I have continually tried to put my brand new computer with windows vista into
"sleep" mode, the process begins and then all of a sudden the fans start to
begin rapidly and the computer goes back to the desktop.

The sleep function (S3 functions in the BIOS settings) is causing the
default action "Restart on Error" If you look at the Event Viewer you will
see the event. One easy way to look at that is to open a Command Prompt with
the richtclick 'run as administrator' option. Type the command :
perfmon /rel

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Mark L. Ferguson

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"Dan" <Dan@discussions.microsoft.com> wrote in message
news:5BFF4A1B-82C5-4830-AD87-B48C81F27509@microsoft.com...[color=blue]
>I have continually tried to put my brand new computer with windows vista
>into
> "sleep" mode, the process begins and then all of a sudden the fans start
> to
> begin rapidly and the computer goes back to the desktop.[/color]