How to Fix LCD Monitors
LCD monitors are superior to their older CRT counterparts in almost every way, but that doesn't mean that LCD monitors never have issues. One of the most common issues with LCD monitors is a dead pixel. A dead or stuck pixel is a pixel that is either permanently off or permanently stuck on one color, namely blue, red or green. Dead pixels can be irritating, but often you can fix your LCD monitor's dead pixels on your own.
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Instructions
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Download Dead Pixel Tester (DPT). DPT is a free piece of software that will help you locate your dead pixels, available at dataproductservices.com/dpt. The program offers several different background colors and patterns that will make any dead or stuck pixels obvious. If your monitor is still under warranty and you have enough dead or stuck pixels, you may qualify for a replacement monitor.
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Find your dead or stuck pixels. Clean off your screen and set your computer's resolution to your LCD monitor's native resolution. Open DPT and close the menu by pressing the "Escape" key on your keyboard. Scan your screen for any pixels that are not black. Click with your mouse to change the background color and scan again. Use the "M" key on your keyboard to mark any dead or stuck pixels you find.
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Open the JScreenFix applet. You can find the applet at JScreenFix.com. The applet is browser-based, so you do not have to download any special software other than Java to run it. The applet will display a quickly moving color pattern may be able to fix your stuck or dead pixels.
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Position the JScreenFix applet over your dead pixels. The applet should not have to be very large to cover the pixel or pixels, but you can resize it if you have multiple dead or stuck pixels that are distant from each other on your LCD monitor.
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Let the applet work for about 20 minutes. Leave your LCD monitor on with the applet running. You can use your computer while the applet is running, but you want to avoid placing anything in the area of the applet, such as your mouse cursor. After 20 minutes, the pixel should be working fine again. If it is not fixed, move on to the next step.
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Try manually rubbing the pixel back to life. This solution can cause damage to your monitor if you are not careful, so only use it as a last resort. Wrap a piece of fabric around a large pen or marker. Apply slight pressure to the area of the dead pixel on your LCD monitor. Keep the applet running in the same spot and massage the area for a few minutes. Check the monitor to see if you dead or stuck pixel has come back to life.
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