Developer Tool, Productivity
Screen Issues
Free screen testing and dead-pixel diagnosis guides
About Screen Issues
Screen Issues is a free online screen test tool. Run full-screen color, dead-pixel, stuck-pixel, line, and flicker tests right in your browser, then follow step-by-step guides to diagnose monitor, laptop, TV, and phone display problems. No download or signup needed.
Who is Screen Issues for?
Anyone diagnosing monitor, laptop, TV, or phone display problems, including dead pixels, lines, color issues, and flickering.
How does Screen Issues work?
Open the tool in your browser, choose a full-screen color, dead-pixel, stuck-pixel, line, or flicker test, then follow the step-by-step diagnosis guides.