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Random automatic rebooting.

Last response: in Components
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July 21, 2008 7:41:19 PM

Hi there

This is my first topic on Tom's and I was wondering if someone could help me out.

Sometimes I'll be just surfing the net or looking at my data and my computer will reboot without warning. Ths has happend twice since I got my new box 2 weeks ago. Also, I've had an issue twice where my computer would shut itself off on it's own and I was unable to turn it back on for a good 3-4 minutes.

All my specs are listed below so has anyone encountered this before? Is this a software or hardware related issue?

Thanks for any help.:) 
July 21, 2008 8:08:25 PM

I happend to me on much older system.
It may has something to do with the mobo or the power supply.
The problem was also solved by using errorsmart and registrysmart - but i can't explain how.
July 21, 2008 8:15:17 PM

The rebooting is most likely caused by 2 things:

an error (flaw) in the memory (1 or 2 bad sticks), try taking one out and running it if you have 2 sticks, if it reboots, swap it for the other one.

The other likely possibility is that the power supply is bad power supply.
Especially with the rebooting.
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July 21, 2008 8:25:21 PM

Could be one of three things:

Bad RAM (you'd be more likely to bluescreen though)
Not enough power (what size PSU do you have?)
Overheating (sounds closer to your syntoms, especially the not being able to restart for several minutes).

Check to make sure your heatsink is making good contact with the CPU, use core-temp to check your temps, run memtest86 to check your RAM.

Thats all I can say until I see your system specs.
July 21, 2008 10:01:26 PM

royalcrown said:
The rebooting is most likely caused by 2 things:

an error (flaw) in the memory (1 or 2 bad sticks), try taking one out and running it if you have 2 sticks, if it reboots, swap it for the other one.

The other likely possibility is that the power supply is bad power supply.
Especially with the rebooting.


I'll try the ram thing but I'm leaning more towards PSU because of what the guy said about blue screen. I had a ram issue a few years back and it was always blue screen related.
July 21, 2008 10:02:45 PM

gamerk316 said:
Could be one of three things:

Bad RAM (you'd be more likely to bluescreen though)
Not enough power (what size PSU do you have?)
Overheating (sounds closer to your syntoms, especially the not being able to restart for several minutes).

Check to make sure your heatsink is making good contact with the CPU, use core-temp to check your temps, run memtest86 to check your RAM.

Thats all I can say until I see your system specs.


Hmmm, I'm thinking cooling perhaps because all I have for cooling is the fan in the PSU and the fan and heat sync for the cpu. Other than that I don't have any fans in the case and it's a smaller case. I guess I should get a fan that pushes and another that pulls air in and out of the case to get better performance.
July 21, 2008 11:54:16 PM

with no case fan at all, it's a good possibility about heat then...
a b ) Power supply
July 22, 2008 12:42:45 AM

Off for 3-4 min sounds like the psu's overload/overheat protection is kicking in. Maybe the PSU is faulty.
July 22, 2008 12:55:46 AM

nukemaster, I was just thinking thermister too...because ALL that heat would be goin thru the ps....good call, u beat me !
July 22, 2008 2:28:34 AM

Hehe, thanks to you both.:) 
!