Want to get rid of dead or stuck pixels on your screen? Dead pixels occur due to numerous reasons. Sometimes it’s because of transistor malfunctioning in CRT monitors, and if they get appeared on LCDs, it is maybe due to in-discrepancy of liquid distribution across the screen. Whatever the case is, you can easily notice them on desktop covered with some solid colors, like, pitch black, white, red, etc. Both always lit and dead pixels are annoying, but fortunately, can be fixed by using a pixel repairing tool, such as, IsMyLcdOK. It’s a miniscule portable application to check and repair dead pixels on your screen.

With IsMyLcdOK, you can conduct 10 pixel finding tests to locate the exact position of dead or abnormally lit-up pixels. Unlike previously covered Rizone Pixel Repair and UDPixel, it also allows you to check whether a vertical or horizontal range of pixels is damaged or not. To fix dead pixels, you can perform several dead pixel removing operations to fix all the stuck pixels on your screen along with horizontal or vertical pixel ranges in one go.

The application runs in full-screen mode. On the main screen, it lists down all the tests which you can conduct to locate the dead / stuck pixels on the screen. To perform one, just press respective test number on keyboard. For instance, for dead pixel, you can go for White Test. Press 1 to cover whole screen with bright white color to find a dark dead pixel. Similarly, you can check lit up pixel by conducting Black Test.

To check vertical and horizontal dead pixel range, press F7 followed by F8 to run both tests. The Endurance test runs all the tests subsequently to find all the dead pixel related problems. Below, you can see some dead pixels tests being performed to find and remove them off the screen.

IsMyLcdOK is a portable application and works on all versions of Windows.

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Do you have a stuck or dead pixel on your screen and are looking for a way to fix it? There is still hope, UDPixel is an excellent software that tests your screen to find any dead or stuck pixel and then try to repair it automatically. This program requires .NET Framework 2, which I don’t think is a big problem through.

Before I explain how this software works, lets get back to a little basics. How will you know weather you have a dead pixel or stuck pixel? Each pixel on an LCD monitor is composed of one red, one green and one blue subpixels. A stuck pixel results from a manufacturing defect, which leaves one or more of these sub-pixels turned on or off(they can be of either red, blue or green color), it can be clearly seen against a black background. A dead pixel is a defective pixel in which all subpixels are off, therefore appearing black in color, it can be clearly seen against a white background.

- Photo taken from Instructables.

Note: Make sure you have turned off your screensaver when running the program, because the screensaver can interrupt the process.

This software is very easy to use, simply press each button with different color from the left side and find your dead pixel. Defective pixels can show on any background, this part is used to find the dead or stuck pixel. Once you have found a defective pixel, simply choose the Flash windows, size and interval and click Start. If you are new to this software, I recommend that you use the default settings.

Now you will find a flashing window on the screen, drag and move this tiny window to where you found the defective pixel. That’s it. It will run for a while and fix it automatically. You can later change the flash interval if the pixel doesn’t get fixed. Enjoy!

Did this program fix your defective pixel? Let us know in the comments.

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