🟦 Fullscreen screen checker

Dead Pixel Test Online

Test your screen for dead pixels, stuck pixels, and display issues using fullscreen solid colors.

Dead Pixel Test

Use solid colors to inspect your display. Click a color, then use fullscreen.

How to use this tool

  1. Clean your screen first.
  2. Click each color one by one.
  3. Go fullscreen and inspect the display edges and corners.

FAQ

What is a dead pixel?

A dead pixel is a pixel that stays off or does not change correctly.

Can this repair pixels?

No. This page helps you detect display issues only.