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Is current PSU not enough?

Last response: in Components
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August 19, 2012 11:21:36 PM

Hi All,

Recently I built the following system, some parts were from my previous build namely HDD, Case and PSU.

New Parts:
Intel Core i7 3930K
G.Skill 16GB (4x4GB) DDR3 Kit, PC-12800 (1600Mhz), RipjawsZ, 9-9-9-24-2N
Asus Rampage IV Formula, X79
Gigabyte 7970 3GB x 2 (Crossfired) Cat 12.8
3 x 23” Samsung LCDs (5760x1080)

Existing Parts:
2 x WD 500GB HDD
1 x OCZ Agility 3 120GB
1 x OCZ Agility 3 240GB
Thermal Take tough power 850W
Raven II case

OS Win 7 64bit Pro

Now the the issue I have is the system locks during gaming, usually after about 15 min or so. I can't even use the reset boutton on the case, I have to physically cut the power.

With general apps like Firefox for example I'm getting corruptions in the text and then a black viewing area, with IE9 I'm only getting corrupted text.

With 2 x HDDs, 2 x SSDs, 2 x 7970s and 4 x 120 fans running, do I need beefier PSU?

More about : current psu

a c 76 ) Power supply
August 19, 2012 11:27:01 PM

That's one of the few good TT PSU's and it has plenty of wattage, even for that system.

My guess is that it's a driver issue.

Failing that, possibly one or both of the GPU's themselves is faulty (or dying, even if they are new).
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a b ) Power supply
August 19, 2012 11:43:07 PM

did you do a clean install of windows when you transfered the storage over?
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August 19, 2012 11:49:28 PM

what is with the doubles posts on this forums :p 
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August 19, 2012 11:50:53 PM

Yeah clean install of everything. I went from Win7 home to Pro due to the memory increase.
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Best solution

a c 76 ) Power supply
August 19, 2012 11:58:43 PM

Yeah, I would uninstall the drivers for the 7970's and try either an older version or just a re-installation of the current non-beta version.
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August 24, 2012 11:46:44 PM

Best answer selected by CoderX71.
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August 24, 2012 11:48:07 PM

Uninstalled 12.8, then installed 12.4 tested ok, then installed 12.6 now all is fine.

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a c 76 ) Power supply
August 24, 2012 11:49:31 PM

CoderX71 said:
Uninstalled 12.8, then installed 12.4 tested ok, then installed 12.6 now all is fine.


Excellent. :) 
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