u/Sufficient_Singer181

So at first my pc didn’t shutdown auto it just won’t turn on unless i reset the cmos after three days it start to shutdown auto when I’m working. first i change thermal paste and then it works perfectly.but after three days i got the same issue again. First i thought my psu is the problem cause it’s been two years since I build my pc.so i take my pc to a repair shop and then plug into a new psu and it works perfectly so i change to a new psu came home and tried to turn on again same problem. And now i don’t know what to do.

( I checked the gpu and it’s working perfectly. If there is a short on motherboard it shouldn’t be turn on when I’m in the repair shop right? But it did. Is there a problem in my house)