I did not modify Dom0. I’ve been using Qubes for a month. Moved from Mac. have a lot of learning to do.
qvm-features dom0 does not show any memory information.
I feel increasingly unable to use Qubes. Video is jittery with and without 20-intel.conf as you suggested.
What is worse is when I plug in a USB device such as an external camera (and only today, regardless of USB; just the built-in camera), the keyboard input is delayed, and the touchpad is unusable, jittery as described here:
I am not a power user. I just want it for normal and basic office work and MS Teams.