A small but very useful application which allows you to easily check for dead or defective pixels on LCD monitors.
This small tool is completely portable and does not require any installation, so just run the program; optionally you can also download the installer which lets you install this program like any other software.
DefectPX is another simple application to find a dead pixel. Simply launch the application and click anywhere on the screen to change the color.
Nishant Gola, Author
Easily detect a faulty or dead pixel on an LCD screen. The tool displays a black, white, red, green, blue or whatever color you want in full screen to see a defective pixel on the LCD.
translated from French
One of the diseases of LCD monitors is the pixel defect, which can be easily filtered out with this small program.
translated from Hungarian