prevent usb waking from sleep

[fitnessman]

every night i set my computer to sleep and then unplug the extnal HDD and the computer wakes up? is there any way to stop the power off of the external HDD from waking the machine? the same thing happens when i plug bit back in aswell

 

[Zen00]

I found this thread in the Vista Forums that may have some useful information for you.

How to turn off wake up on USB in Vista - Vista Forums

 

[fitnessman]

unfortunatly i had the same outcome as the guy in that thread, the checkboxes on all the usb option was blank and greyed out i even unchecked allow computer to power off aswell but still the same issue any other ideas?