Dead Pixel Test

User Guide

How to Use the Dead Pixel Test

This tool helps you identify dead or stuck pixels on your screen. A dead pixel is permanently dark, while a stuck pixel shows a constant color.

Instructions:

  • Click the color buttons to switch between different test colors
  • Click "Fullscreen" or press F to enter fullscreen mode
  • Click anywhere on the test area or press Space to cycle through colors
  • Press Esc to exit fullscreen mode

Tips for Testing:

  • Test all colors to identify different types of pixel defects
  • Look carefully for pixels that don't match the displayed color
  • Dead pixels will appear black on all colors
  • Stuck pixels will maintain one color throughout the test

Keyboard Shortcuts:

  • Space - Cycle through colors
  • F - Toggle fullscreen
  • Esc - Exit fullscreen
  • 1-5 - Quick select colors (1:White, 2:Black, 3:Red, 4:Green, 5:Blue)