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system shutdown when video card stressed

post #1 of 6
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Hi guys,

Got a bit of a problem, as soon as I load up a game or start furmark test my entire system just powers off-like within 10 seconds. Any thoughts on the cause? I ran prime95 and my cpu and ram had no trouble leading me to think its the video card or psu. I cleaned out my video card and psu as best I could with compressed air.
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post #2 of 6
Is this with your current psu and gpu in your Sig?

Your card has two 6pins and your psu has only one six pin pci-E cable right? So you must be using an adapter for the other 6 pin for the gpu. You could be overloading the rail you stuck your pci-E adapter into.

Try and connect that adapter into different molex that could be on another 12v rail.
    
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post #3 of 6
Yep, power supply is your problem. your Coolmax V-600 cant handle the demand
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post #4 of 6
If you still have the Coolmax V-600 shown in your sig rig, get rid of it immediately. They're one of the most infamous sellers of abysmally sub-standard power supplies known to man. Typically their PSUs are physically incapable of delivering their claimed wattage (as they often fall 100-150w short).

My suggestion for a proper replacement would be Rosewill's Capstone 550w ($88 shipped @ Newegg Canada), which is a very high-quality power supply with more than enough power to handle your sig rig's OC'd Q6600 + single GTX 460.
Edited by svenge - 6/3/13 at 4:35pm
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post #5 of 6
Quote:
Originally Posted by mothrpe View Post

Hi guys,

Got a bit of a problem, as soon as I load up a game or start furmark test my entire system just powers off-like within 10 seconds. Any thoughts on the cause? I ran prime95 and my cpu and ram had no trouble leading me to think its the video card or psu. I cleaned out my video card and psu as best I could with compressed air.


Others above me have suggested your PSU might be the culprit.

Well. I put it to you that maybe it's still your CPU causing the problem. How old is your PC? When's the last time you applied thermal paste to the processor?

I had the exact same problem as you. PC would completely shut off after not even 5 mins in-game because all cores were hitting 90+ degrees Celsius.

So here's what you need to do. Download Real Temp and tell us what temperatures you hit when you start running a game after 2 mins.

http://www.techpowerup.com/realtemp/

If you can also open up your case, take off the CPU cooler and take a picture for us that would be good. If the white compound is really scorched and almost gone, then we know what's causing the problem.

-Rich
Edited by RichiRichX - 6/4/13 at 1:01am
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post #6 of 6
Moved.
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