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Dell Precision Workstation does not power off XP Pro

I have a Dell Precision Workstation that does not power off upon a shutdown. Windows XP Pro appears to go through the motions of a shutdown properly accept for the power off of the PC. Widows closes all open tasks and connections, my screen closes to energy savings mode but the PC remains on. If I boot up in safe mode the PC shuts down and powers off the PC. Its only when I boot up in normal mode I see this happen. Perhaps XP is having trouble shutting off one of the final processes. Any ideas as to what may be causing this?

johnb6767

Might wanna look in the logs for a userinit (think ) value, that will ssay something like...

An attempt by (INSERT NAME HERE) to power off the machine failed.

Does it recover from the failed attempt, or do you have to do a hard shutdown and reboot?

jahboite

I've seen similar problems which apparently were caused by graphics cards. Most annoying because there was nothing in any logs. It may be worth a try though, either roll-back your video drivers or try updating them. Take a backup before you try anything.

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wiglack

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LeeTutor

Take a look at this page, particularly the section called Powerdown Issues (the link to that section is on the left side of the page):

http://aumha.org/win5/a/shtdwnxp.htm
WINDOWS XP
SHUTDOWN & RESTART
TROUBLESHOOTING

nobus

i would test with another PS first, and also look for bad caps : www.badcaps.net

solidrumor

ASKER

My system closes Windows and powers off normally when I use windows in safe mode. Its when I use Windows in normal mode that the system will not power off. In normal mode the system appears to close Windows properly then it turns off my monitor (puts it in energy savings mode) at that point the system should turn off but it does not. This doesnt appear to be a hardware issue more so a failure of the signal to turn off the power supply when coming down from normal mode. What are the sequence of events that trigger the PC to shut off?

PUNKY

Delete hardware profile and create new one.