http://www.vistax64.com/tutorials/63...-problems.html
"Louis Rost" <louis@home> wrote in message
news:...
> Windows Vista home premium with SP2 and later fixes installed. No
> apparent malware detected by Microsoft Security Essentials,
> Malwarebyte, spybot.
>
> Hibernation is turned on. Checked all devices to ensure none have the
> "wake on" feature activated.
>
> When I select hibernate, the screen goes black for a few seconds then
> the logon menu is presented. Hibernation never occurs.
>
> Thanks for any suggestions.