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Suddenly Turned Off

Last response: in Graphics & Displays
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January 17, 2011 3:10:20 PM

i have a problem during play games such as call of duty: black ops, dead rising 2,and so many other game. The problem is, when i just play it for a while, and sometimes maybe up to few hour, my pc suddenly turn off without any warning,just like the power supply been pull out.


then, i restart the PC back, i try to play the game back,what happen is, it suddenly turned off. But if i not play the games, doing some internet surfing,watching movie and other things accept play games, the problem will not occured.

I don't why it happen so many times.

this is my PC spec :

AMD Phenom II X4 955 3.2ghZ
4Gb Corrsair DDR2 800mhZ
Gigabyte Superb 720 Watt Power Supply
2x Nvidia 9800GT 512Mb ( SLI Configuration )
1Tb Samsung HDD (sata)
320Gb Western Digital HDD (sata)
2X DVD WRITER ( 1 IDE, 1 sata )
Cooler Master V6GT CPU Cooler

I hope u can give me some advice what i should do..^_^

More about : suddenly turned

January 17, 2011 3:19:44 PM

Faulty power supply, or bad one. How long have you owned it?
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January 18, 2011 5:16:58 AM

really? so, i should replace it?
if i replace it, what do u recommend ?

emm..i think i been use it about a year..
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January 18, 2011 5:59:16 AM

Actually, this may be overheating, not PSU. What are your temperatures under load of CPU and GPU? You can log GPU temps with GPU-Z.
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January 18, 2011 8:49:28 AM

overheating?? em,may idle CPU temps is about 35C and under load about 46C. i have make some CPU test like Prime95, i test about 30min, no problem occur.
but when i try 3d mark06 it run about half way,then my PC suddenly turned off.

My GPU temps about 50-60C..

what should i do to make sure my PC not suddenly turned off again??
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January 18, 2011 3:49:36 PM

If it does not overheat, than it is probably PSU. If your GPU tapmps are 50-60C under full load, you are perfectly fine.
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January 19, 2011 5:06:07 AM

ouhhh..really..ok..thanks, i will try to look for the new psu, but how much Wattage i should buy?..:-)
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January 20, 2011 3:53:49 PM

That depends on how much money you can spend on new psu. :) 

I recommend buying certified psu. My personal choice would be Cooler Master Silent Pro Gold 800W. Awesome PSU. There are maybe better ofc, but i recommended my favorite (one that i would buy myself).

Here you can calculate your system power consumption http://www.coolermaster.outervision.com/PSUEngine
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January 21, 2011 6:25:11 AM

ouhhh...really...thanks for the information..i will consider that.. :) 

em, if i buy for example, 1K PSU, and after i calculate the power consumption, the wattage usage about 8++Watt, if that the PSU will continue to use the full 1K power?huhu...

will it bump up my electrical bill?...hi3..^_^ just wonder it..:-)
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January 21, 2011 10:59:05 PM

No, don't worry.

For example, you can have 1KW psu, but you will pay only what your psu consumed. So it will be in around 0,2KW per hour in normal work and double more in heavy load. This is just an example...
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January 22, 2011 10:22:34 AM

ouhhh...really....thanks for all the information...;-)
also Thanks to people above that sharing information with me..really appriciate that..^_^
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