Tests mostly run in your browser. Microphone/camera data is not saved on the server.
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How to use and interpret Screen Test
What this test checks
Uses colors, gradients, grids and fullscreen patterns for a visual display check.
Colors, gradient, grid and fullscreen check tour.
How to interpret the result
Use the visual or timing result as an initial screen check. Repeat the test fullscreen and at the display’s normal resolution for the most useful comparison.
Browser limitations
Browser tests cannot automatically prove a physical panel defect. Dead pixels, uniformity and backlight issues still require visual confirmation on the actual display.
Frequently asked questions
What does Screen Test check?
Uses colors, gradients, grids and fullscreen patterns for a visual display check.
Can a browser confirm a dead pixel or panel fault?
It can display controlled test patterns, but the final confirmation is visual because the browser cannot inspect the physical panel itself.
What should I do if the result looks bad?
Repeat the test under the same conditions, check the suggested next diagnostic and compare with another browser, connection or device where practical. Use the related guides for step-by-step troubleshooting.