Windows 7 won't shut down - help!

Just installed Windows 7 RC1. I have a dual boot system with XP and Win7.

I can't seem to shut down Windows 7. I tell it to shut down, it goes through all the shutdown processes happily, it blanks my monitor, but the disks whir down but the machine does not stop. Nothing actually powers down.

I've tried messing around in the BIOS, uninstalling unnecessary stuff, but nothing seems to help. All I have on are my sound drivers (soundblaster X-Fi Elite Pro), graphics card (Nvidia 8800GTS), and Office 2007. I also have some Syncrosoft drivers installed for my audio dongle, too. Everything else has gone.

Has anyone else had this problem? I should point out that WinXP works fine, and WinVista (which I've deleted and overwritten with Win7) never had any problems,

I've taken off my antivirus software, too, but that hasn't helped.

There are 2 solutions so far to this problem found at Frustrated by Shutdown & Restart Hangs

Hope this helps.

I think I may have found the cause, but not the solution.

People with ASUS P5B motherboards, or variants of this board, have said that they have had the same problem in Windows 7. I have a P5B myself, and the symptoms are all identical: the machine seems to power down, except that the fans keep spinning and the lights stay on.

I have the latest non-Beta BIOS for the board.

If anyone out there has a P5B variant please let me know what you've experienced with your board and windows 7. Has anyone actually not got this problem with a P5B? If so, what are your BIOS settings?

Thanks,

Dan

Hi, I am using a P5B-E motherboard and I am having the exact same problem as you.

The annoying thing is that I'm not sure ASUS are aware of it. I should probably report the issue to them, but I'm no technical expert. I've also heard they won't support Windows 7 until it comes out as a final retail product, which means we have to rely on Microsoft to fix this issue for the time being.

I know there's a Beta BIOS out there for the P5B boards - has anyone installed that? Does it solve the problem?

It too have the same problem and use P5B Asus m/b
Please let me know if anyone finds a solution.

I've got this exact same problem. Except I have an Asus M2N32-SLI Deluxe motherboard. So it looks like it's not only limited to P5B boards. But it seems Asus generally might have an issue.

Same here, ASUS mobo... slightly different model.

Ive got an P5ND2-SLI and it's exactly the same outcome. Cannot shutdown, cannot restart, cannot sleep. The indignity - I have to actually physically move myself over in front of the little round pushy in thing (before people had remotes these things were referred to as power buttons...) and hold it in till the beast stops purring...

Asus M3N78-EM does the same! Or allmost. When pressin Shutdown button. Windows loggs off and freezes at the "Shutting Down" screen.
Sometimes it give's blue screen after few minutes. It complains something about USB driver...

Windows is 7 RC buit 7100.

P5B-E and Windows 7 RTM. No power-down. Dual boot with Vista Ultimate and Vista shuts down fine. Windows 7 has always done this for me on this motherboard only. All other systems I have running Windows 7 shut down properly... I will find a fix for this.