If your flat-screen monitor is not working properly, that's no reason to run out and purchase a new one. Tools are available to repair stuck and/or dead pixels, which generally show up as spots on your screen that are either always dark or always lit up. These tools can also help you recalibrate your monitor so that it looks better.
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This is a free utility that allows you to adjust the gamma value of your monitor. A gamma value deals with the contrast between colours, and the optimum gamma value for monitors is 2.2. If you have the Windows operating system, you will already have a gamma correction added to your monitor, but usually it's not enough. Your screen appears dull or not as vibrant. QuickGamma fixes this problem by bumping up your gamma value to 2.2. This tool is free for personal use only, and commercial users must obtain permission from the author. QuickGamma is compatible with Windows XP, Vista and 7.
Lcdtest allows you to create test patterns for your liquid crystal display (LCD) monitor. This allows you to adjust items like pixel phase (how sensitive different pixels are) and pixel clock frequency (helps you figure out if data lines are actually composed of good data). You can also figure out if you have any pixels that are either stuck on and/or off. This tool is compatible with both Linux and Windows. Lcdtest is offered for free under the GNU General Public License, which means that you can use the tool without paying a license fee.
This is also a freeware program, which means that you can download, use and share it without paying a license fee. The author, however, does request a small donation if you do download the program. This tool allows you to find and repair dead pixels on LCD monitors. UDPixel takes several hours to run. It is compatible with Windows 2000, Vista and XP, but you must have the Windows .NET Framework Version 2 installed on your computer.
JScreenFix is compatible with Windows, Mac and Linux operating systems, and it helps you fix pixels that have become stuck on your screen. This pixel-repair applet is free. JScreenFix deluxe, however, is not. This version of the software program allows you fix screen burn-in, which is characterised by a discolouration on the screen that won't go away. This tool is compatible with LCD, plasma and cathode ray tube (CRT) screens.
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