Jon

<Chuck> wrote in message news:sr9543turbblvhukkgl6679b9k6oe8j3fo@4ax.com...
>I generally switch my PC on when I get up, then go off and make a cup
> of cofee and come back to complete the log-on when I'm ready.
>
> I have Vista Home Premium - booted via BootitNG.
>
> Very often, when I come back to the machine, the disk is undergoing a
> great deal of activity - even though I have not yet entered my
> password to Log on.
>
> I do have indexing switched on - but as I haven't actually entered
> Vista yet, surely that can't be active??
>
> Obviously as I am not in the O/S yet, I can't do any diagnostic work
> such as checking task manager etc.
>
> What on earth can it be doing??
>

Could be a number of things. It may be defragging your drive in the
background, collecting performance information (eg for the reports you see
in 'Reliability and Performance Monitor'), or Windows Defender running a
spyware scan....

When Windows notices that your computer is idle, then it takes the
opportunity to run a few background tasks for general housekeeping etc.

--
Jon