Touchscreen
Touchscreen Test Guide: Accuracy, Multi-Touch, and Dead Zones
Verify taps, gestures, and edge response with a free browser touchscreen test. Works on phones, tablets, and touch-enabled laptops.
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Screen Testing & Display Guides
Step-by-step guides for dead pixel tests, monitor cleaning, display uniformity checks, touchscreen testing, and more — using free browser tools.
All guides
Display testing
Fullscreen Color Screen Testing: A Practical Starter Guide
Learn when and how to run fullscreen color tests for new displays, warranty checks, and cleaning prep. Browser-based tools, no install required.
Display testing
How to Check Monitor Uniformity With Color Screens
Spot vignetting, backlight bleed, and color tint using grey, white, and black fullscreen tests. A practical uniformity check for any display.
Display testing
Best Screen Colors for Dead Pixel Tests (Ranked)
White, black, and RGB fullscreen colors each reveal different pixel faults. Use this order to catch dead, stuck, and sub-pixel issues fast.
Maintenance
Clean Your Monitor Safely Using a White Fullscreen
A bright white screen reveals every smudge before you wipe. Follow this safe monitor cleaning routine for desktops, laptops, and touch displays.
Display testing
How to Test Dead Pixels With a Fullscreen Color Screen
Test dead and stuck pixels in under five minutes using free fullscreen color screens. Works on monitors, laptops, phones, and tablets — no app install.