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My computer rebooted on its own...causes?

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My computer rebooted on its own...causes?

Old 01-14-04, 08:57 AM
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My computer rebooted on its own...causes?

I have Windows XP, this morning I surfed the web for a few minutes and while I was surfing Mozilla crashed. I got up and walked away and a few minutes later I walked by the room and I hear the startup music. I looked at the computer and it was finishing booting up. What would cause it to spontaneously reboot like that?
Old 01-14-04, 09:04 AM
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Are you overclocking?
Old 01-14-04, 09:08 AM
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Overheating or a bad power supply could cause that.
Old 01-14-04, 09:31 AM
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Also, if you don't have the security patches, you might have been hit by a worm, like the Welchia one from 3 months ago, which will cause XP to reboot spontaneously.
Old 01-14-04, 09:37 AM
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I don't overclock and my computer stays on 24/7. I just reinstalled XP over the holidays but I installed all the critical updates. I use a Linksys Router as my firewall but I am paranoid and my first thought was someone else rebooted the machine from outside. I use Norton Antivirus.
Old 01-14-04, 09:52 AM
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Power supply going bad. How old is the PC and is the case generic?
Old 01-14-04, 10:04 AM
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I just got the case about a week ago, so it could be a faulty power supply. It is a generic case but I got the 400 watt power supply.
Old 01-14-04, 10:22 AM
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If the computer just restarted, I'd think power supply. But having a program crash directly followed by a restart, that sounds more to me like an overheating issue.
Old 01-14-04, 10:26 AM
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I will monitor it and see if it does it again. Overheating would be odd. I have a XP2600+, but I also have 2 case fans.
Old 01-14-04, 10:36 AM
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Originally posted by Demontooth
I will monitor it and see if it does it again. Overheating would be odd. I have a XP2600+, but I also have 2 case fans.
I have an XP2600+ and FIVE case fans-- two in the front, two in the back, and one on the side. Plus two on my power supply, and of course one on the CPU and one on the GPU. So 9 fans in my case.
Old 01-14-04, 10:37 AM
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This appears to be unlikely, but it's interesting. The latest Microsoft patch (whichever one came out yesterday) appears to require a reboot, and Windows does so automatically. My web server auto-rebooted at 3am, and the machine I was on threatened to do so if I didn't cancel the notification in like 30 seconds... highly annoying!

- David Stein
Old 01-14-04, 11:08 AM
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Originally posted by Darren Garrison
I have an XP2600+ and FIVE case fans-- two in the front, two in the back, and one on the side. Plus two on my power supply, and of course one on the CPU and one on the GPU. So 9 fans in my case.
Wow, does it sound like a jet airplane?
Old 01-14-04, 01:43 PM
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Originally posted by Demontooth
Wow, does it sound like a jet airplane?
Yep, on hot days (the CPU fan has a termal sensor-- throttles itself up or down depending on the temperature of the CPU).

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