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Odd power off issue

post #1 of 24
Thread Starter 
So, this issue started a few weeks ago and has been getting worse... basic overview:

The problem: PC Shuts itself off at random intervals. Sometimes its during heavy use, others during web browsing, ect. I figured it might have been cooling, so I installed 3 120mm Intake Fans in the side panel... same issue. It does it without fault if I try to run Windows Assesment. It also happened once when I went to apply new video settings in a game.

Could it be the PSU? Video Card?

When it does this, if I try to boot right afterwards it does not work... I have to wait a few moments/mins to boot up again. I just installed an SSD, but I doubt that is it since this issues existed before the SSD.

Any ideas?
post #2 of 24
Thread Starter 
Got it to run through the Windows Assesment. I turned all fans to 100% including the CPU and Vcard fans. Even with this max setting, my CPU got to 50c under the load. Maybe this is an overheatting issue? This does not explain why it has done it during web browsing before however.

I have an AMD Phenom 1090T X6 with a stock cooler and arctic silver 5 compound. I have been planning on doing a water cooling upgrade, maybe this will push it along for me to buy the h100.

Another thing was my PSU voltages. I am getting 1.9v for the 12v rail and 3.2 for the 3.3v rail. Should I be concerned or are the numbers close enough to the normal to not worry?
post #3 of 24
Try running your system without the sidepanel and see if it powers off. If it does not, it most likely is a overheating issue.
   
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Beautiful Card, Plays Great
Msi GeForce GTX 560 Ti (Fermi) N560GTX-TI Twin Frozr II/OC Video Card
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post #4 of 24
Will need more information on the symptoms.

1) When you say it shuts down, does it "blue screen" or just the screen goes black and the fans and such are still running, or it just completely powers down

2)
Quote:
1.9v for the 12v rail
Is this a typo?

3) When you try to boot right after a crash, what is it doing? Fans spin and wont POST? Any BEEPS? Boots up without any display?
Edited by ComputerRestore - 5/3/12 at 9:05am
post #5 of 24
Thread Starter 
Quote:
Originally Posted by ComputerRestore View Post

Will need more information on the symptoms.
1) When you say it shuts down, does it "blue screen" or just the screen goes black and the fans and such are still running, or it just completely powers down
2) Is this a typo?
3) When you try to boot right after a crash, what is it doing? Fans spin and wont POST? Any BEEPS? Boots up without any display?
'

1) Completely turns off, no BSOD.
2) Ya, its 11.9v on the 12v and 3.2v on the 3.3v
3) It boots and, based on how long I wait, it POST up to a point and then shuts off again. Sometimes it makes it to the windows loading screen, sometimes it barely makes it to POST. This morning the PC has not shut itself off yet.

I reset the BIOS to default settings, nothing changed.

Current temps with 100% power fans:

CPU: 39c
MB: 27c
I plan to get a tool here in a min to see Vcard temp.
post #6 of 24
Thread Starter 
Just ran a stress test with Prime95. CPU got up to 66c before I stopped it and it never shut off, so I think I can rule out the CPU overheating. I am beggining to wonder if its my video card. Would it overheating cause the PC to shut off?
post #7 of 24
Quote:
Originally Posted by Zatrekaz View Post

'

Current temps with 100% power fans:
CPU: 39c

MB: 27c
I plan to get a tool here in a min to see Vcard temp.

This CPU temp could be normal with an Intel CPU and stock cooler. (Intel can run hotter than AMD)

The CPU does seem a "little" warm. But I'm going to have to say you seem to have a Power Supply issue. I'd recommend swapping it
out for a known good one and retest.
post #8 of 24
no but your PSU will
post #9 of 24
We can't help much without system specs.. it would be easier to pinpoint if you filled out your sig rig.

Anyway, seems like either an issue with the power supply supplying sufficient wattage/amperage or the voltage settings in the bios or for the GPU are wrong for one reason or another.

Are you running everything stock? If not, disable any overclocking for now.

Do you have a lower power GPU than the one you're currently using, or integrated graphics you can test with for now - to see if it's a problem with the power supply? How about a different power supply to test with?

It's possible that it can be an issue with the motherboard also - is it new? Has anything changed int he system hardware wise recently?
post #10 of 24
Thread Starter 
Specs:

AMD Phenom 1090T BE X6 3.2Gzh
16GB DDR3 Corsair Vengeance Ram
ASUS M5A97 AMD Motherboard
GeForece GTS260 x16
1TB SATA3 HDD
120GB Muskin SATA3 SSD

No overclocking, stock cooler...

The only major changes lately was the new case and SSD, however this problem exisited before these upgrades. Oddly enough, today the issue is not happening like it was last night. Its very sparatic. I don't really have another PSU or Video Card to test with. The only other equipment I have around here is very outdated as compared to this equipment.

Been running another stress test for the past 10mins or so and the temp just hit 65c on the CPU again. GPU (not being taxed at all atm) is at 37c and MB is at 25c.

So the issue may be in the PSU you think?

Current voltages:

Vcore ---1.344v
3.3v --- 3.288v
5v --- 5.078v
12v --- 11.994v
VDDA --- 2.520v
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