Screen Testing Guides
Dead pixel guides and how-tos
Short, practical dead pixel guides to help you find, understand and deal with screen faults.
Colour pixel test
Solid colours in fullscreen to spot dead pixels.
Stuck pixel fixer
Flashing or gentle mode window with timer.
Hot pixel test
Black screen to reveal always-on pixels.
Backlight bleed test
Black screen for edge light leaks.
Phone pixel test
Tap-to-change colours for phones.
Screen resolution test
Resolution, viewport and pixel ratio.
Screen contrast test
Grey steps, black and white levels.
Pixel policies
Warranty and return guide.