! Network help in LE 2005 (DVD) !

please help !...

I am running a dual boot system with linux(mandriva LE 2005) and windows xp. I have a router which i use to connect to the internet and all the other PC's in my house.

in windows xp my network runs fine and i can connect fine to the different PC's and the net.
in mandriva i setup the network with the same settings from xp (same ip,DNS,gateway etc..) but i cannot use the internet or see any other pc's !!

PLEASE HELP !!

(if u need any more info just ask!)

can somebody pleaseeeee help me !!?? :oops: :cry: