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New PC shuts down playing graphically intensive games

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December 28, 2013 4:10:55 PM

Hi, I've just built my first PC which is primarily for gaming. These are the components used......


CPU: Intel Core i5-4670K 3.4GHz Quad-Core Processor
CPU Cooler: Cooler Master Hyper 212 EVO
Motherboard: MSI Z87-G45 Gaming ATX LGA1150 Motherboard
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory
Storage: Kingston SSDNow V300 Series 120GB 2.5" Solid State Disk
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive
Video Card: Gigabyte Radeon R9 280X 3GB rev 2
Case: Fractal Design Arc Midi R2 (Black) ATX Mid Tower Case
Power Supply: Corsair CX 600W 80+ Bronze Certified Semi-Modular ATX Power Supply
Optical Drive: LG GH24NS95 DVD/CD Writer
Operating System: Microsoft Windows 8.1 - OEM (64-bit)


The build went well and everything seemed good until I tried a game out (Battlefield 4). After around 10 minutes the PC shut down and would not switch back on again immediately. In fact it only switched back on after the power cord had been removed and replaced. I tried again with the same result about 10-15 mins in.

I installed and ran Furmark which pushed the GPU to 100% and this ran for about 12 minutes before shutting down again. The GPU temp never went above 75 deg under full load. I have since tried Tomb Raider (2013) and managed to play for around 20 mins before it shut down again.

My CPU temps are fine and everything runs great when not playing games.

So the question is.......what is wrong with my pc? Is the PSU unable to support this graphics cards (i've researched this and it seemed fine), or is it possible that the PSU is faulty? As the GPU is not getting particularly hot (by my understanding of what is acceptable for a GPU under stress), I'm guessing that's not the issue.

Any help/advice on what I can try would be appreciated, or if anyone has this PSU in a similar build please let me know if you have had similar issues.

Thanks in advance.
December 28, 2013 4:13:18 PM

Sounds like a PSU fault to me, seems as if it wont turn on unless you reset the power cord (from the PSU)...get that checked at, possibly test another PSU in there.
December 28, 2013 4:22:04 PM

My understanding is the new R9 's run at a set temperature and just throttle the GPU to maintain that temp so it sounds like that is working properly.

My first question is are you overclocking? If you are then stop and see if it works better. If your not then I also would suspect the psu. The CX is a budget psu that is a tier 2. I would have suggested a tier 1 psu like the XFX 650 but the Corsair should work. It sure sounds like a safety shutoff in the psu engaging.
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December 28, 2013 4:28:48 PM

jnkweaver said:
My understanding is the new R9 's run at a set temperature and just throttle the GPU to maintain that temp so it sounds like that is working properly.

My first question is are you overclocking? If you are then stop and see if it works better. If your not then I also would suspect the psu. The CX is a budget psu that is a tier 2. I would have suggested a tier 1 psu like the XFX 650 but the Corsair should work. It sure sounds like a safety shutoff in the psu engaging.


Many thanks for the quick response. I haven't overclocked anything, though the GPU is pre-overclocked. I did see more expensive PSUs to be fair but this was at the minimum power required by the GPU so thought it would be fine.
December 28, 2013 4:31:04 PM

Jaks0n said:
Sounds like a PSU fault to me, seems as if it wont turn on unless you reset the power cord (from the PSU)...get that checked at, possibly test another PSU in there.



Thanks for your quick response, don't have another sufficient PSU but may consider returning this one if enough people seem to think it's faulty.
December 28, 2013 4:31:45 PM

Can you try under clocking the card?

I had an 800W PSU and a GTX470 SLI set up, every thing was fine until the particles started flying. Then the PC would die, mine turned back on straight away though. But it might be worth just underclocking it a tad, I was able to lower my voltage enough to stop the problem 'till I could afford a new PSU.
December 28, 2013 5:15:43 PM

Mastikk said:
Can you try under clocking the card?

I had an 800W PSU and a GTX470 SLI set up, every thing was fine until the particles started flying. Then the PC would die, mine turned back on straight away though. But it might be worth just underclocking it a tad, I was able to lower my voltage enough to stop the problem 'till I could afford a new PSU.


Just tried a different profile in OCGuru2 with GPU clock lowered to 1000Mhz from 1100Mhz. Didn't change anything else as I'm fairly new to this. Managed 15 mins of Battlefield 4 then shutdown again.
December 29, 2013 3:08:08 AM

gmluk said:
12293587,0,376745 said:


Just tried a different profile in OCGuru2 with GPU clock lowered to 1000Mhz from 1100Mhz. Didn't change anything else as I'm fairly new to this. Managed 15 mins of Battlefield 4 then shutdown again.
said:



Are you able to lower the voltages as well and keep it stable?

I took my card's down from 1062mV to 1000mV and my GPU clock 625Mhz to 575Mhz. The memory speed shouldn't make much difference and the shader should (don't quote me on this) work on a 1:1 ratio with the gpu on ATI cards, whilst Nvidia cards run at a 1:2 ratio.

For examble if your ATI GPU is 1000Mhz your shader clock will be 1000Mhz
And an Nvidia card will be 1000Mhz GPU and 2000Mhz shader.

Lowering the voltages along with the speed of the card shouldn't damage it as far as I'm aware. Just make sure your pc isn't set to boot with the new settings.
December 29, 2013 3:27:49 AM

http://www.extreme.outervision.com/PSUEngine

Also take a look at this too. I used this when my pc was rebooting, it did say mine was fine though so maybe add an extra 50W onto what it comes out with. And stick system load to 100%
December 29, 2013 7:06:17 AM

Just discovered that the psu fan is not spinning, and doesn't spin even under load. I'm guessing with this unit that the fan should always be spinning? Also, the casing of the psu is loose on one side, which i hadn't noticed previously.So it looks like this has been dropped at some point and is damaged as a result. It was purchased from Amazon UK so will return it for a replacement. Please advise about the fan though as I couldn't find a definitive answer about whether or the fan should always spin or not on the CX series. Thanks for all responses guys!

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December 29, 2013 7:38:11 AM
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Fan should run 100% of the time on that model. Since if doesn't run at all it WILL overheat and thermal safety switch won't reset till unplug or unit cools down on it's own....

That 600watt Corsair will be fine for your system, just RMA the broken one.....

December 29, 2013 7:40:02 AM

Hi, replace the PSU ASAP, its gone without any doubt. Do not use the PC with that PSU or you will be risking your expensive components.

The fan not spinning means the PSU is unable to output any power, so the PC is shutting down.

Corsair's CX series is not that good, go with HX or TX series. I prefer XFX 650W, solid build and made by Seasonic top of the line PSU maker. A 650W PSU of a decent make will be sufficient for you.
December 29, 2013 8:19:55 AM

So as I and everyone has said, just replace the PSU and return the old one!
December 29, 2013 8:23:00 AM

Are you plugging the PSU cable in a heavily crowded plug? E.G An extension cable that is over crowded? That could be the reason as there isn't enough power for one wall socket. I have a CX600M and mine is working perfectly, with my r9 270x and my i7 4770k
December 29, 2013 8:39:18 AM

Thanks everyone. Have arranged a return for the psu for a refund, and have ordered the XFX 650W as recommended by a couple of people here. I knew the CX range from Corsair was a budget range but was unfortunate to end up with a broken one - in no doubt it would have been fine otherwise but as my first build this has left an unfortunate taste in my mouth and won't skimp on the psu in future. Should get new one on Tuesday and very much looking forward to using my new PC as intended (gaming!!!!) Thanks again for all responses!
December 29, 2013 8:44:45 AM

You are welcome.
!