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Top 5 ways to fix a stuck pixel on your screen

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It might be simple to fix that annoying stuck or dead pixel on your LCD, OLED or TFT screen. You don’t have to stare at your screen and wonder how much time it will take to send your monitor in for repair or replacement. You have had enough of grieving about something so trivial and yet extremely irritating as a “dead pixel”.

You can fix the dead pixels yourself if you take matters into your own hands. If done correctly, this will not affect your warranty and could save you time and worry.

Let’s now see how to fix dead pixels on your screen.

How to test new screens for stuck or dead pixels

Yes. You should check any new LCD or OLED screen for stuck pixels. You can run your monitor through a range of colors as well as black/white in full-screen mode with a tool such as EIZO Monitor Testing.

1. EIZO Monitor Test

EIZO Monitor Test allows you to find and fix stuck pixels online. Although it packs many options in a single window, it is easy to use once the basics are established.

Check all boxes that you wish to test your screen. It is best to have all boxes checked. You can test multiple monitors by opening the test on another monitor. Once you are ready, click Start testing to launch the full-screen test window.

Below is the first test pattern. In the bottom right corner of each screen is an explanation that explains what to look out for. Next, you will see a menu that allows you to go from one test on the left to the next. You can now check out our screen by moving through the black and blue screens as well as all the solid colors (green and blue) that are displayed. To exit, press either the ESC key in the top left or the exit symbol at the top.

We recommend flashing stuck pixels with a tool such as UDPixel and JScreenFix if you find one.

2. Online Monitor Testing

This test is not only designed to detect bad pixels, but it also tests the quality on your monitor. Flash is no longer supported in most browsers so you will probably need to use the executable version.

To test your screen, you can choose from three modes. Here is what you will see when you run the executable

The menu will open when you move your mouse over the top of the test windows. You can close the info window by clicking the button at the top right corner. Click on the homogeneity test point to move through the colors, as well as black or white.

You won’t find anything unusual, so keep your fingers crossed. If you do find something, we’ll let you know what to do.

Is it a stuck or dead Pixel?

What if you find an odd pixel? What if you spot an odd pixel?

Stuck pixel can appear in any color that its three sub-pixels are capable of, i.e. red, green or blue. All sub-pixels in a dead pixel are permanently off. This will make the pixel appear dark.

A broken transistor could be the cause. Sometimes, however, a black pixel might be the cause.

You might be able to fix a colored or white pixel . Even if it’s a black pixel, there are still chances.

Let’s now look at the ways to fix a stuck pixels.

How to fix dead or stuck pixels

Unfortunately, you can’t fix a dead pixel. However, you can fix a stuck pixel. It’s difficult to distinguish the difference, as I have explained. These are the options you have:

  1. First, examine your monitor in different color schemes to identify dead pixels.
  2. A third-party tool can be used to fix a dead or stuck-looking pixel. It will allow you to flash it with multiple colors. We recommend UDPixel for Windows or LCD (online).
  3. You can also try a manual technique that involves using a damp cloth to rub the stuck pixels or a pointy, but soft object such as the eraser/rubber at the end of a pencil.

Let’s take a closer look at these tools and methods.

1. JScreenFix Web

JScreenFix will not help you locate a stuck pixel but it can help. Simply click the Launch JScreenFix link at the bottom.

The tool will load a dark browser window with squares of flashing pixels. To go full-screen, press the green button at the bottom right. Move the flashing square until it reaches the stuck pixel.

The graphic can trigger each sub-pixel of each pixel to bring a dead pixel back to life by bringing them into focus.

2. UDPixel Windows

UDPixel is also known as UndeadPixel and it’s a Windows tool. It is a Windows tool that can identify and fix pixels. This program requires the Microsoft.NET Framework. Scroll down to find the online tools if you don’t have Windows or don’t wish to install any software.

The Dead Pixel locator can be used to quickly detect screen irregularities that have been missed by your eyes.

If you find a suspicious pixel in your Undead Pixel, create enough flash windows to cover the stuck pixel and hit Start. The tiny flashing windows can be dragged to the odd pixels.

Let them run for some time and then they will change the Flash interval.

3. PixelHealer (Windows)

This Windows app was created by Aurelitec to complement its InjuredPixels tool, which detects dead, stuck or hot pixels.

You can flash a combination of black, white, all the basic colors, and a custom color in a draggable window that is customizable in size. You can also set a timer that will close the app and change the flashing interval.

Click the Close PixelHealer link in the lower right to close the app.

4. Dead Pixels Test and Fix (Android).

This Android tool will test and fix any stuck pixels on your Android phone.

It will run through all colors in Auto mode and identify any odd pixels. Start the fix to quickly flash all pixels with basic colors and black.

5. Manually fix stuck pixels

If none of these tools solve your stuck or dead pixels issue, there is still one option. Any of the above tools can be combined with the magic of your hands. WikiHow has a great description of all the techniques available. Instructables offers another great step-by-step guide.

Let’s quickly go over one technique:

  1. Your monitor should be turned off.
  2. Use a damp cloth to protect the screen.
  3. Place pressure on the area where the stuck pixels are. Do not apply pressure to any other area as this could cause more stuck pixels.
  4. Apply pressure to your screen and computer.
  5. Reduce pressure and the stuck pixels should disappear.

Because the liquid in stuck pixels has not spread evenly, this is why it works. Different amounts of liquid can pass through a pixel when the screen’s backlight is on. This creates different colors. You apply pressure to force the liquid out. When you release the pressure, the liquid will push back, spreading as evenly as it should.

All Pixels Report to The Screen

If none of these methods work, it will be clear that the problem is not easy to fix. In some cases, you may need to replace your screen.

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