It can happen that you notice a pixel or a number of pixels on your LCD monitor that appear to be stuck or dead. It is sometimes hard to notice depending on the location of the stuck pixels but an indicator is that the computer monitor does not change the color anymore in this location. An easy way to locate dead or stuck pixels is to use a software program that can fill the computer screen with one solid color which makes it that easier to locate stuck pixels.
UDPixel is such a software. The free software program can not only aid the user in locating stuck pixels but does come with the means to fix dead or stuck pixels as well. There is no guarantee for success but it cannot hurt either to give this program a try.
UDPixel, which is short for undead pixel, comes with two main options. The first is to display the computer screen in one solid color. Available are standard colors like red, white, black and blue with the option to pick custom colors from the Windows color palette.
The second option will try to fix dead or stuck pixels by rapidly changing the color of the stuck pixel or stuck pixels for some time. The user can configure the number of flash windows (one for each stuck pixel), the size of the window and the flash interval (should be set to the monitor’s refresh rate). The selected number of flash windows (small pixels actually) will appear on the screen after pressing Start. These now have to be moved to the right location (that is the location of the stuck pixel) with the mouse.
The developer suggests to keep the program running for several hours. The stuck pixels might have been fixed after that time which can be verified again with the first option of the program.
UDPixels is available as a portable version and installer at the developer’s website. It is compatible with most Microsoft Windows operating systems including Windows 7. It requires the Microsoft .net Framework 2 to be installed on the computer system.
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Hoi Martin do you know why this program is categorized (by the fdm/free download manager) as a dangerous download
no idea Paulus.
Software like this can be valuable when all else fails. But on any LCD display, it’s always worth trying the physical approach first – simply *gently* rub the affected area (and as far as possible only that area) with a soft point such as a biro cap covered in a handkerchief – I’ve sorted a couple of dead pixels this way.
only for those who have found a dead pixel. If you don’t know there’s a dead pixel and you don’t notice it, don’t try to find one and let your brain continue to believe there’s no dead pixel. Because once you find one, you’ll always focus on it and see it.