Right after one of those failures, go to a Command Prompt
and do a "ipconfig /all". Make sure the IP address assigned
to your computer is in the 192.168.x.x range instead of some
169.x.x.x number. Go here for a possible fix:
"BobC" <BobC@discussions.microsoft.com> wrote in message news
> When I turn on the computer it is connected to the internet via cable
> broadband connection. Many times, though, upon trying to connect with a url,
> Vista pops up and says it is offline and I'm given the option to connect.
> Most of the time doing so results in another pop up saying the attempt at
> connection has failed. This while I'm looking at all the modem lights on and
> the on line light blinking along as usual. Sometimes, I can do something
> else, like connect with the email successfully and then try the browser
> again, this time successfully. I would be surprised if there is anything
> actually wrong with the connection because this never ever happened when I
> used XP. Any suggestions would be very much appreciated. Thanks.