Question PC Powers off randomly

Jul 4, 2023
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Hi dear forum.
I am facing an issue with my PC.
Soon after powering on (betweem the first five minutes on), sometimes it powers off unexpectedly. Sometimes one time, and up to three times. Even sometimes it takes it a while to start again with the power-on button no responding.
After that, it works ok and even passes most demanding stress tests with no problem.
The psu makes some estatic noises, but I did not pay much attention to it, assuming it is coil whine. The fan turns on ok under load.

Everything points to the PSU but I am not sure. Is there a way to prove it is PSU aside from replacing it? Did anyone experience the same problem?

These are the full specs:
Intel Core i9 I9-12900K
Cpu Cooler Noctua Nh-d15 Chromax.black Dualfan 140mm
Asus Rog Maximus Hero Z690
Ram Pc Corsair Vengeance Ddr5 32gb 5200 Mhz 2x16g
ASUS ROG Nvidia Gefroce RTX 2070
Corsair MP600 PRO PCIe Gen4 2TB
Corsair MP600 PRO LPX PCIe Gen4 600GB
Western Digital WD Black SATA 6 7200RPM 4TB
PSU Corsair RM1000x
 
Solution
thank you!! I ran all the tests and they all run ok however the computer continued to turn off and on randomly. So I conducted a very thorough check of all connectors when I noticed the 24-pin motherboard connector was slightly bad seated. It was hard to notice as it was off for 1mm at most. I re seated the connection and now agter two weeks It hasn't turned off again.
Thanks for the reply!!!
Hi dear forum.
I am facing an issue with my PC.
Soon after powering on (betweem the first five minutes on), sometimes it powers off unexpectedly. Sometimes one time, and up to three times. Even sometimes it takes it a while to start again with the power-on button no responding.
After that, it works ok and even passes most demanding stress tests with no problem.
The psu makes some estatic noises, but I did not pay much attention to it, assuming it is coil whine. The fan turns on ok under load.

Everything points to the PSU but I am not sure. Is there a way to prove it is PSU aside from replacing it? Did anyone experience the same problem?

These are the full specs:
Intel Core i9 I9-12900K
Cpu Cooler Noctua Nh-d15 Chromax.black Dualfan 140mm
Asus Rog Maximus Hero Z690
Ram Pc Corsair Vengeance Ddr5 32gb 5200 Mhz 2x16g
ASUS ROG Nvidia Gefroce RTX 2070
Corsair MP600 PRO PCIe Gen4 2TB
Corsair MP600 PRO LPX PCIe Gen4 600GB
Western Digital WD Black SATA 6 7200RPM 4TB
PSU Corsair RM1000x

could be a psu could be a overheating issue.

check using hw monitor

run this then stress the pc see if anything unusual occurs the tools handy to see how much power the pc pulls

you can also get a psu tester and test all the cables

only one that shouldnt light is the -5v if everything else lights up the psu is fine
 
Last edited:
thank you!! I ran all the tests and they all run ok however the computer continued to turn off and on randomly. So I conducted a very thorough check of all connectors when I noticed the 24-pin motherboard connector was slightly bad seated. It was hard to notice as it was off for 1mm at most. I re seated the connection and now agter two weeks It hasn't turned off again.
Thanks for the reply!!!
 
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Solution