Cabc

[alekc]

I'd suggest also adding a section about cabc
https://www.reddit.com/r/Dell/comments/4a925a/xps_13_dynamic_contrastbrightness_test/

Fortunately on newer xps it can be disabled in bios (was not the case on 9343)

[distantorigin]

I need to restart to look at the UEFI options. Seems like a good edition.