

Dust, fingerprints, etc.
Allegedly they may check these things under black lights at the factory for any evidence of opening to attempt to deny warranty. With drive prices having doubled since I bought it and all capacity bought out they’d be extra eager to find any excuse to attempt to deny. Magnuson–Moss warranty act should prevent them from doing that but I don’t have a high power law firm on retainer to sue and intimidate western digital into compliance if they tell me to pound dirt.

Doesn’t work. Not a Linux issue. No graphics card or motherboard maker connects the hardware correctly to support CEC on PCs. It’s an industry-wide practice.
There is the pulse eight injector which together with software can inject CEC with a USB connection with the caveat it can’t turn your computer on and it’s a hacky and imperfect solution for tinkerers rather than production ready equipment. Also it’s only HDMI 2.0 not 2.1.