gsw1074 brought next idea :
> I have a desktop that is connected to the Internet via a standard NTL
> broadband modem through the USB. This modem also has a Ethernet
> connection on the back. I have tried to connect my wireless router via
> a cat 5 cable to the modem (not sure if i'm in the right port though as
> I have the option of WAN or LAN?) and my laptop receives the wireless
> signal and connects but it won't connect to the internet? Any idea's???
> Beginning to loose hair over this now! 
>
> Any help would be much appreciated.
>
> Regards
>
> Glynn
Power down Modem & Router & PC
Cable Modem Ethernet Port ===> Router WAN Port
Router LAN Port ===> PC Network Interface Card
Power up Modem, wait, Router, wait, PC.
Start, RUN, type CMD, Return
Type IPCONFIG /ALL press return.
Look for IP address of Gateway (Your router)
Type Gateway's IP address into Internet Explorer address bar.
Log in to router. If you've not changed any passwords, search Google
for default login for your model.
Set up wireless.