LCD Dead Pixel Checker
Professional monitor calibration suite. Detect dead pixels, backlight bleed, motion ghosting, contrast ratios, and text sharpness in pure fullscreen mode.
1-8 : Switch ModeM : Show/Hide MenuSpace/Arrows : CycleEsc : Exit
Fast Navigation
Click any test block above to launch it instantly in fullscreen. Use the M key to hide all UI elements for a pure "edge-to-edge" diagnostic experience.
Pro Tip
For the Sharpness and Flicker tests, clean your monitor screen with a microfiber cloth first to avoid mistaking dust for dead pixels.