Question My pc shuts down when playing games at 1080p but not on 720p

[Poofighters]

Hi! Im having a problem. Whenever I play at 1920x1080p my pc suddenly turns off at a random point of time. But when I'm playing at 720p it doesn't shut down even if im playing for 4 hours straight. The one thing that I noticed is that when the pc turns off all the components are still on. The fans, gpu, cpu. The only way it works again is if I hard reset my pc off and on. My temps doesnt exceed 80% and I already used stresstest on my gpu.

Cpu- i5-2400k
8 gb ram
Sapphire rtx 580
Thermaltake 600w

 

[rgd1101]

what is temp in 80%?
model of the psu?

 

[Poofighters]

what is temp in 80%?
model of the psu?

Im using thermaltake tr2s 600w. my gpu max temp is when gaming is 80%

 

[rgd1101]

don't know what temp 80% is

 

[jankerson]

Im using thermaltake tr2s 600w. my gpu max temp is when gaming is 80%

That PSU is junk, need to replace it.

 

[jonnyguru]

The PSU is junk, but your PC is not "shutting down" either. If it were "shutting down" all of the parts inside the case wouldn't still be running.

And what is a "hard reset"? Pressing the reset button? Holding down the power button and waiting for it to turn off and then you turn it back on again? Or do you actually have to flip the switch on the back of the PSU and turn it back on again?

 

[Poofighters]

The PSU is junk, but your PC is not "shutting down" either. If it were "shutting down" all of the parts inside the case wouldn't still be running.

And what is a "hard reset"? Pressing the reset button? Holding down the power button and waiting for it to turn off and then you turn it back on again? Or do you actually have to flip the switch on the back of the PSU and turn it back on again?

Holding the power button and waiting for it to turn off and turn it on back again.

 

[Poofighters]

don't know what temp 80% is

I mean 80Celsius sorry bout that haha

 

[Poofighters]

That PSU is junk, need to replace it.

So the psu is faulty? Do you have any recommendation for psu

 

[jonnyguru]

Your problem is not your PSU.

But your PSU is still garbage.

 

[rgd1101]

Your problem is not your PSU.

But your PSU is still garbage.

so don't change the psu?
What your suggestion? replace the motherboard or gpu?