PC restarts when graphics card is stressed with no error message or blue screen

somalian-pirate · Apr 1, 2015

So this started happening around 4 days ago. I was playing sleeping dogs and the PC restarted all of a sudden. After that it restarts in every game though I can play for about 5 minutes. I thought this was a graphics card problem at first so I put my card in a mates PC. Works perfectly no restarts. On my PC furmark wont even start. Pressing the start gpu test button makes it restart instantly. The test wont even run. Tomb Raider runs for 5 minutes on ultra but instantly restarts when on ultimate with the fancy hair setting on haha

PC specs
CPU: i5-4460
GPU: Sapphire R9 280 3GB
RAM: Kingston Hyperx Fury 8gb
PSU: Coolermaster G550M
MOBO: Gigabyte H97 Gaming 3

Onus · Apr 1, 2015

You have a Coolermaster PSU. It is likely overrated, and in any case unable to hold up its end of the log. A good 550W PSU is sufficient for your rig.

ingtar33 · Apr 1, 2015

somalian-pirate :

most likely suspect is that junk psu. psu's from coolermaster have a poor reputation for a good reason.

somalian-pirate · Apr 1, 2015

so swap out the power supply and I'll be fine? What brand do you recommend for good power supply, I thought cooler master wasn't bad when i bought it. I read a review about the one I got and they said it was ok

Onus · Apr 1, 2015

Where are you located?
If at all possible, I'd choose a unit made by Seasonic (their own, XFX, EVGA GS, some Antec), Delta (some Antec), or Super Flower (Rosewill Capstone, Kingwin Lazer, EVGA G2 or B2).

somalian-pirate · Apr 1, 2015

I'm in the Maldives not actually from somalia haha It will be pretty tough to get anything decent here. I got all my parts from Malaysia last year when I went on a trip.

Onus · Apr 1, 2015

Hmmm, can you order online? If so, where?

somalian-pirate · Apr 1, 2015

I cant. I have to find someone coming from another country and make him bring one. Thanks for the input. One more question. Is there any way to be completely sure if its the power supply going bad? Everything ran for the 3 months i've had this system till now

Onus · Apr 1, 2015

Not really, unless you can take it to a shop that can load-test it (unlikely).

johnbl · Apr 1, 2015

be sure to check your supplemental power connections from the power supply to the video card. Just make sure they are connected or your machine can reboot when your GPU goes into 3d mode.

somalian-pirate · Apr 2, 2015

alright thanks everyone for the answers I'll be getting a seasonic PSU as per your recommendation on the 12th this month. johnbl they are connected I guess the power supply just cant supply enough juice to the card above a certain load level

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