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Computer keeps freezing

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October 30, 2010 5:36:15 AM

Hello everyone,
I recently built a gaming computer and have had issues with system stability and freezing since day one. I found that by putting a box fan next to the open side of my computer that I could alleviate most of the instability so I figured it was a ventilation and cooling issue as I know the stock Intel CPU coolers are not the most efficient. I finally figured it was time to get rid of the box fan and bought a Corsair H50 liquid CPU cooler, two 140mm and one 120mm case fans. Install went very smooth but to my great displeasure I have found that the computer has become more unstable i.e. the computer freezes at the Windows loading screen or if im lucky three to four minutes after logging onto my Windows Account. I run speedfan when it allows me too and see that all four CPU cores are running under 41 degrees Celsius and the GPU’s are running around 60C. I found that by taking off the side of the case and putting the box fan up (again) to the open side improves stability and the cooling of the GPU’s by about 4C, while CPU is unaffected. With this setup I can get into WoW and play on low settings but still freezes after some time (I know I should be able to run the computer much faster but anything over the lowest settings and the computer will freeze). Someone told me to reduce the clock speed or CPU frequency (one in the same?), is this a good idea and how would I go about doing this on my specific motherboard. Im not interested in overclocking just want to get rid of the box fan and increase system stability.

Thank you,

Jon

CPU Intel q9400 2.66ghz
MOBO XFX 750i Mobo
CASE Cooler Master CM690
RAM two 2 gig sticks of Centon DDR2
GPUs two BFG Nvidia 9800 gt’s in SLi
OS Windows 7 64bit
COOLING Corsair H50 CPU liquid cooler, two 140mm and one 120mm fans
HDDS one 2TB and two 500gig
PSU Ultra Xfinity 600watt

More about : computer freezing

October 30, 2010 6:28:45 AM

jon_hayhoe said:
Hello everyone,
I recently built a gaming computer and have had issues with system stability and freezing since day one. I found that by putting a box fan next to the open side of my computer that I could alleviate most of the instability so I figured it was a ventilation and cooling issue as I know the stock Intel CPU coolers are not the most efficient. I finally figured it was time to get rid of the box fan and bought a Corsair H50 liquid CPU cooler, two 140mm and one 120mm case fans. Install went very smooth but to my great displeasure I have found that the computer has become more unstable i.e. the computer freezes at the Windows loading screen or if im lucky three to four minutes after logging onto my Windows Account. I run speedfan when it allows me too and see that all four CPU cores are running under 41 degrees Celsius and the GPU’s are running around 60C. I found that by taking off the side of the case and putting the box fan up (again) to the open side improves stability and the cooling of the GPU’s by about 4C, while CPU is unaffected. With this setup I can get into WoW and play on low settings but still freezes after some time (I know I should be able to run the computer much faster but anything over the lowest settings and the computer will freeze). Someone told me to reduce the clock speed or CPU frequency (one in the same?), is this a good idea and how would I go about doing this on my specific motherboard. Im not interested in overclocking just want to get rid of the box fan and increase system stability.

Thank you,

Jon

CPU Intel q9400 2.66ghz
MOBO XFX 750i Mobo
CASE Cooler Master CM690
RAM two 2 gig sticks of Centon DDR2
GPUs two BFG Nvidia 9800 gt’s in SLi
OS Windows 7 64bit
COOLING Corsair H50 CPU liquid cooler, two 140mm and one 120mm fans
HDDS one 2TB and two 500gig
PSU Ultra Xfinity 600watt


You might consider getting a better psu from a different maker, like Enermax,OCZ,Corsair,Antec, I dinna think 600w is enough plus there should always be a little extra over and above actual system needs, psu's are most efficient when they are outputting 50 70% of capacity +/-, I remember reading here on Tom's that one 8800gtx needed at least a 2.6 cpu to run without bottlenecking, BTW,, get a hold of memtest and check your ram, do that first as it is free, better safe than not...:) 
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October 30, 2010 8:40:22 AM

MMMMM nice psu, you like fireworks.

Too much porn.
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October 30, 2010 7:18:03 PM

If it is a problem with the power supply what would be the recommended wattage needed, and how can i figure this out on my own?
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November 9, 2010 2:14:31 AM

figured out my powersupply was only putting out 20amps where as the draw on each graphics card was 22amps. Found a 850watt 70amp XFX SLi rated powersupply online and ordered it. it arrives in two days and will let you know if it fixes the problem
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