Dead pixel and clouding test

Which devices can you test?

This test works on monitors, TVs, laptops, tablets, and phone screens to check dead pixels and clouding. Running it right after purchase helps you detect panel issues early.

For better accuracy, keep brightness at a moderate level and inspect each color screen carefully. Stuck dots visible on black, white, red, green, or blue screens may indicate dead pixels.

FAQ

How long does a dead pixel test take?

Most checks are completed in 1-3 minutes. If you notice a suspicious dot, repeat on multiple colors to confirm.

Can I run this test on a phone?

Yes. The full-screen color cycle can be used on smartphone displays as well.