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Computer turning off after period of inactivity

Leros

Leros

Lifer
This should be an easy fix. I must be missing something obvious here.

My PC turns off after a certain period of inactivity (I'm gonna guestimate about 30min). As far as I can tell my power scheme (in the screensaver setting tab) is set to leave everything running. I couldn't find anything in the BIOS. I have a feeling that I am missing something.

Anyone have any ideas?

Win XP Home w/ SP2
Gigabyte GA-K8NS Pro
AMD Athlon 64 3400+

Thanks

Justin
 
Nobody knows anything?

I was able to leave it running all night last night. I turned it off and back on this morning and it turned itself off after somewhere between 30-60 mins.

 
The computer. Everything connected to the PSU. It would be the same as pushing the off button on the case.
 
anybody 🙁

I upped the BIOS temperature turnoff to 90C (my BIOS reads it about 55-60C, it is surely less than that). Didnt help at all.
 
(Quote)
http://www.opentechsupport.net...ive/topic/22405-1.html

Dear Open Tech Support community,

Thank you so much for this series of posts and replies on computers that shut down randomly, boot up and shut down, etc. My husband has been experiencing this problem with his computer for several years. Last week he had to replace the hard drive because the computer would not boot up without immediately shutting down and the hard drive could not be partitioned for reformatting. Even with a new hard drive, however, the problem reappeared. After reading the posts on this page we considered several alternative possible explanations for the problem. Because he had long ago replaced the power supply and installed extra ram both of these became suspect. So - he removed the extra ram and the computer is now running perfectly. Of course the problem may reappear, but because we remember that the problems began right after installing the ram, we think that this is indeed the problem. Perhaps one of those ram cards is defective. Perhaps it is simply not able to work with the original ram in the computer (the same type but a different brand of ram). The computer had random shut downs for years. The recent catastrophic shut downs occurred shortly after installing service pack 2. Our local computer guru has suggested that service pack 2 is less accepting of mixing different brands of ram ... that accept data at marginally different rates, etc. Whatever the case, the computer is now running perfectly. If you are having random shutdown problems carefully consider your ram. You may have bad ram or different brands of ram that don't work together. Thanks again for this series of posts. They've been enormously helpful.
Does it shut off completely, or try to restart?

Could be:
PSU
Bad A/C power from wall
Bent CPU Pin
CPU fan intermittent
CPU not seated correctly
Power plugs loose on mobo

Balster worm

http://answers.google.com/answers/threadview?id=18292

 
damn.... I wanted to turn on that 'feature' on my machine and couldn't get it to work consistently

my kids keep leaving the machine on after they've played with it for 10 minutes... then it warms up the bedroom all night
 
I have Norton Antivirus configured to automatically scan in the background, so no viruses.

I have been on the computer for up to seven hours and it has never turned on while I have been on it. I have been able to leave it on over night or all day, but sometimes it does shut itself off.

I don think it has anything to do with defective anything because I have played HL2 with high settings for over two hours with no problems whatsoever. I would think that if it was a hardware problem, it would cause problems during high graphics gameplay.

Unfortunatly this isnt something that is easy to test because I have walked away from teh computer and come back 10 hours later and had it on. But I have also walked away from the computer and come back 30 minutes later and had it off.


 
On a hunch, I set up a webcam aiming at the CPU fan. 58 minutes after i left the computer, the cpu fan turned off. The computer turned off 2 minutes later.

I am not sure why yet, but I am hoping to find out.
 
Kinda sounds like some kind of hibernation kicking in. Because it is possible for a64 to run without the fan. Long as case airflow is ok. My 3000+ idles around 45C with the fan not running. Got an asus with the fan thing in bios enabled. Adjusts fan speed depending on the temperature.
 
Yeah, check BIOS settings. Cool and Quiet enabled? CPU fan warning, if the fan is shutting off, because it isn't needed, bios may be set to shut down if CPU fan isn't running..
 
Well the computer stayed on for about 2 minutes after the fan turned off. So, Im guessing that the reason it turned off was due to the CPU overheating.

I have the fan speed thing disabled. I figured it would be best to have the fan running 100% all the time (considering it is the quietest fan I have, its not much of a problem).

I do have Cool n Quiet enabled. Could this be turning the fan off? I would think that after the cpu got hot again, the fan would come back on.

As far as the CPU running ok without a fan. I dont know about the a64 3000+, but my a64 3400+ was really hot about three minutes after the comptuter turned off (so, it already had three minutes to cool off a little bit). I have a Zalman copper heatsink on it.

The BIOS does read the temperature incorrectly. According to the BIOS, when I start the computer the cpu is at around 45C. I highly doubt that my cpu is at 45C 10 seconds after being turned on. That maybe a problem, I dont knwo though.
 
Bios must have something about turning off if no fan is detected. Since if it was heat related those are usually set around 60C-70C. Plus most systems some type of alarm would sound.

Disable smartfan in the pc health status section of your bios. That's what changes the fan speed depending on temperature.
Seems you may have it enabled. You could enable the alarms also. Guess that's why you didn't get any alarm default is off.
 
Those gigabyte boards have hidden bios settings right? maybe you missed something in there? CTL+F1 i think access it.
 
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