Updated: BeeLink GTR7 7840/7940 Pro Random Reboot/Crashing Issue (The Reason and a possible fix for some)

I found out something very interesting: when I run my monitor in Full HD (1920x1080) instead of the native 2560x1440, I get no crashes or random reboots.
Obviously that is not a permanent solution but it is interesting.

I know @KMH-Tech is returning ht unit now but is there someone else in this forum that have the problems and can perform this test?