Dead Pixel Test

Test your screen for dead, stuck, or hot pixels with different colors in full screen mode.

How to use:

Click the "Start Test" button below to enter full-screen mode
Use arrow keys or click anywhere to cycle through different colors
Look carefully for any pixels that don't match the displayed color
Move your mouse to show/hide controls
Click X button or press ESC key to exit full-screen mode

The test will cycle through the following colors:

Test your screen for dead or stuck pixels by displaying solid colors in full-screen mode. Dead pixels will appear as black dots, while stuck pixels may show up as a constant color regardless of the background.

Test for color banding Test gray uniformity

Dead Pixel Test

How to use:

The test will cycle through the following colors:

Frequently Asked Questions

What is a dead pixel and how can I identify it on my screen?

How do I use this dead pixel checker tool effectively?

What's the difference between dead pixels, stuck pixels, and hot pixels?

Can dead pixels be fixed or repaired?

Why should I test my screen with different colors?

How many dead pixels are acceptable on a new monitor?

What causes dead pixels on LCD and LED screens?

How often should I check my screen for dead pixels?

Why is using a dead pixel test tool important for new monitors?

Can a dead pixel checker help with warranty claims?

What should I do if my dead pixel test reveals screen defects?