Defpix is a little app designed to show you if you have any dead or defective pixels on your monitor.It works very simply: it will show you a series of solid color screens, including red, green, blue, white and black, which will allow you to tell if any of the pixels on your screen are defective.Defpix is a very simple tool and you do not have to install it, so you can quickly check your LCD monitor's health.
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