Laptops Dead Pixel Test
Laptop screens are IPS, OLED, or Mini-LED panels. Dead pixel policies vary widely between Apple, HP, Lenovo, and Acer — some require multiple dead pixels before offering a repair. Select your device for the exact policy.
MacBook (all models)
Air · Pro · all generations
DEPENDSMacBook Air M4
13" & 15" Liquid Retina
DEPENDSMacBook Pro
14" & 16" Liquid Retina XDR
DEPENDSHP Victus / Omen
Gaming laptop panels
DEPENDSLenovo Legion
Legion 5 & 7 series
DEPENDSAcer Nitro 5
IPS 144Hz gaming panel
DEPENDSMost laptop manufacturers follow an ISO 13406-2 pixel fault class policy, which permits a small number of dead pixels before a warranty repair is offered. Apple, HP, Lenovo, and Acer each define their own thresholds — and the policies are not always published upfront.
For a full cross-brand comparison, see the dead pixel warranty policies by brand guide on DeadPixelTest.pro.
Testing a monitor or external display?
The monitor tests at DeadPixelTest.pro cover dead pixel, backlight bleed, ghosting, Hz, colour accuracy, and more.