I would check ant new firmware for the router and driver for NIC.
Vista Wireless IssuesVista: Common Problems with 802.11 Wireless ...
Inability to Connect and the wireless doesn’t receive the single. 1) It
could be the Wireless adapter driver ...
http://www.wifimvp.com/vistawireless.htm
--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"Mike B." <Mike B.@discussions.microsoft.com> wrote in message
news:68DC1983-D86A-48F5-94FD-EE56EA812000@microsoft.com...
>I recently installed a D-link DIR-615 router and I'm having the problem of
> being able to connect to the network, but not being able to access the
> internet.
>
> When I try to connect lately I get this message:
>
> Connection unsuccessful
>
> This computer is connected to *network name* but does not have access to
> the
> internet.
>
> I know I have the correct WEP key and good signal strength. I've tried
> changing the settings on the router, but so far I have made no progress.
>
> Ideas? (links, help, etc. all greatly appreciated)
>
>