Dead pixels and stuck pixels are both screen defects, but they have fundamentally different causes and, importantly, different solutions. Knowing the difference helps you determine whether your pixel problem can be fixed or if you need a replacement display. This guide explains how to identify each type and what you can do about them.
Understanding the Key Differences
Dead Pixel:
- Appears permanently black/dark
- Transistor has completely failed
- Cannot be fixed with software
- Requires hardware repair or replacement
Stuck Pixel:
- Shows one constant color (red, green, blue, or white)
- Sub-pixel is stuck in the "on" position
- Often fixable with software or time
- May resolve on its own
Hot Pixel:
- Always appears white or very bright
- A type of stuck pixel where all sub-pixels are on
- Sometimes fixable with the same methods as stuck pixels
How to Tell Them Apart
Use our Pixel Test Tool and observe the defective pixel:
Test 1: White background
- Dead pixel = black dot
- Stuck pixel = colored dot (red, green, blue)
- Hot pixel = appears normal (white on white)
Test 2: Black background
- Dead pixel = invisible (black on black)
- Stuck pixel = colored dot visible
- Hot pixel = bright white dot
Test 3: Cycle through colors
- Dead pixel = always black on every color
- Stuck pixel = same color regardless of background
Tips for Fixing Stuck Pixels
Method 1: Pixel-fixing software
- Programs rapidly flash colors at the stuck pixel
- Run for 20-30 minutes on the affected area
- Success rate varies but worth trying
Method 2: Gentle pressure (risky)
- Turn off monitor
- Apply very gentle pressure with soft cloth
- Turn on while pressing, then release
- ⚠️ Can cause more damage - use at own risk
Method 3: Wait it out
- Some stuck pixels fix themselves
- Normal use may "unstick" the pixel
- Give it a few days before other methods
When to Seek Replacement
Dead pixels: Cannot be fixed. Check warranty policy - many manufacturers replace displays with multiple dead pixels.
Stuck pixels: Try fixing methods first. If unsuccessful after several attempts, consider warranty replacement.
Test Your Display Now
Identify whether you have dead or stuck pixels with our free Pixel Test Tool. The test cycles through colors to help you diagnose the exact problem.
📖 Complete Guide: How to Test Your Monitor for Dead Pixels