Guides

Deeper explanations to help you diagnose and, where possible, fix screen defects.

Dead Pixel vs. Stuck Pixel vs. Hot Pixel

The exact visual differences and what each one means.

Can Dead Pixels Be Fixed?

What causes them, and realistic odds of repair.

How to Safely Clean Your Screen

Avoid the mistakes that damage panels.

Manufacturer Dead Pixel Policies Compared

Warranty thresholds by brand, in one table.

Screen Burn-in vs. Image Retention

Whether that ghost image is permanent or will fade.

Backlight Bleed vs. IPS Glow

Why black is never quite black, and when it's a fault.

Grayscale Banding and Panel Uniformity

Stepped gradients and blotchy gray, and what causes them.