Windows XP randomly rebooting with no blue screen.

Archived from groups: microsoft.public.windowsxp.general (More info?)

"Ken Varn" <nospam> wrote:

> I have a 1 ghz Celeron system that has been running for several years
> now.
> Just within the past two weeks, Windows XP randomly reboots.
> Sometimes this
> occurs during startup on the Windows XP logo screen. Other times it
> reboots
> after XP has been fully started and has been up for awhile. The only
> thing that I can remember changing is applying the latest Windows
> Updates to XP in
> about the same time frame when the problem started happening. Not
> sure if it is related or not.
>
> I disabled the Automatic Restart option under System settings in hopes
> that I would be able to get a blue screen to give me some sort of
> indication as
> to what is happening. Unfortunately, it still reboots the same way,
> with no
> blue screen. The reboot occurs as if someone had pressed the reset
> switch.
>
> So far I have investigated the following, but nothing so far has
> turned up:
>
> 1. Ran a parity check on RAM. No errors found.
> 2. Copied the hard drive image to another hard drive. Problem still
> exists. Note, reboot never occurred during drive image copy under DOS
> using Ghost.
> 3. Check CPU temperature. It is running at ~114 deg. F. CPU temp
> warnings are currently off.
> 4. Let the system stay up with BIOS screen displayed. Reboot never
> occurred.
>
> The only thing I have not checked is the power supply, but I don't
> understand why the reboot only occurs when Windows XP is running or
> starting
> up. When I copied the hard drive under DOS, it never rebooted at all.
>
> Part of me thinks this is hardware (CPU or power supply), but I can't
> understand why the problem only exists when Windows XP is running.
>
> I am out of ideas. Please help!
>
You've done some good troubleshooting. I would swap out the video card
with a known-working one first and see if that solves the problem. If
not, then swap out the psu.

Malke
--
Elephant Boy Computers
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"Don't Panic!"
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