Dead Pixel & Screen Test
Is your new monitor perfect? Use this free tool to check your screen for dead, stuck, or lit pixels by cycling through solid colors in fullscreen mode.
How to Find Dead Pixels
- Clean your screen to remove any dust or smudges.
- Click the "Start Fullscreen Test" button to enter fullscreen mode.
- The screen will turn a solid color. Click anywhere to cycle through black, white, red, green, and blue.
- Inspect your screen closely for any pixels that are the wrong color. A dead pixel will be black on all backgrounds. A stuck pixel will be a single color on all backgrounds.
- Press the "Exit Test" button or the 'Esc' key to return to this page.