restarting at random

Hi, I’ve recently built a new pc, which is meant to be a gift, using all new components. The pc keeps crashing mid game or idle, or even fails to get past the boot loading screen. At times when it restarts itself it uninstalls the graphics driver and Nvidia GeForce experience. I’ve checked all...

My pc the last week or two has been very weird,its been freezing crashing bluescreening restarting itself turning itself on randomly at night overclocking itself even tho i set it to underclock the cpu fan has been running at nearly 7k rpm (its rated for 3-4k from what ive seen) and i turned two...