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My new builds left me stumped!

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Last response: in Systems
May 21, 2012 11:15:41 AM

Specs as follows:
i5-2500k oc'd at 4.5GHz, 1.32 VCORE, 101MHz bclk (Prime95 for 4 hours and IBT Very High for 7 passes: 71c)
Kingston HyperX 16GB 1600Mhz with Intel XMP enabled
Cooled with Hyper 212 Evo, 3 fan system
Gigabyte Z68-AP-D3 Rev 1 Mobo
OCZ 550w PSU

So I'm getting restarts in certain games, I can play Fallout:New Vegas for hours perfectly but whenever I launch Just Cause 2, Skyrim or Dead Island for 5mins-2hours I get a restart with no BSOD. I have monitored temps and they are all perfectly safe, my GPU is maxed at 52c and CPU 49c. I have tested my RAM with Windows, monitored PSU voltages and went default with no overclock.
No luck.
I am truly stumped.. :sweat: 

More about : builds left stumped

May 21, 2012 11:22:08 AM

OCZ isnt known for making or selling good quality PSUs.
May 21, 2012 11:40:24 AM

So you're thinking it is the PSU? I paid £55 for it, thinking I'd get good quality! :pt1cable:  It's the ZS Series, if that makes a difference.. What can I do? Buy a Corsair or send this back to OCZ for another?
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May 21, 2012 11:52:45 AM

You could buy a Corsair over OCZ ( I agree with vrumor, OCZ is bad) or you could also go for a Seasonic one.
They say that it provides clean power and long lasting....
May 21, 2012 12:20:30 PM

I've seen some people having issues when XMP is enabled on some motherboards. Try disabling XMP as well as running at stock clocks just to get a baseline.

Also, is your BIOS to the latest release?
May 21, 2012 12:35:42 PM

Yes BIOS is latest, I've tried running it all to the fail-safe defaults, no XMP, no OC etc... There's also buzzing noise coming from my GPU, is that something of concern?
Thanks for the input so far
May 22, 2012 3:50:27 PM

Aw well.. Gonna hope for the best on a new PSU then, thanks anyways..