#1Try to Fix a Stuck Pixel
- The screen will flash rapidly. Do not use this tool if you have a history of photosensitive seizures, or if flashing light has ever made you dizzy or unwell
- Do not run for long periods on OLED screens — it can cause burn-in (10-30 minutes recommended; auto-stops at 60)
- Results are not guaranteed. Avoid staring at the flashing area while it runs
Only Stuck Pixels Can Be Fixed — Stuck vs. Dead
Pixel defects lumped together as "dead pixels" actually come in two very different kinds. Before attempting a repair, identify which one you have using our dead pixel test (solid-color screens).
| Type | What it looks like | Chance of fixing it here |
|---|---|---|
| Stuck pixel | A red, green, blue, or white dot that stays lit on a black screen | △ Sometimes improves (not guaranteed) |
| Dead pixel | Always black on a white screen; never lights in any color | × Cannot be fixed (physical failure) |
| Dust or dirt | Moves around, wipes away | ○ Solved by cleaning (no tool needed) |
How It Works — and an Honest Word on Success Rates
Each LCD pixel passes or blocks light by reorienting liquid crystal molecules under voltage. A stuck pixel can occur when those molecules jam in place. By cycling random colors at high speed, this tool keeps applying changing voltage to the pixel, creating a chance for the jammed molecules to start moving again — the same approach long used by tools like JScreenFix.
To be blunt, no scientific validation backs this method — the success stories are anecdotal. Mildly stuck crystal sometimes frees up; a degraded pixel will not respond. The right mindset: worth a shot, nothing to count on.
Realistic Options When It Doesn’t Work
(1) Check the warranty policy: if the purchase is recent, this is your surest path. Manufacturers publish thresholds for defect counts that qualify for replacement.
(2) Skip the pressure method: pressing the pixel through a cloth gets recommended online, but it risks internal panel damage, worse symptoms, and a voided warranty.
(3) Learn to ignore it: a single dot at the screen edge rarely enters your field of view in daily use. Often the most practical fix is no fix at all.
* This site accepts no liability for any damage arising from use of this tool. Avoid extended runs on OLED screens.
Why Pixels Get Stuck
Each LCD pixel is made of red, green, and blue subpixels, each adjusting light through the orientation of liquid crystal molecules. When those molecules stop moving for some reason, one color stays lit — a stuck pixel.
Minor manufacturing variance, long periods displaying the same image, and temperature swings are the usual suspects; it is not caused by misuse, and even brand-new panels develop them at some rate.
When the transistor driving a pixel fails outright, you get a dead pixel instead — permanently dark. That is a circuit failure, beyond anything software can reach.
Before You Run It
- Do not use it if you have photosensitive epilepsy, and avoid staring at the flashing area
- Keep runs short on OLED screens — sustained bright output in one spot causes burn-in
- On laptops, plug into power first; the flashing render drains battery
- Try 10 minutes, then up to 30. It auto-stops at 60, beyond which further gains are unlikely
- Run the dead pixel test before and after on the same solid color — changes are much easier to spot
Found One on a Brand-New Monitor?
If the purchase is recent, check the manufacturer's and retailer's replacement terms before attempting any repair. Manufacturers publish pixel-defect policies (e.g., replacement above a set number of bright dots), and retailer exchange programs — including paid ones — may also apply.
The rational order: confirm you don't qualify for replacement first, then try a tool like this as a no-loss experiment. Making an arrival-day inspection a habit means you never miss the exchange window.