xp keep rebooting

Try to start windows in safe mode then run cmd and type sfc /scannow.
If it doesn't help, repair system from isntall CD.

In addition to above suggestions from helpdinder, during boot>F8>Last Known Good Configuration can also be tried.

Did you performed memory test using Memtest86+, to perform this test download UBCD (www.ultimatebootcd.com) and run the memory test?

Sudeep

You might have to repair Windows XP.

Interesting comment. I've repaired a great many systems with boot issues that were caused by corrupted mbr's. It is a valid, reliable, and excepted repair process. A repair install WILL NOT fix a bad mbr and chanes are that doing a repair install will not fix this type of reboot issue.

but what do I know... I've only been doing this for 15 years.

Hmm, it would be neat to take a conversation about this offline but I can't seem to figure out how to send messages to users using this webpage. In the interest of comparing notes; I've been doing this for 10 years and I've only had it ruin stuff.

If something starts booting to Windows then doesn't boot all the way, it seems to me that the POST had completed, and it consulted the mbr correctly already, tried to boot to windows then failed. How could a mbr be responsible for an attempted but failed bootup? Does the bootup procedure regularly consult the mbr? I didn't think so but I could be wrong.

Also, how do you typically diagnose a bad mbr absolutely? Process of elimination? I've never had that command fix anything if the computer is already attempting to boot Windows....

Thoughts encouraged.

-Jeff

jeffie for discussions, open a Q in the lounge, and invite who you want to it

As for the problem, it can come from different sources - hardware and soft
the power surge can have destroyed hardware - best rin some diags if you want to be sure.
i recommend RAM and disk Diag to be sure about the basics

thanks