These two KB articles will probably help:
http://support.microsoft.com/KB/928152 http://support.microsoft.com/KB/943899
I think this is addressed with SP1.
"Michael Morin" <mpmorin@xxxxxx> wrote in message
news
BD7F954-921C-4188-A6B0-0055354225FA@xxxxxx
Quote:
> Has anyone had a problem with their wifi after logging back in from being
> away for a while? It won't connect or even detect any networks. If I
> restart the laptop it will connect properly. Is there anyway for it to
> work without restarting?
>
> M