Dead Pixel Test
Inspect five solid colors, mark a fixed suspect point, and compare what remains visible.
Open toolGuided screen tool
Stuck Pixel Fixer
Position a small color-changing patch over a suspected stuck pixel, run it for a limited time, then repeat the five-color check yourself.
This tool runs locally in your browser. Your marks, observations, and timing samples are not uploaded.
- Check eligibility
- Position patch
- Run exercise
- Recheck
Targeted stuck pixel exercise
This tool is only a possible attempt for a bright or colored stuck pixel. It does not detect recovery or guarantee a repair.
What did the pixel do on a black field?
Choose the closest observation from a completed pixel test. The fixer remains unavailable until the result is consistent with a possible stuck pixel.
When to stop and seek support
Stop immediately for discomfort or unusual panel warmth. If the point remains dark or unchanged, avoid pressing or massaging the screen and check the manufacturer's pixel policy or warranty.
What this test cannot prove
There is no guaranteed browser method for repairing a stuck pixel. This exercise does not repair dead pixels, physical damage, image retention, or OLED burn-in, and the browser cannot know whether a pixel recovered.
Related screen tools
Continue with a focused test only when it matches what you are trying to inspect.