Question 1

What is the difference between a stuck pixel and a dead pixel?

Accepted Answer

A stuck pixel stays lit in one color (often red, green or blue) because a sub-pixel is frozen on. A dead pixel is permanently black and receives no power. This fixer can often recover stuck pixels; dead pixels are usually permanent and need hardware repair.

Question 2

How does a stuck pixel fixer work?

Accepted Answer

It rapidly cycles bright, high-contrast colors (and optionally random noise) across the affected area. The fast switching exercises the liquid crystals and transistor that control each sub-pixel, which can jolt a frozen-on pixel back to normal behavior.

Question 3

How long should I run the pixel fixer?

Accepted Answer

Run it fullscreen for 10–30 minutes at a time, focused on the stuck pixel. Some pixels recover in seconds, others need several sessions over a few days. If there is no change after an hour total, the pixel is likely permanently stuck and may not be fixable.

Question 4

Is it safe to run the flashing colors?

Accepted Answer

Yes for your hardware, but the rapid flashing can trigger discomfort or seizures in people with photosensitive epilepsy. If you feel dizzy, nauseous or get a headache, stop immediately and do not use the tool.