Boot up problems with an HP a500n

Hewlett-packard / A500n
January 13, 2009 at 12:06:51
Specs: Windows XP, Athlon XP 2800+, 512MB

I am having an issue with an HP a500n desktop. On start up in the morning, it was booting into windows, showing the desktop, then rebooting. It would do this about 4 times and then start up normally. After that, throughout the day, it was fine rebooting until it was off overnight again.

I ran AVG, spybot, malwarebytes, and combofix. It was running considerably faster, but still hung up on boot in the mornings- just froze, didn't reboot itself.

So, yesterday I wiped the drive and reinstalled Windows from the HP recovery disks. Removed all the bloatware fluff- trialware games, etc- and it ran great. This morning, it froze on start up a couple times before booting, and is giving a Dr. Watson Debugger error.

I'm wondering if it's a bad HDD- should I run a low level to search for bad sectors? I've never encountered an issue like this on initial start up, which after finally booting once, didn't happen again until sitting overnight, off.

Any ideas would be greatly appreciated.

Thank you!

PS- After the reinstall of everything, I tried installing AVG free 8.0 It kept on telling me I was not using a new enough version of Windows- even though XP Home SP 2 was installed- so I just installed Avast.

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January 13, 2009 at 14:59:56
There is most likely a poor connection in the box. All materials expand when warmed and shrink when cooled. This can cause a poor ocnnection to open up when the box cools down overnight. As the box warms up the connections can make again. This connection can be in a cable connector, or even inside an electronic component. I would suggest removing all power from the box and carefully remove each connector a bit and then re-insert it (maybe even more than once). That will often restore the connection.

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