Question PC crashes, video freezes but sound continues. someone please help

Apr 29, 2020
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ok so ive had this problem for a few months now, ill load up a game, sometimes destiny 2, sometimes CSGO. doesnt matter on graphics intensity, and after an unknwn amount of time, my system just stops dead. video freezes, sounds continues for a while but soon after the video goes, mouse movement stops too. it affecting everything. ive tried replacing m graphics card and my motherboard. still nothing, temps are fine, memory is fine as ive run memcheck, ive scoured event viewer and ive tried rolling back drivers. i cant find a fix for this anywhere and im really struggling to find a fix. any help is greatly appreciated thankyou fir taking the time to read this.

Specs: asrock b450 steel legend
Ryzen 5 1600x
rx 580 8gb
16gb ddr4 2400mhz
evga 500w psu
120gb ssd
1tb hdd

i have the recomended amd drivers currently installed already