XPS 8930: Power settings keep resetting
i have exactly the same power setting problem as yours. My specs is the same as yours. Please do share if you manage to find a solution. I have logged a support case to Dell some 2 weeks back but never hear a word from them.
Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz 2.81GHz
8.00 GB (7.81 GB usable)