Dead Pixel Test Online: Check Your Screen for Free
We published a complete guide on how to run a dead pixel test, understand the results, and inspect monitors, phones, tablets, and laptops correctly.
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Screen check tool
Find dead pixels with a fast and comfortable visual test
Switch the whole screen through solid colors to spot dead, stuck, or abnormal pixels from mobile, tablet, or desktop.
How to use the test
- Press Start test to open the checker in fullscreen mode.
- Use the arrows or the buttons to move forward and backward through the colors.
- Enable automatic mode if you want the colors to rotate on their own.
- Press Space to turn automatic mode on or off.
- Press F to enter or exit fullscreen.
- Press M to show or hide the test controls.
- Press Esc to close the test.
- On mobile, tap the screen to show or hide controls and use the bottom buttons.
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Read moreHow Many Dead Pixels Are Acceptable?
We break down acceptable dead pixels depending on the brand, panel type, and the tolerance rules being applied.
Read moreHow to Check Dead Pixels on Phone, TV and Laptop
We explain how to check dead pixels on different devices with a simple method adapted to each type of screen.
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