Computer freezes randomly and nothing responds

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xl6399

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Oct 7, 2012
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so wether I'm playing a game or just browsing the internet my computer randomly freezes up and nothing responds. My monitor remains frozen on whatever i was doing. Also sound cuts and i need to hard restart it with no bsod error just says windows didnt shut down correctly. this can happen from 10 min to whenever. Temps heat up fast when playing games but not to hit max temp unless im playing something demanding like bf3.

Specs
gigabyte 970a-d3
gigabyte radeon 7970 3gb
1 7200 harddrive
700w psu
Fx 4170 4.2ghz
8gb ddr3 memory
(upgrading to fx 8350 and cooler 212 evo)
 
Solution
ko888


For a system using a single Radeon HD 7970 graphics card AMD specifies a minimum of a 500 Watt or greater system power supply. The power supply should also have a maximum combined +12 Volt continuous current rating of 38 Amps or greater and have at least one 6-pin and one 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total...
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xl6399

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Oct 7, 2012
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There is nothing shown in windows event viewer i have checked serveral times
the powery supply is a xtreme gear
and the hard drive is a 1tb western digital
 
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xl6399

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Oct 7, 2012
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ok i can get a i think a modular corsair 750w. Also is 700w enough for everything i have now after i get a amd fx 8350? But also i mean my computer stays on and the monitor is still on so could a power supply casue that?
 
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ko888

ko888

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Feb 18, 2009
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For a system using a single Radeon HD 7970 graphics card AMD specifies a minimum of a 500 Watt or greater system power supply. The power supply should also have a maximum combined +12 Volt continuous current rating of 38 Amps or greater and have at least one 6-pin and one 8-pin PCI Express supplementary power connectors.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) rated at 45°C - 50°C ambient temperature, is the most critical factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

The Corsair 750W (CX750M/CS750M/TX750M/RM750/HX750/CMPSU-750AX) power supply unit, with its maximum combined +12 Volt continuous current rating of 62 Amps and with four (6+2)-pin PCI Express supplementary power connectors, is way more than sufficient to power your system configuration with a single Radeon HD 7970 graphics card.

Yes, a flaky power supply unit can cause weird unstable system behavior.
 
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xl6399

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Oct 7, 2012
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If it isn't the power supply what else could it be by chance?
 
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xl6399

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Oct 7, 2012
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so it ended up being my RAM even though memtest said no errors thank you for your help though

 
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ExecutionLCR

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Nov 5, 2013
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I was/would be having the same issue, figured it must be the PSU I was using which is a colorSit 500W. I replaced it with an old PSU which is a Bestec 300W - probably the most basic PSU I've ever seen, of cause I also had to install my old GT220 GFX card.

My system spec
CPU: AMD 8350FX
Motherboard: Sabertooth 990FX R2
RAM:8GB DDR3 Corsair 1600
GFX: Geforce 9800GT 2GB

Anyway I'm posting in this thread asking the same question, why is it causing random system freezes no matter what your doing on the computer, it was idle and still froze. Could it possibly be the 6 pin connector for the GFX card, i was going to reinstall that PSU and try the GFX with a molex 6 pin double power connector instead of using the one on the PSU, would that maybe make a difference?
 
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