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Random Powering Off


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#1 LizardKing64

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Posted 24 August 2008 - 08:31 PM

Hi Everyone,
I've been having a problem with my computer and I'm just wondering if anybody has any idea of what could be causing it. I have an HP Media Center desktop that has had it's share of hardware problems. I just replaced the video card this month. Now I'm having a problem with the computer losing power at random during the day. It's like the tower just shuts off and then reboots like nothing happened. I had this problem before with the computer in a different room where the wiring was bad, so I bought an APC surge protector and battery back up thing. I have the computer plugged into the batter backup and yet it still loses power.

Short of trying to plug it into a different socket, I'm not sure what to do since I'm not all that experienced in diagnosing hardware problems. If anyone has any ideas, they'd be helpful! Thanks!
Best Regards,
Jeff


"Bart: I was so bored I cut the pony tail off the guy in front of us.
[holds pony tail to his head]

Bart: Look at me, I'm a grad student. I'm 30 years old and I made $600 last year.

Marge: Bart, don't make fun of grad students. They've just made a terrible life choice."

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#2 Budapest

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Posted 24 August 2008 - 08:39 PM

This type of rebooting behaviour is often caused by your computer overheating. I would recommend that you open your computer case and make sure all the fans are spinning okay and that there isn't an excessive amount of dust in there that would impede air flow. See the following Bleeping Computer tutorial for guidance on cleaning inside your computer.

Cleaning the Interior of your PC
The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#3 LizardKing64

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Posted 25 August 2008 - 11:06 AM

Thanks Budapest, I hadn't thought of that, though I have noticed the fan having to work really hard sometimes I opened it up and it was really hot inside. All the fans seem to be running fine, though the inside is a bit dusty. The PCU heatsink is especially clogged with crap. I'm on the way to get some canned air now to clean it out. Thanks for the advice.
Best Regards,
Jeff


"Bart: I was so bored I cut the pony tail off the guy in front of us.
[holds pony tail to his head]

Bart: Look at me, I'm a grad student. I'm 30 years old and I made $600 last year.

Marge: Bart, don't make fun of grad students. They've just made a terrible life choice."




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