Monitor Dead Pixel Test
Ultimate Monitor Test Professional grade dead pixel checker. Immersive, simple, and accurate. START TEST Or jump to specific color White Black Red Green Blue Dead Pixel vs. Stuck Pixel: What’s the difference? It is crucial to distinguish between the two, as one can often be fixed while the other is permanent. 🔴 Stuck Pixel: A…
Ultimate Monitor Test
Professional grade dead pixel checker. Immersive, simple, and accurate.
Dead Pixel vs. Stuck Pixel: What’s the difference?
It is crucial to distinguish between the two, as one can often be fixed while the other is permanent.
- 🔴 Stuck Pixel: A pixel “frozen” on a color (Red, Green, Blue). Transistor is stuck “ON”. Often Fixable by flashing colors.
- ⚫ Dead Pixel: A black spot on a white background. Transistor is dead. Usually Permanent (requires screen replacement).
Is my monitor defective? (ISO 13406-2 Standard)
Most manufacturers (Dell, Asus, LG, Samsung) follow the ISO 13406-2 Class II standard for warranty returns.
| Defect Type | Allowed (Class II) |
|---|---|
| Type 1 (Hot/White pixel) | Max 2 |
| Type 2 (Dead/Black pixel) | Max 2 |
| Type 3 (Stuck Sub-pixel) | Max 5 |
*Per 1 million pixels.
How to attempt a “Stuck Pixel” Fix
- The Flashing Method: Start our test and click rapidly to switch colors. This can “wake up” the liquid crystal.
- The Pressure Method: Use a damp cloth. Apply gentle pressure on the stuck pixel while turning the screen on.
Common Questions (FAQ)
Does this work on OLED and Mobile?Yes. Works on 4K monitors, OLED TVs, iPhones, and Android. Use the Grey pattern to check for OLED Burn-in.