RT wrote:
Does it simply spontaneously reboot, or does it give an error message first?

If the former, you may have a hardware problem. I'd start by testing the RAM
to make sure it isn't flawed. Here are a couple of RAM testers:

DocMemory
http://www.simmtester.com/page/produ...c/download.asp

Windows Memory Diagnostic
http://oca.microsoft.com/en/windiag.asp

--
Jim Eshelman
MS-MVP, Windows Shell/User
http://aumha.org/
http://WinSupportCenter.com/

"Jim Eshelman" <newsgroups@aumha.org> wrote in message
news:u0k0RfwYDHA.2960@tk2msftngp13.phx.gbl...
also the inside of the computer might be dirty-I've seen a lot of problems
solved by a good cleaning-max