system win10 64b pro

used to have a stable version 5.3..could add assets,water.about everything.

was building a scene when I

lost HD ..had to reinstall all my unreal 5 versions.

now..every version locks up my system..no mouse ,no control at all.

need to reset PC to reboot so I can use win10 again…this is my sys

MB = Z590 Aorus ultra

i9-10850k @4.8GHz

128 GB ram..matched 4 32G sticks

750W gold PS

NVIDIA RTX 3060 12 GB

17.4 TB ..all on ssd’s..c:/boot is on a 1TB 970 EVO

twin 40” Vizio 120 Hz monitors

task mgr shows red pwr usage for video

and memory ..whole system locks up no mouse no key bd..i would include pic ..but nothing functions

once sytem is locked up

any suggestions..opinions..or fixes would be most appreciated..I have a lot of paid for assets

and tuts so I am anxious to get back to creating. PLEASE