Question Pc runs for a bit then crashes completely

Fatblabs

Commendable
Jun 29, 2021
304
14
1,695
here’s the problem: I just got my pc back after like 2 years, but Whenever I use my computer (most of the time occurring when I play games), it completely shuts down after a couple seconds and sometimes just stays on a black screen. Sometimes green lines appear on the screen as well.

What I have tried:
Full DDU
ram reseat
Gpu reseat
Ssd reseat
Bios reset
Updated everything to the latest

I will update this post with a yt link of it when it fully uploads
Example 1:
View: https://youtu.be/fuI6rnwXeng?si=pEE6ZI5VnHnrKICW

Example 2 (better example):
View: https://youtu.be/k6VLgrsw7HQ?si=nepNmpQXPuh2FkNR

Ignore the clutter I just got my pc back in ages and I didn’t clean my desk
 
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