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Custum PC shuts down help!!

Tags:
  • Homebuilt
  • Systems
Last response: in Systems
June 8, 2009 12:28:24 AM

I built my pc a while back it worked great for a while but not anymore. My problem is that it will shut down during any graphic intensive game usually at the same point and I cant seem to understand why. Ive tinkered with multiple settings including on the bios and nothing seems to fix the situation unless i disable the CPU external cache; it stops the computer from shutting down but games are than laggy and unplayable. When i first built my comp it preformed perfectly then just one day it stopped, ive also formatted my hdd multiple time and slapped a fresh copy of windows on it but i still cant seem to fix it.

these are my specs:

OS:
Microsoft Windows 7 Ultimate x64
Version 6.1.7100 Build 7100
BIOS:
Phoenix Technologies, LTD 6.00 PG, 5/23/2008
PSU:
250w
Mobo:
Nvidia GeForce 6100sm
Processor:
AMD Athlon(tm) 64 X2 Dual Core Processor 5600+ (2 CPUs), ~2.8GHz
Memory:
2046MB RAM
Hard Drive:
Western Digital 137 GB
Video Card:
NVIDIA GeForce 9600 GT EVGA SSC Editon
Monitor:
Samsung SyncMaster 226BW(Digital)
Sound Card:
SB Audigy
Keyboard:
Logitech G15
Mouse: Razer Death Adder

Let me know if i need any additional info

PLZ help :D 

More about : custum shuts

June 8, 2009 12:52:17 AM

Power supply is a little small for that setup...scratch that...REALLY undersized! could be part of the problem, also check your CPU, GPU Temps...could be an issue.
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June 8, 2009 12:55:34 AM

What would be a recommended size? would disconnecting some unessential fans help? What is the max temp i should be reaching for both?
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Related resources
a b B Homebuilt system
June 8, 2009 1:08:30 AM

Can't find EVGA's power requirement data for your specific vid card, but EVGA GeForce 9600GT Low Power asks for 300W minimum, and e-GeForce 9600 GSO asks for 400W minimum.

As Bigblue says, you need to replace that as a first step. When you need lots of power for graphics, its just not there.
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a b B Homebuilt system
June 8, 2009 1:32:53 AM

Specific recommendation? If I wasn't interested in providing for the future, I'd grab a 450W minimum from a quality supplier. You can't SLI with your current mobo, but . . . well, its up to you.
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June 8, 2009 8:50:11 AM

Dang, I just peeked the card specs on NVIDIAs web site and that seems absolutely right. I've considered that being the problem before and I just used a PSU calculator to check for myself but I guess it must not have been too accurate. It will be a while before I can get a new one but I'm sure that is the problem. I feel pretty stupid for not double checking such an obvious cause. :p  Thanks for your help!
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June 8, 2009 1:57:24 PM

get a bigger psu that is way to low for your setup...
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June 8, 2009 7:15:28 PM

I've acquired a 450w PSU from a friend but a little thing that looks like a doughnut with wires wrapped around it has come out of some place. Im quite sure i can see where it belongs but it would require some novice welding. Do you think it would be a good idea to try to repair it or should i just not waste my time and just buy a new one?
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a b B Homebuilt system
June 9, 2009 12:45:32 AM

My dad was an electrician, taught me a lot, I designed and built a few boards for automated model trains/PC interface . . . no, I wouldn't bother.

But that's just me.
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a b B Homebuilt system
June 9, 2009 12:51:39 AM

My dad was an electrician, taught me a lot, I designed and built a few boards for automated model trains/PC interface . . . if you don't know what capacitors can look like, and how they can hurt you *bad* even with the plug out of the wall . . . no, I wouldn't bother.

But that's just me.
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Anonymous
a b B Homebuilt system
June 14, 2009 10:18:20 PM

The Solution :

the problem that causes the shutdown is an option in the Bios Setup.

enter the Bios Setup and under section "PC Health" you will find a temperature warning option. usually it is set to default 60 degrees. and instead of giving you a warning it shuts down the PC. so raise it to 70 for example and it will work!

i believe the CPU gets heated to 60+ in games and that causes the shutdown.

hope that helps!
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June 23, 2009 8:52:52 PM

Yes! That seems to have fixed the problem! Thanks a lot I didn't know what else to do. How did you know it would fix it?
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