Vertical stripes appeared on the screen, what should I do? Stripes on the monitor: possible causes of malfunctions and their elimination

Let's talk about stripes on the monitor screen, what should you do if vertical or horizontal lines suddenly appear on it? Some people advise immediately running to the masters. They say the problem is complex, and any intervention will only make it worse. Moreover, the price of such a service is about 1000 rubles. But why pay!? Let's solve the problem ourselves!

To begin with the reason should be determined streaks appearing on the computer screen.

Alas, but the chance of a software error is MI-NI-MA-LEN. It's a matter of hardware. So check:

A) Are hdmi and other cables connected well? Are they damaged?

I recommend unscrewing everything and blowing it out (even when you are sure that everything is in order). Also make sure that there are no serious deformations on the blue cable (which leads to the monitor). They could very well be the culprit behind the irritating stripes.

B) The video card is damaged due to overheating.

Naturally, you won’t see this visually. There are practically no swellings or other visual signs of damage on it. Indirectly, this can be indicated by a dust-clogged cooling system and Aida temperature readings.

There are two things you can do here:

1. Remove the video card, clean its contacts (especially the part with which it is inserted into the motherboard). It’s extremely rare, but it helps, I’m serious: the chances are slim.

2. check it on another, 100% working computer.

But there may be problems with either of them, the third reason is:

B) Malfunctions motherboard.

Stripes on the monitor screen may be due to this. Whether the voltage jumped, whether there was overheating or a manufacturing defect is not so important. The fact is that this happens everywhere. In addition, if when examining it (there is no need to pull it out of the system unit) swelling of the condensers (such barrels) or their ldquoblackeningrdquo #8212 are visible, then with 90% chance you have found the reason for your misfortune.

Faulty matrix #8212 causes streaks on the screen.

This is sadness. You can't fix it yourself. Unless you run diagnostics #8212, connect the monitor to a laptop or other PC. The stripes remain #8212 Take the monitor to the service center. I’ll also tell you one interesting method.

At your own risk: lightly press (as if you were gently massaging the body) on the monitor that is turned on, preferably in the area of ​​the stripes. Now watch out: if the location of the #8212 bands changes, the reason is in the monitor matrix or HDMI cable.

Stripes on the laptop screen.

Do the lines/ripples change their location when the laptop is opened or closed? Move it back and forth at different speeds. Are you seeing the above? The matrix cable is faulty.

Video card glitches

Spontaneous shutdown computer

Cleaning your computer from dust

I had uneven horizontal stripes when I bought it, it was a mistake on the matrix, probably the previous owners also gave away the LCD for pennies, but the problem was simply not installed drivers #8230 :)

I had this problem 3 times, they just took and soldered the motherboard, then 4 times I took it to a normal technician, he just ordered and replaced the motherboard

What kind of firewood is needed

Firewood for the motherboard? If you name the brand, I’ll try to help with the search =)

So I'm a fool, I moved my cables and let go)

I have horizontal L/C stripes on my monitor, but I tried to put them into the integrated video card of the motherboard, everything is fine. In 3 months, two vidyukhas were covered, so problem#8230 may not be the vidyuhi's fault.

I came across the fact that graphic artifacts were caused by damage to the mat. fees. This cannot be diagnosed remotely. Take it to the SC. There may also be a power supply (or surges) or there is not enough power, as a result, something starts to work crookedly and then fails.

stripes appeared on the LCD monitor, but when you move the cursor they disappear and appear in another place, what should I do?

Is the Lingvo x3 dictionary not worth it? Is the situation similar in Safe Mode?

Does your computer have one video card or 2? Boot from another one, try it.

I have such a problem - when I turn on the computer, squares begin to appear on the screen over time (after 2-5 minutes). I decided to leave the computer like that while the Internet was connected. When I approached them a couple of minutes later, there were a lot of purple stripes all over the screen. The picture was frozen and even the mouse did not work; by the way, there were white square stripes around the mouse.

What can I say, Kirill... Have you updated the firewood? Update, and then drag your car to the service center.

Thank you very much, I was very scared when stripes appeared opposite the text and labels, but the very first point was enough to identify the complexity, the plug that is inserted directly into the monitor came off slightly))

Good) you get such a pleasant feeling when a problem is solved so easily, like: #171weeeeeeeeeeeeeeeeeee#187. well, that's how it is for me)))

And your experience was useful to me! Thank you! I thought the monitor was already #171 covered #187!

stripes appeared after turning off the light for a short time, what should I do?

Sergey, obviously the problem is of a technical nature. There is no UPS, right? Carry to the SC. It's a pity

When loading the computer, several stripes first appear, and when loading the desktop, the screen turns black and everything becomes striped) Is it worth taking it to the service center?

If there are two video devices on board, then switch from discrete to integrated, but in general, yes, to the SC. At the same time, if they offer to purchase components from them #8212, then I would not agree.

I also have a problem, it loads normally, the Internet, the games are all fine, but it’s impossible to play - there are ripples and stripes on the monitor. It’s a long way to take it to the center, but the local master says it’s the motherboard. Is this true?

Your local master has an advantage over me) He could conduct a detailed analysis. I operate only with limited data) Nevertheless, I agree with him. Similar error Most likely caused by damage to the motherboard. If it is not possible to transport the entire system unit, negotiate with the service center to purchase a new motherboard model. If it doesn’t fit, or the reason turns out to be not this #8212, just return the product.

There is a thick stripe in the middle of the screen, everything is fine on the second monitor. I changed the connector and cable.

You can switch from discrete to built-in video card (if you have one), but in general, congratulations #8212 it took off. Or the motherboard. After what did the problem appear? It even appears on the desktop

Good afternoon. The problem is this: when loading into normal mode On the Windows splash screen there are horizontal blue stripes, then a black screen and that’s it. If you upload to safe mode it loads normally and there are no artifacts. Problem with video?

Dmitry, most likely yes. What preceded the problem?

red horizontal stripes appeared in normal mode does not start in safe mode yes

Look at the comment above, you have a similar problem, I assume.

After loading another toy, ripples appeared all over the screen. All functions work.

Ripples everywhere, even on your desktop? Or only in 1 game? You can try to clean all the contacts (including RAM contacts), try to start with one die, if there are several of them#8230but frankly speaking, most likely the video card is screwed up, especially if it is already several years old

When you turn on the monitor, the screen flashes upside down and vertical stripes immediately form. Then, when you move the monitor in different directions, everything becomes normal. It works fine all day, what kind of malfunction could it be, please tell me.

Is the monitor under warranty? Have you followed the recommendations from the article (point 1)? Obviously the problem is with the device itself. But you didn’t even say what it is: LCD, CRT, etc. In general, an accurate diagnosis cannot be made without seeing the patient. Take him to the SC.

I have the same problem, immediately when I turn on the computer there are purple stripes and when I turn on it sometimes takes 5-20 minutes blue screen but almost a reboot, what should I do?

I think cleaning it tomorrow might help.

1. cancel automatic reboot, you need to know #8212 what the error is. Let's start from this already.

2. Cleaning is good, but I doubt it will help

Was there a yellow stripe on the left? cleaned HDMI cable#8212 everything is ok.

I installed the video camera and vertically wide stripes appeared; against a black background they look purple. As soon as Windows loads, they disappear. Can you tell me what could be the reason?

Why did they install a new video card? Is the old one burned out? Have the drivers been installed correctly? Have the old ones been demolished?) Obviously, the problem is with the video card, but once after loading windows problem disappears, then there is no need to worry too much. Error, 90% software.

I was playing a game and suddenly the screen became completely covered in vertical stripes, after restarting the screen does not respond to anything. What could this be?

It's rubbish, Andrey. Nobody can tell you remotely what exactly is out of order: maybe the motherboard, maybe the power supply unit #8230, although wait, do you mean the screen is not responding? That is, Windows loaded, but hung on the desktop?

I have a problem with the LCD screen, 3-5 minutes after loading the PC, the picture starts to shake (from top to bottom), I had the same problem, I contacted a technician, he cleaned the computer, it seemed to go away, a month later the same thing happened again

Vitaly, is this related to what you are doing? Those. Is the toy running, or is the desktop just open? #8212 does the shaking still appear? Pace. did you measure? Looks like the motherboard is coming.

Sometimes it seems that it’s the pace that’s missing, but a little faster and everything would be fine

I meant temperature

Hello. When watching a video or playing a toy, sometimes the laptop makes intermittent sounds and the video or game slows down. My previous laptop was covered in the same way, the screen became striped.

Do you keep your laptop on a soft surface for an hour? How old is the device? Cleaned?

If the device is new, this does not mean that there cannot be dust inside. Or other jambs with a cooling system. Apparently, you still have it under warranty, so I wouldn’t recommend going inside on your own. There is only one conclusion: take it to the service center for diagnostics, I don’t rule out a factory defect, at least twice in a row#8230mmde, and you’re lucky

There is a new video card (well, like new, for about six months) and it worked fine. But at one point horizontal stripes of color began to appear. The computer turns off when working. IN lately It's not possible to turn it on at all. Stripes appear even in BIOS#8217e when loading windows. Sometimes it turns on if you tug on the video card

I imagined you tugging at the video card. Impressed..okay. There are 2 options: either it’s completely gone or there are problems with contact. Shoot. Blow it out. You can test the computer with a discrete video card. But I’m almost sure that I’ll have to fork out for a new device. Which is sad. half a year #8212 this is either a manufacturing defect or hellish conditions. Have you been playing around with overclocking for an hour?

my daughter was playing on the laptop and the screen became vertical, how to install it again horizontal position. I'm craning my neck and sitting as I type)))

Good afternoon, about 2 weeks ago a blue line appeared on my screen. I didn't pay attention to it #8212 I thought it would pass, but today when I played the game it turned bright pink. I turned off the game and it remained on the desktop. What to do please tell me

In the morning I started turning on the laptop, it turned on but the screen did not work, I connected it to the monitor, there were ripples on it, somehow I reinstalled it blindly windows screen it worked, I was not happy for long) vertical white stripes appeared, quite wide, I overloaded it, it worked for about 5 minutes and still the stripes appeared, what is the reason?

With laptops everything is more complicated. (in terms of diagnostics). You did the right thing by connecting it to Monica. Didn't you take your temperature? It seems very likely that the video has been closed or is close to it. Or the motherboard. In any case, be prepared to spend money on repairs.

A transparent stripe appeared at the top of the screen. Noticeable mainly when watching movies. Nevertheless, I think that it is simply invisible, but it is always there and it is not going to go anywhere. It's as if vertical sync is not turned on (the image seems to be torn) only the horizontal bar is turned on.

Greetings. There was a problem: after Windows auto updates 10 white stripes appeared on the screen. They appear immediately after turning on the computer and disappear only when entering the BIOS, and immediately appear again when exiting it. They have a funny property of being erased by moving the mouse across the screen ala an eraser in Paint, but after a couple of seconds they appear again in the same place. When turned on, the videos begin to flicker.

After an unsuccessful attempt to update the drivers, I reinstalled Windows and it helped for half an hour. Before I even had time to really rejoice, after going into sleep mode and exiting it, the stripes returned as if nothing had happened. After that, I rearranged Windows again, several times and different ones all the time #8212 did not help. I downloaded a bunch of drivers and codecs both manually and using different programs, which they themselves find the ones they need and put #8212 did not help. I changed the cable from the monitor and the monitor itself, disassembled the computer itself and blew out everything that was possible #8212 to no avail 0.

I ask for help in the unequal battle against this white plague.

We approached the issue wisely. And everything was explained clearly. Now we go from the opposite:

1. We exclude problems with the monitor itself (you tested)

2. We exclude software errors (we installed different operating systems... I hope not the Tens variety)

3. We also eliminate the possibility of an incorrect connection (the bolts were overtightened, not fully inserted into the connector, etc.)

What's left? Alas, BP is under suspicion, mother, Vidyakh. Problems with the latter are easily diagnosed (if there is a built-in one).

I took a video card from a friend to check, the stripes disappeared. It turned out to be her)

Vidyashki most often get covered up, it’s a pity, of course, but at least you’ve identified the reason) you’re great)

Hello, I have this problem: when you turn on the computer, the entire screen immediately ripples, when you start the BIOS, the screen breaks into green itcher squares and writes strange white characters against this background. After Windows starts, only green vertical stripes appear. If Windows starts, which is not always the case, it starts diagnostics and writes that the computer was started incorrectly. After which it restarts and everything is all over again. I completely disassembled the computer, cleaned everything, but the problem remained. I can’t enter safe mode because the symbols are clumsy. Do I understand correctly that the motherboard died?

Evgeniy, you are right, unfortunately.

With a high degree of probability, it is the motherboard that is causing the problem. You can exclude the video camera (if in addition to the discrete one there is a built-in #8212, just pull out the first one)

Hello! Today the computer worked fine as always, then multi-colored horizontal stripes appeared, I read your advice, checked all the contacts, removed and put back the video card. And lo and behold, the stripes became vertical, I climbed down again, moved the video and they became horizontal again. Help me, what should I do? Please.

One road #8212 carry to the SC. Either the video card is to blame or the slot on the motherboard (the mother itself) is damaged. If everything was cleaned/inserted correctly, then purchasing new components cannot be avoided. It sucks, but what can you do?

Hello! Tell me what exactly could be the matter. After turning off the network on the monitor in mode #171idle #187, i.e. when the Windows greeting goes on or a little over a second while in VLC before opening the video there is a black background, diagonal white stripes run, not very noticeable, then from left to right, then vice versa. On a regular black background (video or image) everything is fine. How long can the iron last after this before it completely fails?

But no, diagonal ones are always on a black background. How long can the iron work in this mode?

It’s really hard to say how long it will last, maybe a year, maybe a month, or maybe it’s some kind of manufacturing defect and in this mode the device will function for another five years. In any case, I would start saving money for a new component (by the way, a reason to take it to SC #8212 to find out what exactly went wrong). To be more specific (it’s impossible without seeing the patient)

Good afternoon. Our family computer has broken down. He is 4.5 years old. 07/21, after downloading the updates, I did not restart the computer, but simply turned it off. At restart The updates have been installed. The computer began to work in normal mode, but during the process white squares suddenly appeared on the screen and the screen went dark. My husband rebooted from the main button. Everything here is cloudy, the sequence of events is forgotten. But in the end the computer reported that the video adapter driver had been reinstalled. And the computer worked without problems until July 25. That day I was looking at the news on VK and when watching the video, white squares SUDDENLY appeared and the screen went blank. (But not the system unit, the valves were turning) I rebooted from the start button. And it began. When loading, a black screen with download options, because... the previous session was ended incorrectly. We vacuumed the system unit (it was time to do it anyway), changed the battery (#171 native #187 already showed 2.6V) cleaned all the contacts with an eraser (well, just in case).

The computer reset the settings because... There was no battery for some time. The beeper beeps once (#171 order#187 #8212 AMI BIOS). I tried to boot, but it began to self-diagnose, but could not auto-recover. showed the details of the problem (barely clear to me). I tried to roll back to the previous state. At 20.07. It didn't help.

Every time you turn on the computer, the following happens: there is no BIOS post, it shows a key combination with their description in its color picture, then jumps to a screen where it says that the previous session was terminated incorrectly and offers to boot in safe mode or in normal mode. In safe mode there are short white bars and the screen resolution is changed to 800x600. In normal mode it doesn't load at all.

tried reinstalling the video card driver. As a result, the video card cooler accelerated to crazy speed and nothing happened. screen - Windows won't load.

We tried a knight's move: we took the disk out of the case and moved it to another one with known working hardware. We tried to boot. There are no white stripes, BUT otherwise everything is the same. Perhaps we have a combination of several problems?

What's the problem? I believe this is not the end.

You described everything in such detail that I really feel obligated to answer as clearly as possible. And help, but alas! It is much better to diagnose this problem in a service center, because as you yourself mentioned, anything can happen. Yes, and I’ll tell you, for example, #171 it’s your fault #187 #8212 are you going to run out and buy a new video adapter because some blogger advised that?) Don’t do that)) I, of course, consider myself a competent specialist, but making a diagnosis in the mode online #8212 is a game of luck. You have to watch it live.

Sometimes when I turn on my PC, horizontal blinking stripes appear. Solved by rebooting the computer. In games and tests everything is fine, only sometimes when turned on. The firewood in the video is the latest. Video card 460 gtx 1 gb. What could it be? The video card is living out its time.

Those. If you DO NOT reboot #8212 will the stripes remain on the desktop and in games?

To be more precise, I did not include games with stripes. When stripes appeared, #8212 rebooted the PC immediately. After rebooting, the PC turned on normally and all tests and games ran fine. The video card temperature reached 65 degrees and did not rise again. I also noticed a strange phenomenon, and only in one game #8212 Stalker, all parts, when starting the game, the game menu #8212 the picture on the screen was not stable, that is, somehow shifted, not centered, and the menu froze #8230by simply collapsing and opening back the games everything became normal. All other games, such as Crisis 3, Metro, work on maximum settings and there are no problems #8230 I’m wrong, maybe the problem is in the drivers, although they were downloaded from the official website, selected for this video card (460 gtx). Previous geforce video card The 7300 gt worked fine, I think maybe the remnants of the old drivers may conflict? Or are the last days of my video #8230 coming?

Sergey, judging by what was described, the problem is of a technical, not software nature. And it’s far from a fact that Vidyakha is to blame. This can happen if there are problems with motherboard. At Nvidia, before installing new drivers, the old ones must be correctly and completely removed; to ease my conscience, if I were you, I would do this.

Hello! My laptop was in excellent condition. But I accidentally deleted the operating system (lol, this happens) After installing a new OS, I had stripes on the screen, and the screen seemed to double, so you can hardly see anything on it and it’s impossible to work #8230 There is none of this in safe mode, everything is fine, the screen has no stripes. Tell me, is there any way I can try to solve this myself?

Can! Laptop #8212 is not a rocket, 90% of problems can be solved without contacting a service center. Have you installed all the drivers? What kind of Windows? Assembly or license?

Maybe you can give me some advice #8230 It’s a bit difficult to describe the problem, but I’ll try:

On a laptop SOMETIMES (for example, in a browser when scrolling a page, with a large number previews) a horizontal multi-colored thin (1 pixel) strip appears across the entire width of the window (NOT THE MONITOR, but the window). Appears periodically as you scroll the page and not necessarily in one place (but more often at the top of the page). Disappears almost immediately. Well, sometimes it can linger for a few fractions of a second. It's hard to say more precisely.

In other cases, the strip was never noticed (watching a video, or just large images).

What about in games? What happened after? Either way, it's almost certain software error. Codecs/drivers, adobe flash player, is the browser itself updated?

Video card MSI NX8800GTS-T2D512E

It has been standing for a long time, everything worked without any problems.

The computer did not work for two months; it was turned off from the network.

The first time I turned it on there were no problems.

The next time I boot, I get stuck #8212 black screen.

Then I booted only in safe mode, vertical blue bars appeared on the screen.

I changed the cable to the monitor, the VGA-DVI adapter rang, updated the firewood, looked for viruses, cleaned the system unit, changed the thermal paste, no visible damage. What can you do about it?

In addition to the 8800 GTS, does the motherboard have an integrated video card? Try booting from it. In general, there is nothing you can do here. Either it or the motherboard is covered. It cannot be diagnosed remotely, bring it from the service center.

A laptop from Toshiba, the laptop is about 6 years old, costs Windows 10, when you start the screen there are stripes, they constantly change color and dots appear, the mouse does not work at that moment, there is a sound of turning on Windows but there is no picture. What could it be?

Bogdan, during this period, has the laptop been disassembled/cleaned at least once? It is very difficult to judge, because... There are few introductory notes. From what we have, I can draw two conclusions: (choose whichever you like best) #8212 software (Win 10 after all) error. or technical (motherboard, video, screen).

Firstly, it is worth saying that stripes may not occur in following cases: if there is a malfunction in the operation of the video card, if the matrix or its cable has failed. Unfortunately, if in your specific case It turns out that the reason will lie directly in the laptop matrix, then it will have to be replaced with a new one. In this case, there are no other solutions to this problem. Repairs should be carried out with the help of specialists at the appropriate service center, and doing this yourself is highly undesirable, since you can damage the new matrix. In order to find out the cause of the problem, you should pay attention to what noise appears on the screen.

How to fix the problem?

If the fault lies in the matrix cable, then you will see multi-colored vertical lines, and if you connect the computer to the monitor using special cable, then these stripes will disappear. A malfunction of the matrix is ​​indicated by the following display parameters: vertical white stripes, the appearance of a black stripe with ripples, and inversion of the image on the screen. In addition, a malfunction of the matrix is ​​indicated by the appearance of black stripes; they are often translucent, and if the netbook takes a certain position, the screen may turn completely black. A malfunction of the video chip is indicated by: interference (artifacts) appearing on the screen in the form of red, blue horizontal lines, or in the form of colored squares, dashes across the entire display, and also if in similar cases the image on an external monitor appears without any distortion, and changing the position of the screen and its bending do not affect the picture.

Black bars may appear on the screen if your device is equipped with two video cards, for example, nvidia optimus, which have automatic switching, and there is no scaling option in the video card settings. Accordingly, the absence of this item and the scaling itself is the reason for the appearance of black bars. If black bars do not appear while working on the computer or playing games, but only appear when you play back a video, then this means that the problem is with your playback device (video player). Also, if black bars occur when loading operating system and while it is running, then you should reset the settings in the BIOS to standard.

Users of personal computers often encounter a black screen while working. It occurs for various reasons, such as hardware problems or problems within some applications.

Instructions

Make sure the video card is installed correctly on the computer's motherboard. Also check whether the monitor is securely connected by checking the connectors on the system unit and the device itself. If the problem is with the video card or monitor, most likely when you turn on the computer you will hear the usual sounds of the system booting, but there will be no image on the display.

Install the latest drivers for your monitor and video card. If they are missing, you may experience a complete lack of image, as well as an overly blurry or dark picture. Also try adjusting your monitor image using function keys located on its front panel. The brightness and contrast settings may be off, causing the image on the monitor to be too dark.

If it occurs when you launch an application, such as a computer game, it may not be suitable for your needs. system requirements at start. Try pressing Windows key or the Ctrl+Alt+Del combination to terminate the program that caused the system to freeze, or click on Reset button located on the system unit.

A black screen can also occur as an acceptable feature of the system in certain cases. For example, while installing drivers for a video adapter, the screen may turn black for a while. The reason for this is the auto-tuning of the system and the installation of the appropriate video parameters. After some time, the image appears on the monitor again. Also some computer games don't have loading screen, as a result of which, after launching them, the user may observe a black screen for several minutes. Then the image appears and the game itself begins.

Please note: WE DO NOT REPAIR MATRIXES or remove stripes on the screen. Such repairs are not worth the cost.

One of the most unpleasant symptoms in terms of the degree of elimination and the cost of repairing a monitor are thin vertical stripes along the entire height of the monitor screen.

In some cases, the cause of the malfunction may be a failure of the computer or laptop video card.

To identify the source of the problem, just connect the monitor to another computer or laptop. If the problem disappears, there is a malfunction in the computer; if it remains, the monitor needs to be repaired.

Often, the appearance of stripes is associated with mechanical impact on the edge of the case (moved, pressed or hit top part monitor), in rare cases colorful stripes appear on their own without any external intervention.

Before answering the question “where did they come from and how to eliminate them,” briefly about the theory of image formation on the monitor matrix:

The image on the screen consists of dots, the glow of which is controlled by so-called “drivers”. It is these microcircuits that give the signal to the required pixel to turn it on or off, as a result of which we can see the picture on the monitor screen. The drivers are located on the LCD matrix itself. Each chip can control pixels on an area of ​​the screen about three centimeters wide. Each vertical line The screen is controlled by the corresponding pin of the driver chip.

The matrix cable, through which information from the driver is transmitted directly to the screen, is glued with a special conductive glue. This is the place that most often becomes weak link in screen operation.

When tracks detach from the matrix driver, we observe the appearance of thin vertical stripes on the monitor screen. Moreover, their number can change when pressing in the upper area of ​​the monitor.

The only reliable and correct solution to the problem of the appearance of thin vertical stripes on the monitor matrix is ​​to replace the LCD panel, which is not always economically feasible. In most cases, the cost of a new monitor matrix is ​​up to 80% of the cost of a new device.

Due to the fact that most service centers do not have technologies that allow removing and installing microcircuits and cables glued with conductive glue, repairing faults of this type are not eliminated.

Despite the complexity of this widespread problem, there are still a couple of possible solutions.

If there are not many thin vertical stripes and they disappear after pressing in the upper area of ​​the monitor case, you can try to disassemble the monitor and gently press it in the upper part above the place where the strip appears. If it disappears, you can place something in this place so that after assembling the housing, the gasket will press the cable against the matrix body with a little force.

Unfortunately this method cannot 100% guarantee the normal performance of the monitor in the future, but with all the options, it deserves to live.

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lcd-service.kiev.ua

A vertical line appears on the monitor

A computer is a technically incredibly complex device in which even a small breakdown of one part or loss of contact with other elements leads to disorganization of the operation of the entire equipment. Often, even a practically new PC refuses to work normally, and a vertical stripe appears on the monitor. Why this happens and how to deal with it is in this article.

Why did a vertical stripe appear on the monitor?

The most common reasons include:

• video card damage;
• poor contact between cables connected to the monitor;
• motherboard malfunction.

What to do if vertical stripes appear on the monitor?

Most common reasons, which causes colored vertical stripes to appear on the monitor, have nothing to do with software, all kinds of viruses and drivers. Most often, the monitor is negatively affected by faulty components of the computer or the whole point is their incorrect interaction with each other. When carrying out diagnostic measures, it is first necessary to exclude incorrect operation video cards. It is necessary to check how it functions, what condition the cooler is in, and whether it is dusty. Based on Aida's temperature readings, you can determine whether overheating has occurred.

All existing dust must be carefully removed and all available connectors must be cleaned. By the way, from time to time cleaning of dust is necessary for the entire system unit, all cables, fans and other elements. It is necessary to eliminate breakdowns of this or that equipment one by one by installing them on another working computer. That is, check the operation of the video card on another PC, then each cable. If knowledge allows, then you can independently replace them with new ones. The appearance of a vertical stripe on the LCD monitor may indicate a malfunction of one of the internal devices, namely the motherboard.

If some of the tracks and connecting elements are blackened, and the resistors are swollen, then no amount of knowledge and skills will help here; you need to change the motherboard. It is also impossible to diagnose it on your own, so you will have to carry the PC to service center. The appearance of a vertical stripe on the monitor can be blamed on a burnt-out driver chip, although this happens quite rarely. In any case, to troubleshoot, it is better to contact a specialist who can accurately determine the cause and give advice for the future on how to handle your PC so that this does not happen again.

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WomanAdvice.ru

Stripes appear on the laptop screen: what to do and how to determine the cause of the problem

The laptop is a one-piece design that combines the system unit and monitor, as well as peripherals. This is convenient from the point of view of the portability of the device, but any malfunction makes it almost impossible to use it. Such malfunctions include a very common problem with laptops - the appearance of stripes on the screen. It becomes almost impossible to work at a computer when there are horizontal or vertical stripes on the output image. The stripes may be black, white or multi-colored, depending on the cause of the malfunction. In this article, we will look at what to do if stripes appear on the laptop screen, and what malfunctions most often lead to the problem in question.

Why stripes appeared on the laptop screen: reasons

Responsible for displaying images on a laptop graphics chip, which can be installed separately on the video card or integrated into CPU. Information from the chip is transmitted through a cable to the screen, and the system as a whole is controlled by the motherboard. As you can see, not many elements are involved in the process of displaying an image on the monitor screen. Based on this, we can conclude that following reasons can cause streaks to appear on the screen:

It is worth noting that it is extremely rare that the problem with the appearance of artifacts and stripes on the screen is associated with drivers. Therefore, the first thing to do if stripes appear on your laptop screen is to download new drivers for key computer components. You can also try to “roll back” Windows if the system was updated shortly before the problem occurred.

How to determine why stripes appear on a laptop screen

Since the symptoms of stripes appearing on a laptop screen are characteristic of a number of malfunctions, in order to fix the problem, you must first determine what led to it. Specialists in service centers can do this using diagnostic equipment, but at home it is quite easy to find out why stripes appear on the laptop screen. Based on the cause of the malfunction, it will be possible to draw a conclusion about the advisability of repairing the computer.

Below we present a series of diagnostic measures that allow you to find out what led to the problem with the appearance of stripes on the screen.

Checking the matrix and cable by pressing

You can make sure that the malfunction is related to a damaged matrix or a problematic cable. in a simple way:

It is worth noting that a malfunction of the matrix or cable also indicates incorrect display colors of laptop screen. For example, when in addition to stripes on the screen, other colors are displayed in black and white.

Testing with an external monitor

A fairly simple test if you have an external monitor that can be connected to your computer via a DVI or HDMI cable. At the same time, this test allows us to exclude the possibility that stripes on the screen occur due to a faulty video card or motherboard.

To carry out diagnostics, connect an external monitor to the laptop via a wire and, based on what you see, draw the appropriate conclusions:

• If the image on the external monitor is correct, that is, there are no stripes or artifacts, this indicates that there are no problems with the laptop’s motherboard and video card;
• If stripes are displayed on the external monitor, it means that the display and cable are working properly, and the problem is with the motherboard or video card.

Checking the matrix loop

If you come to the conclusion that the video card and motherboard are working properly, but the problem is in the cable or matrix, you can perform the following test. Since the cable moves when the lid is opened, it may become pinched, which leads to the appearance of artifacts or stripes on the screen. Look at the image displayed on the display from different angles when the lid is opened. If the stripes change their position or disappear when the lid is tilted at a certain angle, this indicates a problem with the cable.

Checking the video card

It is not difficult to determine that it is the video card that is causing the streaks on the screen. Make sure that the bars appear on the display immediately after you turn on the computer, and not after some time. If they occur after a few minutes of working on the laptop, this indicates that the video card chip is overheating or is malfunctioning.

Also, most often when stripes on the screen occur due to problems with the video card, when loading Windows image completely disappears from the display and a black screen remains for some time.

What to do if your laptop video card is faulty

The first thing you need to do if you suspect problems with your video card is to make sure that the computer does not have cooling problems. In particular, the following actions need to be taken:

When disassembling your computer and replacing thermal paste, pay attention to the chip. If there are obvious traces of carbon deposits on it or the radiator that fits it, this indicates that the device has failed and needs to be replaced. Often, it is not economically feasible to change a laptop's video card.

What to do if your laptop motherboard is faulty

The motherboard is one of the most difficult laptop components to repair. To determine which particular block of the motherboard has failed, you will need to take the laptop to a service center, where it can be checked using diagnostic equipment.

Most often, a board malfunction is associated with oxidation or burnout of elements. Due to the technical manufacturing process of the motherboard, it is almost impossible to repair it if it fails.

What to do if there are problems with the matrix cable on the laptop

The simplest malfunction that can lead to streaks appearing on the laptop screen. If you can establish that the cable is to blame for the problem, you need to disassemble the computer case and inspect the cable for twisting, kinks, breaks or burnouts. Sometimes the cable simply does not clamp properly when opening the cover, which causes artifacts to appear on the screen. In this case, if it is not damaged, it is enough to simply correct its position in the computer case.

However, if the image output cable on the laptop is burnt out, frayed, or has other mechanical damage, it will need to be replaced. On sale you can find cables for almost all modern laptops. If you find suitable model If it doesn’t work, you can contact specialists in the field of radio electronics, who can use a tester to determine which part of the loop is faulty and replace it using MGTF wires.

OkeyGeek.ru

There are streaks on the screen on the laptop, what should I do?

Recently, a lot of complaints have been received about the appearance of various stripes on laptop screens. What is the reason for this phenomenon, how to avoid it, what to do if stripes appear on the laptop screen? You will find answers to all these questions and many others in the article.

Computer and laptop: diagnosing the cause

Many people know that it is easier to determine the cause of a particular breakdown by personal computer than on a laptop. This is directly related to the fact that a laptop is one solid structure, and a computer has individual elements, which can hardly be called a minus. But at the same time, laptops are much more popular because of their compactness. And that's why they break more often. One of the most unpleasant problems Laptop is considered the appearance of stripes on the screen. This is especially unpleasant when you handle your laptop very carefully, but here is such a ridiculous situation. Today we will look at all the ways to solve this problem and figure out what to do if there are stripes on the screen on your laptop.

How it all begins

Most often, one small strip of some color appears on the laptop screen. The owner of the laptop does not pay attention to this, but this cannot be left to chance. In the first days, a maximum of three stripes (green, red or blue) appear on the screen, but within a week the horizontal or vertical stripes begin to “multiply” very actively. And only then does the user realize that something is wrong. Some people manage to fix this for a few minutes by pressing on the laptop screen matrix (exactly where the stripes were). After a couple of minutes, the problem returns, and there are simply no options to solve it.

Reasons

Vertical or horizontal stripes on a laptop screen can appear for several reasons, which will be discussed below. The reasons are as follows:

• failure of the video card of a personal computer (in certain cases you can repair the element or replace it completely);
• damage to the motherboard (most often due to overheating);
• failure of the laptop matrix (you will have to make a complete replacement);
• various damages (poor contact, breakage and other problems with the cable).

Breaking laptop components can always be repaired, both with your own hands and with the help of various companies engaged in such activities as laptop repair.

Diagnostics

1. We connect some external monitor to our laptop to check whether the video card is to blame for the appearance of stripes, and whether everything is normal with it. If the image on the connected monitor matches what is on the laptop screen, the problem is probably not with the video card. If there are no problems on the second screen, but the situation is the same on the laptop, everything is fine with the video card, the problem is something else.
2. If the first situation did not suit you and you have not identified the problem, we can move on to check number two. You need to test the matrix for pressure or bending. If, when you click on a specific place where, for example, a white stripe appeared on the laptop screen, the image changes slightly, most likely the problem is in the matrix or a cable directly connected to the PC screen.
3. Does the image change when closing/opening the laptop? The problem lies in the cable (poor contact or broken tracks).

Matrix cable

If multi-colored stripes appear on the laptop screen, most likely the problem is in the laptop matrix cable. It is important to note that the stripes do not affect the operation of the computer itself, they are just a little annoying. There is only one way to get rid of them - by replacing the cable. It is almost impossible to do this on your own (there is a high probability that you will only make things worse), so it is better to turn to professionals who will do everything for you. top level. Repairing laptops is not the best activity for non-professionals. In this case, you can ruin not only your laptop, but also your nerves, and also lose a lot of time.

Check everything again. When you tilt your laptop screen, stripes should appear on a different part of the screen. If this happens, then the problem is definitely in the PC matrix cable.

Multi-colored stripes on a laptop display

What should you do if vertical stripes appear all over the screen? You will now find out the answer to this question. Often the stripes are red and blue, and over time they become much larger (increasing in width and length). Multi-colored stripes on the screen are ways to change your color to another - white. If you are not sure what the problem is, it is better to carry out self-diagnosis, which is described in detail a little higher. If when connecting external monitor stripes also appear on it, the problem is with the video card. Laptop models are divided into two types: those in which the video adapter is installed in the motherboard, as well as those in which the video chip is a separate module of the personal computer.

In most cases, only replacing the video card can help solve this problem, but it is better to contact specialists so they can try to fix it. It will cost several times less.

Monitor ripples

Ripples of one color or another across the laptop display prove that the problem is really in the cable. But in order to be completely sure of this, it will be necessary to carry out diagnostics again. If everything is fine on the external monitor, the problem definitely lies in a malfunction of the cable or the matrix of the personal computer. You should contact a repair professional to replace the necessary parts to keep your laptop running.

You can often encounter a problem when a person recently picked up his laptop from a repair shop, where he took it to have the technicians fix the cable or matrix, but after a while the monitor started charging again.

This, in turn, is due to poor-quality contact between the motherboard and the video adapter of your laptop. In such a situation, you should re-bowl the chip or completely or partially replace the motherboard (you need to consult about this with the technician you are asking for help). Do you have a line on your laptop screen? What to do if you don't know? Nothing helps? Continue reading the article - you will definitely find the reason for the appearance of stripes on the monitor and be able to solve this problem!

Multicolored lines

The appearance of lines that move chaotically across the monitor and constantly change their colors proves the fact that the problem is a broken cable. This problem was already discussed a little higher, however, as you understand, this such a common problem already has many “modifications”. In what cases does the problem lie in the matrix cable?

1. You turned off your laptop, there were no stripes, and the next morning you turned it on again, but stripes had already appeared. This is a sign of a problem with the matrix or cable.
2. The monitor not only flickers and changes colors, but also becomes negative (the image on the screen is sometimes shown in negative). This is already the extreme stage of a breakdown of the personal computer cable or its matrix.
3. The image is only on one half of the screen, while the other is simply empty. Matrix problem worth solving before complete shutdown monitor.
4. A non-working laptop backlight indicates that the matrix module - the inverter - needs to be replaced in the near future.

Single system violation

If stripes appear on the screen on the laptop, this may not mean that there really is a problem as such. It may be a single malfunction. People who are sure that their laptop is broken (something with the matrix or video card) often turn to specialists because, for example, a black line appears on the laptop screen. But this in no way proves the need urgent repairs. There were situations when a small blue stripe appeared on the screen (it was not smooth, but moved chaotically). This “thing” was on the screen for about a week, but no one paid attention to it. At first it seemed that the stripe was getting larger, but after five days it became clear that it was not increasing either in length or width. After two days the strip disappeared and never appeared again.

It is because of this that it is better to wait a week or two to make sure that this is really a problem, rather than paying money to technicians who will fix the laptop in a day, and in another month it will “break down” again. But if the problem is not solved, then you can go to the technical center, where you will find the right technician.

PC Drivers

There are often situations when various stripes of different colors and sizes appear on the laptop screen. Many people immediately go to the service center to have the laptop repaired by technicians. But is this always correct?

Often the cause of stripes appearing on the monitor of your personal computer (laptop) is incorrect installed drivers or their absence at all. Also the source of the problem may be articles outdated version software. Everything here is quite clear: you need to reinstall the drivers. It is necessary to select a version in which the problem on the screen will disappear. How to do this? Only at random. Please note: you need to download drivers for your laptop from the official website of the manufacturer of your model. You can also install them using various programs, but it’s better not to take risks and do everything according to the rules.

Sometimes the laptop comes with a disk with all the necessary drivers. If you have one, of course you can use it, but remember that the content on it is not updated. But it’s worth a try, because the problem may simply be a malfunction of the laptop drivers. If you have already tried all the updates, most likely the problem is in other components of the device.

Let's sum it up

If strange stripes appear on your personal computer, you don’t have to immediately run to the specialists. You can try to find out on your own the cause of what happened, which is quite possible to eliminate on your own.

The cause of the breakdown can be both problems with the video card and the matrix cable. In certain situations it will have to be replaced, but someone is lucky - it’s enough to just fix it. Drivers often become a problem for the appearance of various stripes on the laptop screen. Update the software to latest version, and if this does not help, contact specialists. Or, try to independently diagnose your PC, which is described a little higher.

What to do if stripes appear on the screen on your laptop? What are the reasons for what happened? Most likely, you have already found answers to these questions, but if this still does not happen, you should immediately contact specialists. They will examine your laptop individually, be able to pinpoint the exact cause and indicate the time needed for repairs. And you will be convinced that the cause of the breakdown was still before your eyes, just in a more open form. Are there streaks on the screen on your laptop? This is no longer a problem!

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Stripes on the laptop screen - what is the reason and what to do?

It's a shame when the laptop was working fine, and suddenly at one not-so-great moment it started to malfunction. One of the problems is the appearance of stripes on the screen. But you shouldn’t panic right away; you need to try to figure out the cause of the malfunction.

Possible reasons for streaks on the screen

Different stripes may appear on the screen:

• Horizontal stripes in the middle of the display;
• Vertical colored lines across the entire screen;
• Ripple;
• Half of the image is missing;
• Poor image, blurry and unclear;
• White vertical stripe in the middle;
• Only a small part of the display works.

There are many more characteristic signs, now let’s look at what could be the reasons for a faulty screen:

• There are breaks in the cable, the contact periodically comes off;
• Problems with the video card;
• Fault in the motherboard;
• Dead pixels on the display.

Broken laptop monitor cable

It is not so rare for cables (video cables) of a laptop matrix to fray. There is nothing strange about this - the display mechanism is a moving part, it constantly opens and closes. In addition, the portable PC is often moved and shaken. The reason for chafing of the cable may be its incorrect installation - if the cable is connected a little crookedly. Poor contact of the cable becomes apparent almost immediately after the defect appears - as soon as you turn the housing with the matrix at a different angle, the image on the screen either becomes worse or the defect disappears.

You can replace the cable yourself, but disassembly and reassembly must be done with extreme care. The replacement principle is the same on many laptops, so let’s consider general example:

• Turn off the power and remove the battery. We wait a few minutes for the device to be freed from electric charges;
• Open the lid and remove the plugs from the matrix frame. There are screws hidden under the plugs, unscrew them;
• Carefully remove the monitor frame;

• We unscrew all the screws securing the matrix and remove the screen. You need to keep in mind that there are screws on the side;

• The matrix cable is located on the back side of the screen. Carefully pull off the connector and disconnect the matrix from the cable;
• To get to the other end of the video cable, you will have to remove the top cover of the laptop itself. On some models you have to remove the keyboard first;

• We disconnect the connector from the motherboard, install a new cable, and put everything back together.

Faulty matrix

If you suspect the matrix, you need to make sure it is faulty. Checking the display is very simple - you need to connect an external monitor to the laptop. Many laptop PCs have such a connector, but it may be located in different places- it all depends on specific model computer device.

If, when connecting an external monitor, the image on the screen is normal, then the reason is most likely in the matrix itself. Changing it is even easier than the cable - you will not need to disconnect the cable from the motherboard.

Signs of a faulty matrix:

• The colors on the display are inverted - light tones become dark and vice versa;
• One half of the screen displays the picture normally, the other is all white;
• Vertical stripes, appear immediately after starting the laptop.

You can also check the matrix for bending or torsion. When the monitor is turned on, we begin to gently bend or twist it with our hands. If the image changes (strips or artifacts disappear or appear), then there is a high probability that the matrix is ​​faulty and needs to be replaced. By the way, in this case the cable may also be to blame. You should pay attention at what bending of the display the picture on the screen begins to change.

Problems with the video card

There are two main problems with the video card on a laptop:

• Overheating may cause the video chip to become unsoldered (lose contact with the motherboard);
• The video card itself will burn out.

Malfunctions in the video card are characterized by the appearance of multi-colored stripes on the screen not immediately after starting the PC, but while loading the operating system. If the video chip is faulty, the motherboard at its location may become very hot.

You can diagnose a video card by heating it. The chip is warmed up soldering station up to a temperature of 400ºC. If after this procedure the image returns to normal, the problem is with the video card. It should be noted that the image will not be restored for long - you need to prepare to replace the chip.

If the video chip is unsoldered, it is still better to replace it. Soldering a video chip in workshops is not cheap, but whether it will work is still unknown. There is no point in repairing an old laptop with such a defect; it is better to buy a new laptop PC. Replacing a video card will cost around 2000-3000 thousand UAH, including the cost of the part.

Motherboard problems

The motherboard can also fail due to overheating. Often the board overheats precisely in the area where the video card is located. It should also be taken into account that often “motherboards” on “laptops” are integrated, that is, in them the video card is an almost integral component of the entire main board in the laptop. If the integrated motherboard malfunctions old laptop It’s also easier to replace the whole thing, and repairing laptops in Kyiv now will be very expensive.

Display backlight

There is another option bad image– the screen is almost dark, the picture is almost impossible to see. That is, the display works, but the backlight does not illuminate the monitor. You can check what's wrong quite easily without disassembling the computer. The button to turn the monitor backlight on and off is usually located closer to the display, on the front panel of the device next to the keyboard. If the button is not there, it is most likely stuck. Also, the button may simply break, and if it gets stuck pressed, the screen will not light up. Often the backlight switch is hidden in the hinge of the display lid's rotating mechanism. In this case, you have to partially disassemble the laptop to identify the defect.

In the worst case scenario, you will most likely need complete replacement laptop matrices.

NotebookCenter.com.ua

The appearance of stripes on the monitor screen is a fairly common phenomenon. Sometimes they indicate incorrect image settings, more often - a device malfunction.

Stripes on the monitor can have different colors, intensity, width and direction. The image in these areas of the screen may appear double, blurry, or completely absent. Black, white, or colored stripes may appear at the top, bottom, edges, or other parts of the monitor screen. As a rule, they appear immediately after turning on the PC, but they can also appear during operation. It is not uncommon to see flickering stripes on the monitor. Each of these cases is a consequence of significant problems in the operation of the device.

Why did streaks appear on the monitor?

Based on the number of options for the arrangement of stripes on the monitor screen, the reasons for their appearance can be completely different. Often, so-called image artifacts in the form of longitudinal and transverse stripes can be caused by malfunctions of the video card or motherboard. In some cases, the issue is a malfunction of the monitor itself.

Wide black stripes at the bottom and top of the monitor screen or along its edges, usually appear as a result incorrect setting aspect ratio of the image.

If appears on the monitor wide vertical or horizontal stripe gray or colored tint, this may indicate damage to the matrix or the cable connecting it to the control board. Stripes can also occur as a result of mechanical impact on the matrix, for example, during careless transportation or strong pressure on the screen.

Thin vertical stripes appear on the monitor screen due to detachment of the matrix driver tracks or its direct failure.

Also, the cause of the appearance of stripes may be a damaged video signal cable connecting the monitor to the video card, or poor contact on the connectors.

What to do if stripes appear on the monitor?

You can remove stripes from the screen yourself only in certain simple cases. For example, using the settings of the monitor itself or the video card driver. But in most cases more complex cases It is better to seek the help of a specialist, especially if the matrix or control board components are faulty.

The appearance of a vertical stripe on the monitor is a common problem. It can be provoked by various reasons, which can be detected by carrying out some manipulations. It is worth taking into account the color of the stripe, which can be black, white or colored.

Why do vertical stripes appear on the monitor screen?

To obtain images on the display, you need a graphics chip, which is placed separately on the video card or integrated into the central processor. Information from it is transmitted through a cable to the screen, and the system is controlled by the motherboard. Based on this, we can identify the reasons why vertical stripes appear on the monitor:

1. It is rare that the problem is a faulty motherboard, since this part is virtually immune to damage. The board fails more often due to existing defects, after short circuits, power surges and other problems. In addition, it is worth noting that when a motherboard breaks down, only stripes rarely appear, since other failures are also observed.
2. If vertical stripes appear on the monitor, then often the reason lies in the video card, the failure of which is associated with degradation of the chip crystal due to overheating.
3. To transmit images in laptops, a cable or cable is used, connected to the motherboard and to the display. If this part is pinched or damaged, streaks appear on the monitor.
4. The most common reason concerns matrix malfunctions. It is worth considering that the screen on a laptop is very fragile and if you close the device carelessly, you can damage the matrix.
5. It is rare, but it is possible for stripes to appear on the monitor due to drivers, so the first thing you need to do when stripes occur is to reinstall the driver.

Vertical pink stripe on monitor

In most cases, multi-colored stripes on the screen are associated with a broken monitor matrix. This can happen as a result of failures in the power supply system, falls, shocks and other similar impacts or wear of parts. If a vertical stripe appears on the monitor that is colored pink or purple, then this more often than usual indicates a malfunction of the scaler. The appearance of such a defect can also be observed on new monitors, but it’s all due to a manufacturing defect.

Vertical white line on monitor

White, like any other stripe color, more often indicates problems with the matrix. If, with slight pressure or other influences on this part, the interference disappears and appears again, this indicates the need to replace the part, since it has already failed. When vertical stripes appear on your computer monitor screen that are barely noticeable and flicker, then it may be due to a faulty VGA cable or surge protector, powering the monitor.

Vertical blue stripes on the monitor

Many users, after playing for a long time, when the equipment overheats or the video card is worn out, notice that vertical stripes appear on the monitor screen blue. In this case, if the warranty remains, the video card should be replaced. There is another reason why vertical blue or cyan stripes appeared - possible damage to one of the contacts of the matrix cable or peeling of the video processor solder balls from the BGA substrate due to overheating.

Yellow vertical stripe on the monitor

To determine the cause of the failure, you need to carry out some manipulations. If a vertical line appears on the LCD monitor, then disconnect it from system unit and connect to the network. If the bar disappears, there is a problem with the video card, so you need to check the cooling system and install new drivers. If the stripes remain, then the defect is most likely related to the display. When a vertical stripe of yellow or another shade appears on the monitor, you should look to see if there are swollen capacitors on the video card and replace them.

Vertical red stripe on the monitor screen

There are users who complain that distortions appear on the screen periodically. If you are wondering why vertical red stripes appear on the monitor, then you should know that it is often due to poor contact of the matrix cable. Rarely, the problem can be caused by combustion of elements. Sites rectangular shape consisting of vertical stripes is a signal of dust or damage to the cable connectors. Other reasons: a track on the control board has become detached or the video controller cable or VGA wire has been damaged.

Black vertical stripe on the monitor

According to reviews, black stripes are sometimes visible on the screen, which may be located in different sides and even in the center. A thin vertical stripe on the monitor occurs if there is a malfunction or breakdown in the operation of the video card, matrix or its cable. If, nevertheless, it was determined that the whole issue is a malfunction in the operation of the matrix, then it will not be possible to correct the problem and the only solution is to replace the part.

Vertical stripes appear on the monitor - what should I do?

Actions when stripes are detected will be directly related to the reason that triggered the failure:

1. First, let's look at how to remove the vertical stripe on the monitor if the video card is faulty. First check the quality of the cooling system, for example, start special program, which determines the temperature. Disassemble the computer and remove any accumulated dust and change the thermal paste. For laptops, use a stand with additional fans.
2. If the problem appears due to a faulty motherboard or cable, then it is better not to experiment and not try to fix the problem yourself, so as not to aggravate the situation, so take the monitor or computer to a service center for diagnostics.