Windows 10 unexpected shutdown?

[BrisoX]

So, i have been on a vacation for 5monts. During summer one day i came back home to pc and suddenly it went off and it rebooted itself in 2-3 min. But it's constantly happening in last few days since i came back. 

Tryed a lot of stuff and it didn't help. all drivers updated, windows updated, windows activated etc. but when im only surfing, pc restarts in 1-2h, but when gaming it restarts in 5-10min or even less. funny thing is CPU and GPU temps are okay. i rebuild my pc and still the same problem... is this software problem or hardware?

 

thanks!

[Lele2006]

I think your power supply may not be able to eat. Let me figure out how much power you need for this hardware.

[Lele2006]

Well This may be your software problem, but I suggest you check your power supply.

[BrisoX]

On 10/11/2018 at 3:16 PM, Lele2006 said:

Well This may be your software problem, but I suggest you check your power supply.

i reinstalled original windows and still shutdowns are here :/

[vanjboardman]

Are the other temps on the board okay? Like the VRM? Also sounds like hardware if you are not getting a BSOD. Just wondering if you have tried running memtest?