Online device test
Dead Pixel Test
Inspect a solid color field. Click it to cycle through black, white, red, green and blue.
Start the test and inspect the panel carefully.
What this means
Run the test to interpret your result
Your result will be explained here, including what is normal, what may indicate a problem, and the most useful next step.
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Recommended hardware
Contextual replacement recommendation
Reserved for a relevant product recommendation when a result suggests a hardware issue.
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