SCREEN 📌 Quick Summary: A monitor health check evaluates your display for common issues: dead pixels, ghosting, burn-in, uniformity problems, and refresh rate accuracy. Our free online tool does all of this in under 60 seconds.
Monitor Health Check — Free & Online
Your monitor is the window to your digital world. Whether you use it for work, gaming, or entertainment, a healthy display is essential. Our monitor health check helps you identify problems before they get worse.
What Our Health Check Evaluates
- Dead pixels — Permanently black dots that never light up
- Stuck pixels — Pixels stuck on one color
- Ghosting — Motion blur and trailing behind moving objects
- Burn-in — Permanent ghost images (OLED)
- Uniformity — Clouding, backlight bleed, dirty screen effect
- Refresh rate — Confirms your monitor runs at the correct Hz
How to Run a Monitor Health Check
- Clean your screen — Remove dust and fingerprints.
- Set your monitor to native resolution — For accurate results.
- Click "Start Full Diagnosis" — The test runs in fullscreen mode.
- Follow the instructions — Advance with Space or click.
- Review your score — Get a health score out of 100.
Why Monitor Health Matters
- Eye strain — Defective pixels cause eye fatigue
- Productivity — A healthy screen improves focus
- Gaming performance — Ghosting ruins competitive play
- Professional work — Designers need color-accurate displays
When to Run a Health Check
- After buying a new monitor
- Before buying a used monitor
- If you notice a black dot on your screen
- If you see motion blur while gaming
- Periodically (every 6 months) as a preventive measure