red lines on screen

My PC just randomly freezes with artifacts while I'm gaming or do light tasks for a long time, I don't know of any problems. I certainly know its not the problem of softwares as this happened on windows AND Linux. I have a suspicion it has to do something with temperature because after this...

Hello, i am kinda new here and i was tryina ask you guys about my computer its been a while that the disk started to spike to 100% and then my brother bought B360m gigabyte and 8gb adata xpg ram and i3 9100f then for some time the disk was normal but some time before when booting the screen...