Computer Tools
Dead Pixel Test - Screen Color Checker
Display solid screen colors to help find dead pixels, stuck pixels, screen tint, dust, and display uniformity issues.
Screen diagnostics
Dead Pixel Test
Show full-screen solid colors to help spot dead pixels, stuck pixels, dust, or screen tint issues.
Choose a color, then use the full-screen view if your browser allows it. Press Escape or click close to exit.
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How this dead pixel test works
Choose a solid color such as white, black, red, green, or blue.
Inspect the screen for dots that stay dark, bright, or the wrong color.
Repeat with several colors to catch different pixel and tint issues.
Frequently Asked Questions
Can this repair dead pixels?
No. It only helps you inspect the display visually.
Does it work on phones?
Yes. Open the page on the phone or tablet display you want to inspect.
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