In this in-depth screen uniformity test, we put the LG G4 OLED under the spotlight to check for common issues like banding, tinting, and dead pixels. Using various solid color patterns, gradient ...

Some users have complained that the color of their computer screen or monitor faded out suddenly. Yet others have said that the issue occurred after a Windows Update.

The test patterns can be downloaded from the AVFoundation page on Apple's website under Related Resources > Color Test Patterns, with complete instructions available in Apple's support document.