PC shutting itself down

[jammydodger]

I recently bought myself a new motherboard and CPU and for a while everything was running smoothly. But an odd problem has started occuring, when playing games like BF2 for long periods of time my computer will just shut down. Theres no BSOD, no restart, it just turns itself off.

The CPU is water cooled and at about 35degrees, the graphics card reports 53degrees at idle and does not feel at all hot when running graphics instensive benchmarks.
So im assuming its the RAM or powersupply however I would assume if it was the RAM that my computer wouldnt be prime95 stable (ran stress test for 8hours till I got bored).

Here are my system specs:
Athlon64 3000+ (venice)
DFI lanparty NF3 ultra-d
Geforce 6800
Creative audigy2 value
Akasa paxpower 460w
2xseagate 7200.7's 120Gigs ea
1x DVD rom drive
1x CDRW

Anyone have any idea's?

 

[jammydodger]

I know, I can never seem to get my computers to work properly. Would it be possible that my PSU is turning itself off to protect it from damage? I seem to remember it having something like overload protection or sum such thing.

[-peep-] it, i might just sell my computers and start modding cars.

 

[xxsk8er101xx]

its not RAM. RAM is associated with hardcore lockups and freezes.

it shutting off sounds like a program user error. User not necassarily being you.

Check the power option and see if its set to turn off.

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[jammydodger]

Power settings are set to "always on" nothing is set to turn off. This is really bugging me now, I have no idea what the prob could be.
Could my graphics card be at fault?
What about an inter-mittant short?

 

[slvr_phoenix]

Would it be possible that my PSU is turning itself off to protect it from damage?

It's possible ... though your PSU looks like it should be enough. Maybe if you posted some of your actual voltages we could decide on that.

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[jammydodger]

Problem is MBM5 doesnt support my motherboard and the nvidia monitor only seems to record CPU, DDR and AGP voltages...and not very well at that.

I should mention that a while ago the pump on my watercooling kit failed this made my CPU heat up to 105degrees C before the pc turned off. This was one of the reasons I got a new CPU/motherboard...is it possible that this damaged the PSU?

 

[jammydodger]

I will try out the PSU from my other machine when I have a bit of free time on my hands. Am going uni in 2 weeks so have a lot on my plate atm.

 

[endyen]

Do you have a fan on your v-regs? If you are using water, and haven't supplied cooling for parts near the cpu, that could be the problem.

 

[pat]

There is one guy in the WinXP forum that complain that his computer doesnt want to turn off.. So, if I take your problem, and his, and do an average, there is at least one working computer...

Try to disable the function to turn off the computer in case of overheating in BIOS just to check if it is not some kine of temp misreading from the BIOS..

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[Crashman]

I know it's a fairly large power supply, but I HAVE seen the issue before, caused by either CPU overheat or the power supply.

Your power supply probably has thermal and overload protection, with an automatic circuit breaker and automatic thermal switch. If it's a PSU heat issue, you might have a bad PSU fan.

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[jammydodger]

I would RMA the PSU but i really need my computer for when I start uni, might just buy myself a seasonic 600w PSU. But then if the PSU aint the problem I really am screwed.

 

[Crashman]

Akasa is refuted to be a high end brand in some circles, I've never owned one however.

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[jammydodger]

I was worried that the cooling kit was to blame, but the CPU is reported to be 35degrees, the water block is cool to touch and its prime95 stable for 14 hours. Its only games that seem to push it over the edge, I hope to gods its not my graphics card thats screwed.

 

[jammydodger]

Hmmmm...think Im gonna use my other PSU to power the graphics card for a while and see if the computer crashes. If it doesnt then its time for a new PSU.

 

[captain_fink]

If its just during games you're not having driver issues w/ your graphics card are you? And 2 separate PSU's on one system doesn't sound like the best idea to me, especially when its your graphics card you're dealing with.

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[endyen]

And 2 separate PSU's on one system doesn't sound like the best idea to me, especially when its your graphics card you're dealing with.

Yah, use the second psu to power up your drives as well. After all, the added plug on the graphics card only kicks in in 3D, so taking some of the other strain off wouldn't hurt.