"species8350" <not_here.5.species8350@xoxy.net> wrote in message
news:1176289831.930247.88830@y5g2000hsa.googlegrou ps.com...
>I see that there is an icon that says 'Lock this computer'
>
> I presume that on clicking this icon the computer will then not allow
> access.
>
> Before I click on this icon, How would I unlock the computer.

HAve you looked at windows help for "lock computer?"