Screen Tests
Use these tests to inspect a display with solid colors and simple patterns. They can reveal possible issues, but they do not repair hardware.
Tools in this group
Dead Pixel Test
Cycle solid colors to inspect dead and stuck pixels.
Monitor Test
Use colors, gradients, grids, checkerboards and text checks.
Backlight Bleed Test
Use a black screen in a dim room to inspect glow.
Stuck Pixel Test
Cycle colors to reveal pixels that stay on one color.
Screen Uniformity Test
Use gray and color fields to compare brightness and tint.
Which tool should I use?
| Need | Use | Why |
|---|---|---|
| Tiny dark dot | Dead Pixel Test | White and color screens make dark pixels easier to see. |
| Colored dot | Stuck Pixel Test | Color cycling can reveal a pixel stuck on one channel. |
| Edge glow | Backlight Bleed Test | Black in a dim room shows bright patches. |
| Uneven brightness | Screen Uniformity Test | Gray makes patchy panels easier to compare. |
Related guides
FAQ
Can these tests fix a screen?
No. They help you inspect possible issues only.
Should I test in fullscreen?
Yes. Fullscreen removes browser bars and gives a cleaner check.