"dell-killer" <dellkiller@discussions.microsoft.com> wrote:

>howdy, I have a new wd passport 80 gig hd usb 2.0 hooked to an almost new
>dell d810, which seems to work ok but also seems to cause blue screen of
>death when shutting down or when the 'puter goes on standby, etc. The error
>code is 0x0000009F, driver power state failure.

See "Troubleshooting a Stop 0x9F Error in Windows"
(http://support.microsoft.com/?kbid=315249).