SCREEN 📌 Quick Summary: A stuck pixel test displays solid colors on your screen to reveal pixels stuck on a single color (red, green, blue, or white). Unlike dead pixels, stuck pixels can sometimes be fixed with rapid color cycling.
Stuck Pixel Test — Free & Online
A stuck pixel is a pixel that remains on a single color — usually red, green, blue, or white. Unlike dead pixels (which are permanently black), stuck pixels still receive power and can sometimes be fixed.
Our free online stuck pixel test displays solid colors on your screen to help you identify stuck pixels quickly and easily.
How to Test for Stuck Pixels
- Clean your screen — Remove dust and fingerprints.
- Click "Start Full Diagnosis" — The test runs in fullscreen mode.
- Inspect each color — White, black, red, green, and blue.
- Identify stuck pixels — They appear as bright dots on dark backgrounds.
Stuck Pixel vs Dead Pixel
- Stuck pixel — Stays on one color (red, green, blue, or white). Can sometimes be fixed.
- Dead pixel — Permanently black. Cannot be fixed.
Learn more: Dead Pixel vs Stuck Pixel: What's the Difference?
How to Fix a Stuck Pixel
Stuck pixels can often be fixed using one of these methods:
- Software method — Run rapid color cycling using our free diagnostic tool.
- Gentle pressure — Apply light pressure with a soft cloth.
- Tap method — Gently tap around the stuck pixel.
- Heat method — Apply a warm damp cloth.
- Wait it out — Some stuck pixels fix themselves.
Read the full guide: 5 Methods to Fix Stuck Pixels: Proven Solutions
Which Devices Can Have Stuck Pixels?
- Monitors — LCD, LED, OLED
- Laptops — Windows, MacBook, Chromebook
- Phones — iPhone, Android, Samsung
- TVs — Smart TVs
- Tablets — iPad, Android tablets