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Help computer shuts off every 3 seconds

Forum Homebuilt Systems : General Homebuilt - Help computer shuts off every 3 seconds

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cory1234   12-02-2007 at 08:33:51 PM

Im trying to isolate my problem. My computer worked fine when I shut it off last night. When I woke up it kept restarting every 3 seconds. I reset the CMOS battery on the motherboard already. When I power it up, every fan runs on the inside. I disconnected the harddrive, tried different graphics card, still restarts. It restarts automatically over and over as well, I have to unplug the power before it stops.

Is this a motherboard problem or a PSU problem? I have an OCZ 850w powerxstream...I had a 600w Stealthxstream but something was wrong with that one. Motherboard is the gigabyte DS3R.

------------------------------ Q6600 @ 9x333, 500gb barracuda 7200.10
Gigabye DS3R P35, Evga 8800 gt
4x1gb Super Talent 800 3-3-4-8, OCZ 850w, Win 7 64

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sgtwally   12-02-2007 at 09:40:08 PM
- 0 +

I had the same issue, and posted the same questions.. I tested every last component, right down to every case cable and button.. afterwards I gave up , said screw it bought a new mobo .. ( which is usually the issue, that or the PS, anyways after removing the old mobo .. I noticed a couple motherboard capacitors were blown.. which obviously turned out to be my problem ..I recommned the mag light!

Reply to sgtwally
GuyAmI   12-02-2007 at 09:47:01 PM
- 0 +

Do you know if there were any power spikes, brown outs, black outs, odd power interruptions? Anything like that? Do you maybe have an extra power supply that you know is good that you could try out?

------------------------------ Quando Omni Flunkus Moritati
 Reply to GuyAmI
akhilles   12-03-2007 at 12:22:45 AM
- 0 +

Did you update bios?

It doesn't hurt to reseat everything but the cpu cooler. If it doesn't work, reseat the cpu cooler.

Reply to akhilles
cory1234   12-03-2007 at 07:36:55 AM
- 0 +

I didnt see anything wrong on the inside..it happened all the sudden. It shut down fine the night before with no problems.

------------------------------ Q6600 @ 9x333, 500gb barracuda 7200.10
Gigabye DS3R P35, Evga 8800 gt
4x1gb Super Talent 800 3-3-4-8, OCZ 850w, Win 7 64

Reply to cory1234
racegek   12-03-2007 at 09:36:56 AM
- 0 +

have to agree with sgtwally, happend to me twice , once on a mb and the other in the psu .

if the capacitors are blown you can replace them.

Reply to racegek
cory1234   12-03-2007 at 05:31:24 PM
- 0 +

How can I tell if the capacitors are blown on the MB?

------------------------------ Q6600 @ 9x333, 500gb barracuda 7200.10
Gigabye DS3R P35, Evga 8800 gt
4x1gb Super Talent 800 3-3-4-8, OCZ 850w, Win 7 64

Reply to cory1234
rgeist554   12-03-2007 at 05:46:10 PM
- 0 +

Look for the big round cylinders on the mobo. Usually wrapped in a black plastic with the silver top exposed. (There is usually an X or cross scored on the top of them) Check them for any doming (They should be completely flat) or any obvious damages.

 

Also, resetting the CMOS battery won't necessarily reset your BIOS. You need to read your manual about resetting them.

 

*edited for spelling*


Message edited by rgeist554 on 12-03-2007 at 05:46:58 PM
Reply to rgeist554
cory1234   12-03-2007 at 05:58:47 PM
- 0 +

Yeah, well I doubt that resetting the bios would have any affect because I've been running those bios for about 3 months with no problem.

I have had a problem with my first PS from OCZ in this computer..so I'm guessing the new one is the faulty piece again. Is there any way to check? I dont have a spare computer to put it in though.

------------------------------ Q6600 @ 9x333, 500gb barracuda 7200.10
Gigabye DS3R P35, Evga 8800 gt
4x1gb Super Talent 800 3-3-4-8, OCZ 850w, Win 7 64

Reply to cory1234
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