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Dead Pixel Test

Check your screen for dead, stuck, or hot pixels

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Click a color to go fullscreen. Click anywhere or press Escape to exit. Use ← → arrows to cycle colors.

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How to Check for Dead Pixels

  1. Click any color button to fill your screen with that color
  2. Look carefully across the entire screen for tiny dots that don't match
  3. Use ← → arrow keys to cycle through all colors
  4. A dead pixel appears as a black dot on all colors
  5. A stuck pixel appears as a single colored dot (usually red, green, or blue)
  6. A hot pixel appears as a bright white dot on dark backgrounds

FAQ

Can dead pixels be fixed?

Stuck pixels can sometimes be fixed by rapidly cycling colors or applying gentle pressure. True dead pixels usually cannot be fixed and may require a screen replacement.

How many dead pixels is normal?

Most manufacturers allow 1-5 dead pixels before considering a warranty claim. Check your display's warranty policy.

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