A monitor issue like dead pixels can be annoying, especially if they are in a noticeable area of your screen. These small, unresponsive dots can appear as black, white, or colored spots, disrupting your viewing experience. While some dead pixels are permanent, others can be fixed using pixel repair techniques.
This guide will help you identify and troubleshoot dead pixels with effective screen troubleshooting methods.
What Are Dead Pixels?

A dead pixel is a tiny spot on your screen that no longer responds to changes in color. They occur when individual sub-pixels (red, green, or blue) stop functioning.
There are two main types of monitor issues related to pixels:
- Dead Pixels – Appear as black spots, indicating a failed pixel that cannot display any color.
- Stuck Pixels – Appear as red, blue, or green spots due to a sub-pixel being stuck in one color.
Step-by-Step Guide to Fixing Dead Pixels

Identify Dead Pixels Using a Pixel Test
Before trying any fixes, confirm that the issue is due to dead pixels and not dust or smudges.
- Clean the screen with a microfiber cloth to remove any dirt.
- Use an online dead pixel test tool (such as JScreenFix or Dead Pixel Buddy).
- Display solid colors (black, red, green, blue, white) on full screen to spot any unresponsive pixels.
Apply Gentle Pressure to the Affected Area
If the pixel is stuck but not completely dead, this screen troubleshooting trick might work.
- Turn off the monitor.
- Place a soft cloth over the area with dead pixels.
- Gently press the spot using a blunt object (such as a stylus or pen cap).
- Keep applying light pressure for a few seconds, then turn the screen back on.
- Check if the pixel starts responding again.
Use Pixel Repair Software
Several free tools can help fix monitor issues related to stuck pixels by rapidly cycling colors.
- JScreenFix – A web-based tool that flashes colors on the screen to restore stuck pixels.
- PixelHealer – A Windows software that rapidly changes colors to revive unresponsive pixels.
- Run the tool for 10–30 minutes and check if the pixel is repaired.
Try a Warm Towel or Heat Method
Applying gentle heat may help unstick pixels, but proceed with caution.
- Turn off the monitor.
- Dampen a cloth with warm (not hot) water and place it over the affected area.
- Press gently and hold for a few seconds.
- Turn the monitor back on and check if the dead pixels have improved.
Check for Manufacturer Warranty
If your monitor has a significant number of dead pixels, check the manufacturer’s warranty policy. Some brands offer replacements for displays with multiple dead pixels within a certain period.
When to Seek Professional Pixel Repair or Replacement

If none of the above methods work, professional pixel repair or screen troubleshooting might be necessary. A technician can:
- Diagnose deeper monitor issues.
- Attempt advanced pixel repair techniques.
- Recommend a screen replacement if the problem persists.
Fixing dead pixels depends on their severity—while some respond to pixel repair techniques, others may require professional help. By using screen troubleshooting methods like pixel tests, software fixes, and gentle pressure, you can restore your display quality.
For expert assistance, TechNow, a trusted provider of the best IT support services in Germany, offers professional monitor diagnostics and repair solutions. Get your screen back to perfect condition with expert help today!