Windows 7 No internet access while other vista computers have acces

[mERGER]

When i connected my computer this morning i could not connect to internet.
I can see all the computers and printers on the network but i have no internet access.
The other ppl at the office still have internet access, but they dont run Win7 RC. They run Vista or XP.

I have tried to access the internet both through my WLAN and the LAN.
If i connect my 3G card i get access.

The firewalls are all turned off.

Any tips or suggestion if very welcome!

 

[reghakr]

Hello and welcome to the windows7forums.

Go to Start > Run and type cmd.

Now type ipconfig /all and make sure you're grabbing the correct IP.

Try a ping to Google.com and see if you get a reply.

Check Internet Options > Connections tab > LAN Settings and verify that information is correct as well.