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Dead Pixel Test

Scan your monitor for dead, stuck, or hot pixels using full-screen color tests.

Instructions

  1. 1. Click a color below to enter true browser fullscreen mode
  2. 2. Look carefully across the entire screen for any abnormal pixels
  3. 3. Click anywhere or use Next/Prev to cycle through colors
  4. 4. Press Exit or Escape to return to this page

Types of Pixel Defects

Dead Pixel
Always black, no light output. Transistor failure.
Stuck Pixel
Stuck on one color (red, green, or blue). Can sometimes be fixed.
Hot Pixel
Always bright white. Opposite of dead pixel.