Solid color inspection
Cycle through black, white, red, green, blue, and gray screens to reveal dead, stuck, bright, and dark pixels.
For pixel inspection
Find dead or stuck pixels with fullscreen colors
Use solid fullscreen colors to inspect monitors, laptops, TVs, phones, and tablets for dead pixels, stuck pixels, bright dots, and dark spots.
Why solid colors help
Bright, dark, and primary-color fills make pixel defects stand out on any panel.
Works across devices
Run the test in a browser on the monitor, laptop, TV, phone, or tablet you want to inspect.
Good before buying or selling
Check a display before a return window closes, before resale, or after repair.
Dead pixel check steps
Follow this order so dust and fingerprints are not mistaken for panel defects.
1
Clean the screen
Remove dust and fingerprints before testing.
2
Open Screen Tester
Switch to fullscreen color patterns and scan the panel slowly.
3
Check from different distances
Look close up for individual pixels and from normal distance for visible distractions.
Related solutions
Pick a goal and open the matching fullscreen workflow.
Screen check workflow
Check pixels, uniformity, color, and light bleed with fullscreen patterns before buying, selling, or troubleshooting a display.
View solutionScreen color test
Use fullscreen color and grayscale patterns to inspect tint, banding, contrast, saturation, and display consistency.
View solutionBacklight bleed test
Use dark fullscreen output to inspect LCD monitors, laptops, and TVs for edge glow, cloudy patches, and uneven backlight behavior.
View solutionLatest Black Screen Guides
Practical tutorials for presentations, screen testing, eye rest, OLED protection, and black screen troubleshooting.
Black Screen for Presentations The Ultimate Guide
Learn how to quickly switch to black screen during presentations, classrooms, or meetings using BlackScreen, with support for Google Slides and PowerPoint to enhance presentation control. Provides full-screen black screen operation tips and best practices.
How to Use BlackScreen Sessions for Focus & Relaxation
Learn how to schedule timed black screens with BlackScreen for focus training or eye relaxation. Includes step-by-step instructions, recommended settings, and real usage examples.
How to Use Black Screen for Monitor Testing
Learn how to use BlackScreen to perform monitor testing, detect dead pixels, check color uniformity, and protect OLED screens. Step-by-step guide for full-screen black display and practical testing scenarios.
Dead pixel questions
Quick answers for inspecting pixels in fullscreen.
Can it repair dead pixels?
No. It helps reveal visible pixel issues; it does not repair hardware defects.
Which colors should I use?
Use black, white, red, green, blue, and gray because different pixel problems show on different backgrounds.
Can I test a phone screen?
Yes. Open Screen Tester in the phone browser and use fullscreen where supported.
Find dead or stuck pixels with fullscreen colors
Open Screen Tester, pick solid colors, and inspect your display in fullscreen within seconds.
Open screen tester