how to fix a dim lcd display in stock

Liquid-Crystal Displays, or LCDs, provide outstanding quality and unparalleled clarity in visual media. LCD displays come in many forms, from television sets to smartphones, having set a golden standard for entertainment and visual technology. These displays operate with common parts and often are simple to repair if they begin to dim.

Exercise caution when determining how and even if you should repair a faint LCD screen. Some screens lend themselves more easily to repair than others, while you should not attempt to repair others at all. You should handle old screens, such as classic cellphones or any older or legacy LCD screens, with great care. Consider asking a professional to help you with repairs, as you could inflict permanent damage to these items. Carelessness and ignorance can also permanently damage modern screens as well. If your screen remains under a warranty, don"t void it by opening the device. Contact your manufacturer and have the company repair it for you.

A common culprit for a dim LCD screen lies in a malfunctioning fluorescent backlight, known as a CCFL failure. Every LCD varies in construction and size, so consult your manufacturer"s documentation on how to remove any outer casing and, if necessary, the screen itself, when working with a laptop or computer monitor. Other components, such as a copper ground or an LCD controller board, may obstruct your path. Take careful note of these items and their proper locations, then gently move them out of the way until you can access the CCFL bulb. The bulb may rest in its own slot, depending on the type of screen you"re working with. On either end, gently remove the rubber caps from the old bulb and place them on the new bulb. A power cable should attach at one end and may require you to solder it in place. When complete, carefully replace the CCFL and all other components within the display module, then test your LCD display module. It should return to its former brightness.

If a new bulb did not correct the problem, other hardware issues can cause the screen to dim. Take your display module apart once again and examine the power cord that attaches to the CCFL to ensure it attaches properly. It should make contact with metal or a lead on the bulb itself and should not attach to the rubber caps which will prevent or dampen the flow of electricity to the bulb. If this does not correct your problem, instead examine your LCD"s power supply. When dealing with a TV or stand-alone monitor, this becomes vitally important. You may need only to replace a cord that plugs into an outlet. If more severe, an entire power board inside an LCD TV may require replacement. If your device no longer remains under warranty, refer to your manufacturer"s documentation for more information.

Other components can contribute to a faint display on an LCD screen, including faulty capacitors, transistors and inverters. With proper electrical equipment, such as an voltmeter, you can measure the flow of electric current through some of these components to determine proper operation. While it is possible to replace these components if you possess adequate experience, you can also permanently damage your LCD device if you make a mistake. Consider a repair shop if you do not have professional training.

Amanda Holden has more than 17 years of professional writing experience. She is trained in computer programming and computer repair, and currently holds a Bachelor of Science in physics and geology with a minor in computer science. She is pursuing her PhD at a major university. Holden writes for various websites on subjects such as computer science, technical specifications, education, science and math.

LCDs can be found in various devices, ranging from televisions to smartphones; they have become the industry standard for both kinds of recreation and visual technology.

These displays use standard components and are typically not difficult to fix if they start to lose their brightness. Therefore, I will discuss How to Fix a Dim LCD Display here in this article.

A screen is considered defective if it does not function as it should or does not function at all, and there are no apparent symptoms of physical harm to the screen.

The “white” LEDs utilized in LCDs will gradually lose their brightness as time passes. However, the lifetime of blue LEDs has always been a significant obstacle that has held the technology back. It is because blue LEDs dim more quickly than red and green LEDs.

The brightness of LED displays can dim for several reasons, including premature aging, faulty internal components such as a capacitor or LED arrays, or the more typical issue of loose wiring. The presence of high-load devices on the circuit might also contribute to the dimming of LED lights.

You can alter the brightness of your LCD screen with the Fn key combination on your keyboard if you are running your system off of the battery power and you find that the screen is too dim.

By default, portable LCDs have their brightness set to their maximum level when powered by AC power, but this level is reduced to less than half when powered by batteries. When powered by the battery, the ALS is typically disabled.

The LCD can be automatically dimmed and brightened by the Ambient Light Sensors, which are sensors that measure the amount of usable light in the workspace and adjust the display’s brightness in response to the amount of light that the system is experiencing.

The dashboard lights of the vast majority of modern autos can be brightened or dimmed using comparable controls. Complaints concerning ambient light sensors on LCDs can, in most cases, be traced back to the light source intensity rapidly changing, and the LCD is attempting to cope with the variations.

The following are some suggestions that you can use to assist remedy issues with the working of the ambient light sensor that causes the LCD to flicker or get dull.

On a day when the sky is partly cloudy, if the system is positioned next to a window, covering the curtains or blinds should solve any problems created by the shifting cloud cover.

You can modify the brightness of your LCD screen with the Fn key combination on your keyboard if you are running your system off of the battery power and you find that the screen is too dim.

By default, portable LCDs have their brightness set to their maximum level when powered by AC power, but this level is reduced to less than half when powered by batteries. When powered by the battery, the ALS is typically disabled.

If you cannot maintain control over the shifting light conditions, you may need to deactivate the Ambient Light Sensor (Working outdoors, etc.) This capability, known as ALS enabled/Disabled, is managed in the BIOS of most portable computer systems.

You can enable or disable the ALS sensor using the on-screen display controls of a desktop LCD equipped with the feature. The ALS is not always visible on the bezel surrounding the monitor on a desktop LCD.

When dealing with a computer or laptop display, you should consult the paperwork provided by the manufacturer for instructions on how to remove any outer shell and, if required, the screen itself.

The LCD controller board or a copper ground could get in your way if you’re not careful. Follow the steps outlined below to understand How to Fix a Dim LCD Display?

You may establish whether or not some of these parts are operating correctly by measuring the amount of electric current flowing through them using the appropriate electrical devices, such as a voltmeter.

Even though it is easy to replace these parts if you have sufficient skill, you run the risk of irreparably damaging your LCD if you make an error while doing so. If you do not have the appropriate professional training, you might consider going to a repair shop.

It should maintain contact with metals or a lead on the bulb itself, and it should not connect to the rubber caps, as this will either obstruct or slow down the passage of power to the bulb.

You should check the power supply of your LCD if this doesn’t fix your problem. When working with a television or a stand-alone monitor, this becomes of the utmost importance.

All that needs fixing may be the cord that connects to the outlet. If the problem is more severe, the power board within an LCD TV may need to be replaced.

When considering whether or not to fix a flat LCD screen, it is in your best interest to proceed with extreme caution. Improving specific displays is more accessible than others, while you should not attempt others.

A professional should do repairs because you could permanently harm these products if you do them yourself. For the same reasons, newer screens can be ruined irreparably by simple carelessness and ignorance.

LCD, LED, plasma, and 4K TVs all have prices ranging from $60 to $350 on average. Repairs for common issues include replacing the screen and the bulb and the backlight, HDMI port, and motherboard, respectively.

LCD screen screens have an expected lifespan ranging from 30,000 to 60,000 hours on average. Because powerful lamps produce the images on LCD screens, some wear will be visible over time.

You can change the brightness with the Fn Key keystrokes if the system runs on battery power and the LCD is too dim. Standard settings for battery-operated portable LCDs are half the brightness of their AC counterparts. Batteries typically inhibit ALS.

This advancement in LED technology has resulted in better quality and lower costs in recent years. LED requires a more significant initial outlay, but it has a much longer expected useful life of roughly 100,000 hours. LCD is less expensive and more widely accepted. About 50,000 hours of use is the average life expectancy of an LCD screen.

Lumen deterioration will cause LED bulbs to progressively dimmer over time until they quit working entirely. The L70 rating of most LEDs indicates how many hours the bulb will endure before it loses 70% of its initial light output. LEDs with an L70 rating will last longer.

A gradual decrease in brightness is a common problem with LCDs; in such cases, LCDs become dim. However, this usually occurs over a long period, not a matter of weeks or months.

If the display on your LCD is too dim, you may do a few things, but implementing ambient light sensors will give you the best results. Any of the approaches mentioned above can be used to resolvea Dim LCD Display.

I have researched this problem and found that it does indeed indicate that some hardware components may be bad. The following solution seems to be effective in most cases, but it requires very fine soldering skills:

They sell the components mentioned as a kit on their website which consists of the coil, an "IC" (really this is just a diode), and 3 "filters" (capacitors). They have an excruciatingly detailed video showing how to change these parts, but the right soldering equipment is essential. They also list this kit on Ebay - search for "iPhone 5 backlight coil".

In my case the ribbon was half detached. I took the pen solder bold and set it to 180 °C and slowly moved several times with medium pressure along the ribbon and pressed it onto the plate. I had to repeat this procedure 3-4 times until all pixels were working again.1

I investigated my landline phone to repare its LCD according to this good tutorial, unfortunatly I found the cutted connection is not on the main PCB board but on the flat connector itself... and any heat applied (soldering tentative...) to the flat is going do destroid it completly ((

Instead of hot-air gun use hot melt adhesive (https://en.wikipedia.org/wiki/Hot-melt_adhesive) gun. Just use its hot spike, and you will be able to point precisely to the place you need a heat.0

I had a Natwest Card reader, where the screen was illegible and using this tip with my wife"s hairdryer I got the card reader operational, many thanks !!!0

Unfortunately, after two days the display started to lose some segments. What would other people recommend? Is this expected and should I have done something else other than heating and rubbing with an eraser?

Many thanks for sharing the information on how to fix these displays! Worked out perfectly on a asus lcd poster from ages back which gave no screen at all and are not sold anymore to replace.ReplyUpvote

Very good interesting piece. I am no way shape or form of an electronics junkie , but i am more like a jack of all trades and a master of none type. I have a dual power TS-100 hand held calculator where the second digit was pixelated I would say. I googled how to repair it and seen your story. I took my calculator apart and the back side is where that glue strip is at. I could not find my heat gun, thanks to having to move it for the Christmas tree setup. I used my Kitchen Propane stove front burner and waived it over it a few times. It took a few tries but I finally was able to get the dead pixel back. One good thing is the calculator was on so in between heat ups and eraser rubbings I could see my progress and man your fix really worked. Thanks fro the story. My favorite pocket calculator is fixed once again. I wish I would have taken before and after photos, but was too giddy to try your repair idea.0

Google offers no link as to how to open an AEG Voxtel D235 handset. After opening the battery compartment and removing batteries and the two Philips screws at the bottom, the upper half refuses to budge. Is there a method for opening the upper part, to access the LCD screen connector for repair? Any suggestions appreciated.0

This made me squeal when it worked! I fixed an old treadmill computer from a machine I bought second-hand. There was a broken connection on the breadboard so I dunno if that work but we"ll see! I didn"t have a heat gun, blow dryer or clothes iron to use, but I made it work with the end of my hot glue gun. Thanks, God bless!

I just got my CM921 to work - so, carefully unplug or remove the lcd unit from the circuit board (8 pins i think) then separate the white board (same size as the lcd) from the back of the lcd display (it was glued on one side and i used a scalpel) the lcd will then flip over and you can see the ribbon, then follow the instructions above, return the lcd back down on top of the little white board as before and plug it back in...0

There may be a thin conductive rubber strip between the glass of the display & the board it is attached to. Over time this rubber can leak an insulating compound onto the interface connection that can, at times, be removed by removing the strip and gently rubbing it with a clean soft eraser. Be gentle as it can be fragile & easily damaged. This was an effective repair in the early days of these displays.0

Many Apple products use liquid crystal displays (LCD). LCD technology uses rows and columns of addressable points (pixels) that render text and images on the screen. Each pixel has three separate subpixels—red, green and blue—that allow an image to render in full color. Each subpixel has a corresponding transistor responsible for turning that subpixel on and off.

Depending on the display size, there can be thousands or millions of subpixels on the LCD panel. For example, the LCD panel used in the iMac (Retina 5K, 27-inch, 2019) has a display resolution of 5120 x 2880, which means there are over 14.7 million pixels. Each pixel is made up of a red, a green, and a blue subpixel, resulting in over 44 million individual picture elements on the 27-inch display. Occasionally, a transistor may not work perfectly, which results in the affected subpixel remaining off (dark) or on (bright). With the millions of subpixels on a display, it is possible to have a low number of such transistors on an LCD. In some cases a small piece of dust or other foreign material may appear to be a pixel anomaly. Apple strives to use the highest quality LCD panels in its products, however pixel anomalies can occur in a small percentage of panels.

In many cases pixel anomalies are caused by a piece of foreign material that is trapped somewhere in the display or on the front surface of the glass panel. Foreign material is typically irregular in shape and is usually most noticeable when viewed against a white background. Foreign material that is on the front surface of the glass panel can be easily removed using a lint free cloth. Foreign material that is trapped within the screen must be removed by an Apple Authorized Service Provider or Apple Retail Store.

If you are concerned about pixel anomalies on your display, take your Apple product in for closer examination at an Apple Store, Apple Authorized Service Provider, or an Independent Repair Provider. There may be a charge for the evaluation. Genuine Apple parts are also available for out-of-warranty repairs through Self Service Repair.*

If the picture responds to input but displays a messy image, such as jumbled multicolored squares, the AV (audio visual) board may be damaged. This is usually a rectangular circuit board located near the audio and visual cables. Replace obviously damaged parts using a soldering iron, or order a replacement board and carefully install it to the same screws and ribbon cables.

The main control buttons may be faulty. Clean them with a metal cleaner, or jostle to attach a loose connection. If necessary, locate the circuit board they are attached to and re-solder any broken connections.

Check input cables for damage, or try other cables of the same type. If necessary, inspect the circuit board they are attached to and re-solder damaged connections.

After a long, hard day, you finally sit down to catch up on your favorite show. But when you hit the power button on your remote control, your TV screen stays black! You try pressing the remote’s power button again and again from every angle, but still, your TV has no picture. If this sounds familiar, you’ve likely fallen victim to one or more TV screen issues.

What causes a TV screen to go black? Software issues, loose connections, or backlight problems are usually behind black TV screens. Learn about each of these causes and get tips for troubleshooting them so you can get back to relaxing with your favorite TV shows, movies, and video games.

If your TV screen is black and there’s no sound, you’ll want to check for an LED light or a small indicator light that tells you the TV has power. If there is no power to the TV while it is plugged in, there may be an issue with the outlet or fuse box in your home. However, if the TV is on but the screen is black, the problem could lie with your TV’s software.

Unplug the TV from the wall, and, if possible, remove the power cord from the back of the TV to perform a soft reset. Wait 30 seconds, and plug the TV back into a working outlet to test it again. If you’re still having screen issues, you might want to bring in an expert — they’ll know how to fix your TV’s black screen.

If your TV screen goes black but the sound still works, the first thing to check is the input source to ensure it is turned on and operating correctly. This includes external devices like cable boxes, video game consoles, laptops, and streaming devices. Once you’re sure the input source is working properly and you have the right input settings, check the cable connections. In many instances where the TV screen is black but the audio works, poor cable connections could be the issue.

Whether you’re working with an HDMI cable, RCA (usually yellow, white, and red cables) set up, or another type of connection, you need to ensure the cables are seated properly and firmly into their connection ports. With a good connection, the cable shouldn’t feel loose or easily disconnect when pulled on or moved around. If all your cables have a snug fit but the problem persists, try connecting the device to another TV. If your TV screen is still blacked out, you may need new cables.

Some TV displays, such as LCD screens, use a backlight to illuminate the picture. If the backlight burns out or stops working, it will result in a blank TV screen.

To check your TV’s backlight, make sure your TV is on. Then, turn off the lights in the room and shine a flashlight on the screen. If you can see a picture with the flashlight, then your TV’s backlight is likely burnt out.

While you might be eager to learn how to fix a black-screen TV, a broken backlight does not come with an easy solution. The backlight will need to be replaced, and it’s best to get help from a professional with this task.

If repair costs are outside your budget or not worth it considering the age and condition of your TV, you may want to consider upgrading to a new smart TV. When you purchase a new TV from your local Rent-A-Center, you’ll enjoy free product service and repairs for the life of your agreement as part of our Worry-Free Guarantee.

You’ve run all the tests, checked all the ports, and ensured your TV has power, but your TV screen is still black! There could be a more complicated (and expensive) issue, so it might be time to ditch your old TV for an upgrade.

Rent-A-Center makes it easy to own a new TV, like an LG 65″ 4K UHD Smart TV. From OLED to QLED, we’ve got ultra high-definition TVs with picture quality so crisp, you’ll wonder why you didn’t upgrade sooner. Avoid the headache of your old TV, and shop your favorite TV brands online today. You can even get same-day delivery on qualifying purchases in select areas!

Dell offers a Premium Panel Exchange that ensures zero "bright pixel" defects on Dell Consumer, Professional, UltraSharp, and Gaming including Alienware monitors.

Defective pixels do not necessarily impair the performance of the monitor. However, they can be distracting, especially if the pixels are in positions where viewing quality is reduced.

Unyielding commitment to quality and customer satisfaction has driven Dell to offer a Premium Panel Exchange as part of the standard limited hardware warranty. Even if one bright pixel is found, a free monitor exchange is supported during the limited hardware warranty period.

Premium Panel Exchange is available for Dell Consumer, Professional, UltraSharp, and Gaming (including Alienware) monitors that are sold with computers or as stand-alone units, with a standard 1-year or 3-year limited hardware warranty. Customers who purchase an extended warranty can also take advantage of this coverage during the limited hardware warranty period.

Because life waits for no one, at LG USA we create consumer electronics, appliances and mobile devices that are designed to help you connect with those who matter most. Whether that means cooking a nutritious, delicious meal for your family, staying connected on-the-go, sharing your favorite photos, watching a movie with your kids or creating a clean, comfortable place to celebrate the moments that matter, we"ll be there for you every step of the way.

Designed with you in mind, LG products offer innovative solutions to make life good. With intuitive, responsive controls, sleek, stylish designs, and eco-friendly features, our collection gives you the power to do more at home and on the go. It includes:

Explore our complete collection of LG electronics, mobile devices, appliances and home entertainment solutions -- and find everything you need to connes and family, no matter where they are.ct with your friend

Bought a new smartphone or want to check on the old smartphone matrix display? In this program you can test your LCD screen for the presence of dead / broken pixels and repair it. You can detect any stuck or dead pixel on your LCD screen.

If you detect any stuck or dead pixels you will be able to try to cure them. Provide easy way to fix the stuck pixel. The program will try to use different means for the treatment of stuck pixels. Also works for screen burn-in. Start and wait on the smartphone or tablet this app until the dead pixel or stuck pixel has been repaired or unstuck.

Dead pixel is stuck point or several points of the matrix screen, which does not properly reflect the color. Sometimes they are almost invisible, and you can be the owner of them without even noticing it. There are several treatments for dead pixels screen. Mechanical - physical impact directly on the affected area and a soft-that and it has me. We strongly recommend not to use the first method is for advanced users, as it is dangerous for the screen matrix.

The program can repair: Partial sub-pixel defects, Stuck sub-pixels, Dead or Broken (bad) pixels, Stuck versus dead pixels, Dark dot defects, Bright dot defects, phantoms (matrix burnup).

If within a few hours of program works the pixels is not revived, so they can not be brought back to life in this way - contact the service center. Fix your screen with this programm.

Theoretical max speeds based on 5G mmwave technology and eight channel carrier aggregation (8cc). Actual speeds vary based on many factors including network configuration, signal strength, network congestion, physical obstructions, and weather. 5G network coverage (available in certain areas in 2020, expanding after that).

* Exclusions and limitations apply. Please read the terms and conditions for details that include exclusions, limitations, how to make a claim, cancel coverage, and list of coverage providers. For a complete list of exclusions, read the detailed terms and conditions here.

‡ Secure deposit required for advance exchange. Subject to device availability and terms. You will receive a certified refurbished, like-new device that has passed stringent software and hardware tests.

One plus of Iris over f.lux is that you automate the brightness reduction based on day and night just like most blue light filter programs do with the color temperature and blue light.

One thing to note is that I don"t recommend changing the brightness via monitor buttons if the monitor is LED. Most LED monitors change the brightness via a process called Pulse-width modulation which is really bad for the eyes.

That annoying dead pixel on your TFT, OLED, or LCD screen might just be stuck and easy to fix. We"ll show you how to do it. You can still return your monitor if this doesn"t work; nothing we recommend here will void your warranty.

Yes, you should test any new monitor for bad pixels. You can simply run your screen through a palette of basic colors, as well as black and white in full-screen mode using a tool like EIZO Monitor Test.

EIZO Monitor Test is an online tool that lets you find and eventually fix stuck pixels. It packs many options into a single test window, but it"s easy to use once you have an overview.

To test your screen, check all the boxes you want to include in your test. We recommend the default setting of having all boxes checked. If you"re testing multiple monitors, you can open the test on an additional monitor. When you"re ready, click Start test to launch the full-screen test window.

Below you see the first test pattern. Each screen has an explainer in the bottom right detailing what you should look for. Next, you"ll see a menu that lets you go from one test to the next on the left. Move through the black and white screens and all the solid colors (green, blue, and red) and check our screen. To exit, press the ESC key or the exit symbol in the top right.

This is a very thorough test not only meant to identify bad pixels but also powerful enough to test the quality of your monitor. Unfortunately, with Flash no longer supported by most browsers, you"ll probably have to use the executable version to make it work.

Move the mouse to the top of the test window, and a menu will appear. There is an info window that you can turn off with a button in the top right corner of the menu. Then click on the Homogenuity test point and move through the three colors as well as black and white.

Fingers crossed, you won"t discover anything out of the ordinary. In the unfortunate case that you do, let"s see whether it"s a stuck or a dead pixel and what you can do about it.

A stuck pixel, sometimes wrongfully referred to as a hot pixel, is defective because it receives incomplete information. Hence, it appears in one of the colors that its three sub-pixels can form, i.e., red, green, or blue. Strictly speaking, hot pixels only appear in digital cameras when electrical charges leak into the camera"s sensor wells. Sometimes, stuck pixels fix themselves.

In a dead pixel, all sub-pixels are permanently off, which will make the pixel appear black. The cause could be a broken transistor. In rare cases, however, even a black pixel may just be stuck.

Unfortunately, you can"t fix a dead pixel. You can, however, fix a stuck pixel. As I explained above, it"s hard to tell the two apart. Either way, these are the methods you can try:

Finally, you can try a manual method that involves rubbing the stuck pixel with a damp cloth or a pointy but soft item, like the rubber/eraser at the end of a pencil.

The tool will load a black browser window with a square of flashing pixels. Press the green button in the bottom right to go full-screen. Drag the flashing square to where you found the stuck pixel and leave it there for at least 10 minutes.

UDPixel, also known as UndeadPixel, is a Windows tool. It can help you identify and fix pixels using a single tool. The program requires the Microsoft .NET Framework. If you"re not on Windows or don"t want to install any software, scroll down for the online tools below.

Should you spot a suspicious pixel, switch to the Undead pixel side of things, create sufficient amounts of flash windows (one per stuck pixel), and hit Start. You can drag the tiny flashing windows to where you found odd pixels.

The PixelHealer lets you flash a combination of black, white, all basic colors, and a custom color in a draggable window with customizable size. You can even change the flashing interval and set a timer to close the app automatically.

Let it run through all colors in Auto mode to spot whether you have any weird pixels on your screen. If you do, start the fix, which will rapidly flash your entire screen with black, white, and basic color pixels.

Should none of these tools resolve your stuck or dead pixel issue, here is one last chance. You can combine any of the tools detailed above and the magic power of your own hands. There is a very good description of all available techniques on wikiHow. Another great step-by-step guide can be found on Instructables.

This works because, in a stuck pixel, the liquid in one or more of its sub-pixels has not spread equally. When your screen"s backlight turns on, different amounts of liquid pass through the pixel to create different colors. When you apply pressure, you"re forcing the liquid out, and when you release the pressure, chances are the liquid will push in, spreading around evenly as it should.

When all attempts to revive your bad pixel fail, the next best thing you can do is to make peace with it. One ugly pixel won"t break your screen, and eventually, you"ll forget about it. If the defect affects more than a single pixel, however, or just bothers you a lot, you can always replace your monitor.

First, check the warranty. The manufacturer or the marketplace where you purchased the monitor might cover dead pixels. Note that most manufacturers define a maximum number of allowable bad pixels for specific resolutions, and the warranty won"t apply until your monitor crosses that threshold.

Bright or dark sub-pixels can occur during the production of the LCD Monitor panel but does not affect the LCD Monitor functionality. The customer may notice the bright or dark spots if the film of the liquid crystal does not perform as expected while customers uses the LCD monitor. However, this is not considered a defect unless the number of bright and dark subpixels exceeds the maximum allowable threshold (...)

On a monitor with over 12 million pixels (Wide QXGA+, 2560x1600 pixels), for example, LG"s pixel policy says that 12 bright or dark sub-pixels is the maximum you have to tolerate.

Should all of these approaches fail to fix your dead pixel warrior, at least you"ll now know it"s not simple to fix, and, you might actually have to replace the screen.

Screen flickering in Windows 11 is usually caused by a display driver issue or incompatible app. To determine whether a display driver or app is causing the problem, check to see if Task Manager flickers. Then, based on that information, you"ll need to update, rollback, or uninstall your display driver or update or uninstall the app.

Press Ctrl+ Alt + Deleteto open Task Manager. If you don’t see Task Manager after pressing Ctrl+ Alt + Delete, press Ctrl + Shift + Esc to open Task Manager.

If Task Manager flickers along with everything else on the screen, a display driver is probably causing the problem. In this scenario, see the Fix your display driver section.

If Task Manager doesn"t flicker while the rest of the screen is flickering, an incompatible app is probably causing the problem. In this scenario, see the Update or uninstall an incompatible app section.

If Windows Update recently made updates to your device, roll back your display driver. Otherwise, try updating or uninstalling your display driver to fix the flickering or scrambling problem.

After you uninstall the first app, restart your device and check if the screen flickering or scrambled issue is resolved or not. If it"s not, uninstall each app one by one until the issue is resolved.