PC freezing during gaming

October 23, 2009 at 09:38:54
Specs: Windows 7 Ultimate RTM, Q9450 (2.66GHz)/4GB RAM

CPU: Intel Q9450, 2.66GHz
RAM: 4GB DDR2 800MHz Corsair DHX2, 4-
4-4-12 running at 5-5-5-15
Motherboard: MSI P7N Diamond 780i
Graphics Card: nVidia 9800GX2 (stock,
OEM), latest drivers.
Operating System: Windows 7 Ultimate RTM,
fresh install. (Installed: Avast! MSN, Steam, Firefox)

Whenever I run a game, it always freezes after a few
minutes. It has:
-no BSOD
-no sound
-no error message
-no restart
It simply freezes. I previously RMA'd the CPU
because I was sure a Temp. sensor was stuck, but
OcUK simply returned it saying it had passed a 54
hour Prime95 test with no issues.
I've run MemTest on the RAM, and it passed 4 times
in a row, no issues.
I'm certain the GPU isn't overheating, I had played
Crysis before the CPU upgrade (from an E8400) and it
hit 70C without freezing or anything.

Now before I run Prime95 and prepare to shout at
OcUK, can you guys recommend anything for me to
I'm planning to:

-Run Prime95
-If it freezes, install E8400.
-Run Prime95
-If it doesn't freeze, call OcUK.
-If it does freeze, could it be the MoBo?

I'd rather not reinstall the E8400 because I have a
Noctua NH-U12P, which is quite cumbersome to

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October 23, 2009 at 10:21:12
"hit 70C without freezing or anything"

Are you crazy. Any thing above 55c is way to hot. You need to look into liquid cooling my friend.

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October 23, 2009 at 10:33:43
70C is perfectly fine for a dual-PCB GPU.

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October 23, 2009 at 11:09:46
Oh sorry. I have never heard of it before. Boiling seems kinda high.


I would run GPU-Z to double check the settings are matching...


Also run a CPU-Z becuase my guess is that it is probably not in the Graphics card but in the Processor.


Also run Speedfan because if your GPU is putting off that kind of heat it may be affecting your ambient heat inside the case which is affecting the other devices....


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Related Solutions

October 24, 2009 at 15:43:36
I started a Prime95 small FFT test, but unfortunately my PC put itself to sleep 30 minutes later.

However, the PC didn't actually freeze in those 30 minutes. I'll do a proper run of atleast 6 hours tomorrow, but it's looking like the CPU isn't the issue here. I'll run 3DMark06 and Vantage tomorrow to see if my GPU might be faulty.

Does anyone know if it might be something in the OS?

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