IsMyLcdOK is a compact and effective tool for checking dead, stuck, or frozen pixels on LCD monitors. The program does not require installation and can be run directly from the desktop or a USB device. It offers a variety of tests to detect display issues:
Pixel Tests with Colors and Gradients:
Graphic Stress Test:
The interface is simple, with all test options accessible immediately or via the F1 key. The program also includes a license screen that appears only on the first run. It is possible to exit the program at any time by pressing ESC.