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How to fix dead pixels on a Monitor or smartphone?

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Pixels create the image you see on a computer monitor or smartphone screen. When the pixels “disappear” or go out, you may notice dark spots that were not there before.

Dead pixels can be a serious problem because it can spread to other parts of the screen. If your PC is no longer under warranty, or you don’t want to give it to a professional, don’t be disappointed. We will show you how to solve this common problem.

JScreenFix (web)

JScreenFix is ​​an ideal pixel fixing solution for everyone. This is a web application, which means no download is required. This also makes it suitable for various platforms, including iOS and MacOS.


  • Step 1: Open your favorite browser and navigate to the JScreenFix homepage.
  • Step 2: Click the blue Launch JScreenFix button at the bottom of the page.
  • Step 3: Drag the white noise window to where the pixel or dead pixel is, and let it run for half an hour.

JScreenFix claims that it can fix most of the stuck pixels within 10 minutes, but giving it enough working time is not affected. If it fails the first time, try to use it multiple times.

Keep in mind that this method uses both HTLM5 and JavaScript, and may be suitable for LCD or OLED screens. JScreenFix reports that the success rate of restoring residual pixels is greater than 60%. Although your mileage may vary, this is entirely an endorsement of free tools.

If you still cannot solve the problem, you can always try one of the following platform-specific tools.

PixelHealer (Windows)

PixelHealer is a completely free application of Aurelitec, which can solve pixel problems. It is compatible with many Windows versions from Windows 10 to Windows 7.


  • After downloading, PixelHealer will show you a colored box window and a set menu. Click and drag, or use the “Position and Size” option to place the color box on the useless or residual pixel area.
  • Please be careful not to look directly at the frame (especially if you are sensitive to flashing images), please click the “Start Flashing” button.

Then, the window will flash multiple colors in rapid succession. Leave it on for 30 minutes, then check the pixels again. Try a few times to see if it works. It is more likely to work on stuck pixels that show signs of life than failed pixels.

The latter may remain unresponsive, but it is possible to fix both problems at the same time. Therefore, regardless of the performance of the injured pixel, please try this Kind of method.

If you are not sure where your pixel problem is, you can use the app titled InjuredPixels. The freemium pixel detector allows you to blank the screen with multiple colors to test the display effect. Then, depending on the damage, the stuck or dead pixels will appear on the colored wall, which makes them easy to identify.

Dead Pixels Test and Fix (Android)

Dead pixel test and repair (DPTF) is a simple and easy-to-understand name. It is a quick and easy way to locate and possibly repair dead or stuck pixels.

This is a free application with an easy to explain and easy to navigate interface. Just like many apps in our guide on how to fix dead pixels, DPTF allows you to cycle through various colors and use an expanded series of flashing screens to locate and repair dead or stuck pixels.

Dead Pixels Test and Fix (Android)

Use the “check dead pixels” function to find any dead pixels on the display. If you find some pixels, please switch to “Fix Dead Pixels”, it will display color noise and bands of different colors within the specified time period.

The developer recommends that you run it for at least 10 minutes, but running it for a few hours may produce better results for devices with a lot of pixels or not fixed.

When running this app, the device may consume a lot of power, so please make sure it is fully charged or plugged in before starting.

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