You may want to check the security software settings. Or this post may help.
Please post back with the result.
Vista Internet Access IssuesVista can't access the Internet because of
TCP/IP settings Vista can't access the Internet because of security software
Vista drop the Internet connection ...
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
How to Setup Windows, Network, VPN & Remote Access on
"cyrus_e_t" <firstname.lastname@example.org> wrote in message
> I have a problem with my new vista home premium laptop. The internet
> worked for 2 days when I first bought the thing (5 days ago or so), but
> for the past two days, no dice.
> I have a netgear wireless router. My work laptop (xp) is on the same
> wireless network and working fine.
> The vista laptop does get onto the wireless intra net (prints to
> wireless network and access to wireless NAS device works).
> IP config on the vista shows
> IP as 192.168.1.4(Preferred) and the DHCP and DNS server as 192.168.1.1
> which is the router. this is the same output as the ipconfig on the xp
> machine which is working (except the ip is 192.168.1.5) My desktop is
> directly attached to the router (.2) the NAS is .230 and the print
> server is .105 so my network is a little crowded, but I dont understand
> why it wont access the internet with the new Vista machine.
> I can even ping google.com and yahoo.com from the vista laptop... but I
> cannot get firefox or internet explorer to get into the internet. Chat
> software also fails to function.
> Any ideas?