Lenovo ThinkPad P50 P51 20HH 20HJ Lcd Screen 4K UHD 3840x2160 00NY498 SD10H45081

Dead Pixel Policy: Max of 1 to 5 dead pixels (as per ISO Norms). Lcd screens are manufactured under ISO 13406-2 and ISO 9241 Class 1 standards, meaning they are not considered defective unless they have multiple pixel issues. Running this video full screen overnight has a good chance of fixing a few dead pixels. https://www.youtube.com/watch?v=-2eQhhMvi-U