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PC restarts whilst gaming

iB CoMpL3XiTy

iB CoMpL3XiTy

iB CoMpL3XiTy

Associate
Joined
10 Sep 2010
Posts
1,533
Location
Cornwall, England
Hey,

So my PC restarts during gaming, has happened in Doom (2016) and Two point hospital, no warning before it does it and will restart like a normal restart, no recovery messages or failed overclock messages.

Checked temps, seems fine, CPU @ low/mid 60s and GPU @ about 70C

I've tried:
Removing RAM, CPU and GPU overclocks
Reinstalling GPU driver
Reseating GPU and checked all cables are fully connected

I was thinking it may be a PSU problem, strange thing is it's actually been fine in more demanding titles like FC5 and The strange brigade, also ran unigine heaven for an hour and no restarts, in Doom and Two point hospital it'll generally restart within 15 minutes.

Specs are:
Asus P9X79 WS
Core i7 3930K
4x4GB Samsung Green 1600Mhz
Sapphire Nitro+ Vega 64
Seasonic 860W
Samsung Evo 840 and 850 SSDs

Thoughts and opinions please
Thanks.

EDIT: Event viewer shows a Kernal power critical error, ID: 41
 
Last edited:
iB CoMpL3XiTy said:
Hey,

So my PC restarts during gaming, has happened in Doom (2016) and Two point hospital, no warning before it does it and will restart like a normal restart, no recovery messages or failed overclock messages.

Checked temps, seems fine, CPU @ low/mid 60s and GPU @ about 70C

I've tried:
Removing RAM, CPU and GPU overclocks
Reinstalling GPU driver
Reseating GPU and checked all cables are fully connected

I was thinking it may be a PSU problem, strange thing is it's actually been fine in more demanding titles like FC5 and The strange brigade, also ran unigine heaven for an hour and no restarts, in Doom and Two point hospital it'll generally restart within 15 minutes.

Specs are:
Asus P9X79 WS
Core i7 3930K
4x4GB Samsung Green 1600Mhz
Sapphire Nitro+ Vega 64
Seasonic 860W
Samsung Evo 840 and 850 SSDs

Thoughts and opinions please
Thanks.

EDIT: Event viewer shows a Kernal power critical error, ID: 41
Click to expand...

Do you have another psu to test ?
 
Psu tester says everything is Rosie and Jim although I'm 99% sure it doesnt put any real load on the PSU, just checks 12V, 5V and 3.3V, which all came back fine.

At the moment I'm using a PSU to dual 8 pin cable, going to try using to separate 8 pins. Such exciting Friday night :(
 
ToTheMax said:
Definitely PSU going out of spec, just went through this myself. Replaced PSU and everything now fine.
Click to expand...

Oh ok, well if it is I hope its still under warranty, I think they come with 7 years but this unit is already an RMA replacement, cant remember when I bought the original.
 
Deffo sounds to me like the PSU and had a similar thing happen to myself with a decent PSU. It was still within RMA, so got lucky but just random shut downs with no rhyme or reason.
 
Try several different 8pin socket combos with the 2 x 8 pin cables you are using. I can see that yours is a multi rail design but i cant see how many rails and how that corresponds to the 8 pin sockets available on the psu.

If you can get the two cables on separate rails you should be able to avoid any over current protection limits of the vega spiking on one rail. You'll have to do it by trial and error unless it is stated in the manual?

This may not be the issue, but it certainly has been for a lot of people in the past.
 
Gregster said:
Deffo sounds to me like the PSU and had a similar thing happen to myself with a decent PSU. It was still within RMA, so got lucky but just random shut downs with no rhyme or reason.
Click to expand...

Yeah, symptoms point to PSU. I've just checked and the original PSU was purchased on 2/12/12 so also lucky it's still within warranty.

Distracted said:
Try several different 8pin socket combos with the 2 x 8 pin cables you are using. I can see that yours is a multi rail design but i cant see how many rails and how that corresponds to the 8 pin sockets available on the psu.

If you can get the two cables on separate rails you should be able to avoid any over current protection limits of the vega spiking on one rail. You'll have to do it by trial and error unless it is stated in the manual?

This may not be the issue, but it certainly has been for a lot of people in the past.
Click to expand...

Ah, didn't realise that it's multi rail, for some reason I had it in my head that it's a single rail. Yeah will try different sockets on the PSU tomorrow, time to relax with a few drinks ay.
 
iB CoMpL3XiTy said:
Yeah, symptoms point to PSU. I've just checked and the original PSU was purchased on 2/12/12 so also lucky it's still within warranty.



Ah, didn't realise that it's multi rail, for some reason I had it in my head that it's a single rail. Yeah will try different sockets on the PSU tomorrow, time to relax with a few drinks ay.
Click to expand...
Good idea. :cool: have a good evening.
 
iB CoMpL3XiTy said:
Thanks!
I had a look at the side of the PSU and it turns out it's a single rail beast, one +12V supplying upto 852W/71A

RMA time?
Click to expand...
I know it is listed as such but the review and teardown on anand confirmed it as multirail. I'll see if i can find the link.

Edit - link
https://www.anandtech.com/show/5464/seasonic-platinum-series-860w/4

This is the side of the one in the above review.
leistbetter.jpg


That said, if yours is the 2 version it may well have changed in design.

If you've ruled out everything else it does sound as though it is time to request an RMA.
 
Last edited:
Distracted said:
That's a shame :( it would have been nice if it was a quick fix.

Glad it's still in warranty!

Hope you get back up and running soon. :)
Click to expand...

Thanks.

Got a new PSU coming on Monday so we'll find out if that really is the culprit (which i'm almost certain it is).

Requested an RMA with Seasonic, they're usually very good so should be painless.
 
Quick update: Bought a new PSU and so far so good.

I'm still abit confused by it, you'd think it would crash in more demanding games but some games were fine, like far cry 5 and AC:O. Even increasing the power limit and letting the card suck down 340W (100W more than with the power limit at stock) didn't seem to cause it to crash any quicker or crash in different games. I'm guessing it's some kind of ripple/instability on the +12V which for whatever reason only shows up under certain games.
 
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