Assuming the default gateway is 0.0.0.0, you may want to use reset it by
using route delete 0.0.0.0 command to fix it. Or this search result may
help.
Vista Gateway is 0.0.0.0The solutions of Vista computer default gateway
0.0.0.0 are 1) reset it by using route delete 0.0.0.0 command; 2) Disable
IPv6; 3) install new firmware for ...
www.chicagotech.net/vista/gateway0.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
"Grand_Poobah" <> wrote in message
news:...
>I am trying to troubleshoot my daughter's desktop Vista computer. She has
>several other machines (XP and Vista) that are connected to her local LAN
>and workgroup. The problem computer is set to receive a DHCP address -
>which it gets - but then labels the connection as "Unidentified" and the
>Diagnose reports that it can't see the router. It cannot see any of the
>other computers either.
>
> The computer is set up as a Private network; network discovery ON; File
> Sharing ON; Public folder sharing ON; Printer sharing ON; Password
> Protected Sharing OFF; Media sharing OFF.
>
> When trying to customize the connection, she can NOT enter a name for the
> network. Text entered in the field will appear, but not "take". Manage
> Network Connections shows only one network and it is labeled
> "Unidentified".
>
> She has gone into the Router and checked the DHCP table - her problem
> computer is there. If she clears that entry out and reboots the problem
> computer it appears again. Obviously, the computer IS talking to the
> router, but just doesn't know it for some reason.
>
> All NIC drivers have been updated. The device has been removed from DM
> and rebooted to reinstall the latest drivers.
>
> She has tried giving the computer a static IP (outside the range of the
> DHCP assignment area) and that will not work either.
>
> This is a wired connection directly from the computer to the router port.
> Ports have been switched to see if one of them is bad and cables have been
> switched also.
>
> How is it possible for a computer to get a DHCP address from the router
> and then tell us that it can't see the router?
>
> GP