If that doesn't work, try to re-set the NIC. This post may help,
Solved: Limited connectivity with ...Solved: Limited connectivity with Vista notebook ... A135-S4427 Satellite notebook that was just released with Vista Home Premium, ...
http://www.chicagotech.net/netforums...opic.php?t=246
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
"MGbassace" <MGbassace@discussions.microsoft.com> wrote in message news

609384B-87E7-4EE9-8A44-CF84337797E2@microsoft.com...
Some of us are experiencing similar problems especially when connecting to
the internet and have to diagnose and repair or renew ip to get it to work,
on you network adaptors properties under tcpip, take the tick from out of the
box for tcpip v6 and it might solve your problem.
MBG
"Char_Aznabule@Windows Vista" wrote:
> My adapter is uLi M526X....
> It just can obtain limited connectvity after every restart
> so everytime i need to enable and disable network components in order to try
> to make it working
> Does my network adapter have problem, or M$ vista's probleem?
>