pc randomly turn off

bazman25 · 17 Aug 2021 at 11:09

hi all so i need a bit of help with this one my pc is randomly turning off its done it in 2 games so far insurgency sandstorm and batman arkham knight its also done it while idling on the desktop as well. When it turns off the rgb lights on my ram are still on and also the keyboard, it boots up fine but the bios gets reset I've not done any overclocking apart from setting the ram on its XMP profile im also on the latest bios update (Gigabyte F35). My initial first thoughts are its the psu as I've had it for about 11 years now! but I'm not sure? As I've being playing control and it hasn't done it??
Here are my specs:
AMD 3700x
Corsair Dominator Platinum RGB 16GB 3200 MHz,
Gigabyte AMD Ryzen X570 AORUS ELITE
aorus master RTX 3070
Seasonix X650 watt psu

Forgot to say all my tempts seem to be ok CPU is around 60c while gaming and GPU is around 60-71c

Also noticed this noise which i think is coming from the psu the fan inside the psu is not spinning up but its a hybrid fan not that ever noticed it come on!

wookiee87 · 17 Aug 2021 at 12:05

i'd be looking at the psu too 11 years is a good run but after so much time the efficiency of that psu will be no where near 650w now, you mention that the bios resets too when you get shutdown's, this can be a bad cmos battery, so i'd recommend replacing it (cr2032 is what you'll need). for now focus on the psu as thats a bigger problem potentually

i'd look in the bios at the psu readout, all boards will have it somewhere and just check what the 12v, 5v and 3.3v reading are at stock they should be ok but it's under load you need to see what they fall too, a handy set of programs to use would be hwmoniter and hwifo64, not sure if the free version of hwmoniter will show you so if not use hwinfo64 as that has tonnes of sensor readouts including psu monitoring, start a game and take a screen shot of hwinfo64

when starting up hwinfo64 for the first time select sensor tab and press ok, a new window will appear and when it does scroll down until you see this screen

when you do find the highlighted feilds i've pointed out and check the lowest reading of all 3, atx spec is 10% either way of 12v, 5v and 3.3v if any of your rails are lower than that, i'd say a new psu is needed.

have a look and report back

EDIT the buzzing sound in the video, have you got a game playing or is that just sat idle in windows?

bazman25 · 17 Aug 2021 at 12:20

wookiee87 said:
i'd be looking at the psu too 11 years is a good run but after so much time the efficiency of that psu will be no where near 650w now, you mention that the bios resets too when you get shutdown's, this can be a bad cmos battery, so i'd recommend replacing it (cr2032 is what you'll need). for now focus on the psu as thats a bigger problem potentually

i'd look in the bios at the psu readout, all boards will have it somewhere and just check what the 12v, 5v and 3.3v reading are at stock they should be ok but it's under load you need to see what they fall too, a handy set of programs to use would be hwmoniter and hwifo64, not sure if the free version of hwmoniter will show you so if not use hwinfo64 as that has tonnes of sensor readouts including psu monitoring, start a game and take a screen shot of hwinfo64

when starting up hwinfo64 for the first time select sensor tab and press ok, a new window will appear and when it does scroll down until you see this screen

when you do find the highlighted feilds i've pointed out and check the lowest reading of all 3, atx spec is 10% either way of 12v, 5v and 3.3v if any of your rails are lower than that, i'd say a new psu is needed.

have a look and report back

ok thanks this is what im getting also bios only resets when i get the random shutdowns

wookiee87 · 17 Aug 2021 at 12:25

those readings you've posted, is that idle in windows or in a game?

bazman25 · 17 Aug 2021 at 12:28

wookiee87 said:
those readings you've posted, is that idle in windows or in a game?

idle

wookiee87 · 17 Aug 2021 at 12:30

bazman25 said:
idle

ah right start up a game that dosnt switch off the pc and see how the psu rails hold up, keep hwinfor64 open too

bazman25 · 17 Aug 2021 at 13:15

wookiee87 said:
ah right start up a game that dosnt switch off the pc and see how the psu rails hold up, keep hwinfor64 open too

just tried control for about 20mins as that game doesnt restart and this is what i get

bazman25 · 17 Aug 2021 at 13:18

Also tried batman arkham knight and after 15-20mins it turned off, i find it strange how its only in certain games

wookiee87 · 17 Aug 2021 at 13:21

all votgaes when you were in game look ok, but to note most rtx 3000 cards can have huge power spikes for just a second whilst things load in game or if your in a paticuallry demandig section of a game, this may in turn be tripping over current protecttion which is why you get power offs in certain games, tbh i'd look at a new psu in the 750w region 80+gold rating too

bazman25 · 17 Aug 2021 at 15:34

wookiee87 said:
all votgaes when you were in game look ok, but to note most rtx 3000 cards can have huge power spikes for just a second whilst things load in game or if your in a paticuallry demandig section of a game, this may in turn be tripping over current protecttion which is why you get power offs in certain games, tbh i'd look at a new psu in the 750w region 80+gold rating too

Ok thanks for your help yea I think I will get a new PSU 650 watt is ok for 3070 but my one is old and I have lots of fans 9 of them! And mnve drives etc running so I will look at a 750w. And I'm pretty sure the PSU is making a funny noise it kind of sounds like coil wine which would normally come from the GPU but the fans are turned off in idle.