cannot connect to internet on Ubuntu 10.04 LTS

[ahmed samir]

Dear All, 
I have been using Ubuntu 10.04 for more than one year now with absolutely no problems but I recently bought the new dell xps 14z and installed Ubuntu 10.04 to it. The problem is I can't connect to the internet in any way (wireless or wired connection). This means that no wireless networks are detected (I can't even switch wireless on and off  by right clicking on the network icon on the top right). I also can't connect by plugging in a cable because the cable is not detected when plugged in. I thought this was because this new network card is not automatically installed on this version of  Ubuntu (like I probably had with my old laptop). I tried installing the driver from the dell website but they only offer windows support (only found ".exe" driver files there). Is there a way to install the driver on Ubuntu or do I have to install the latest Ubuntu release and hope this solves the problem ?  Internet is functioning perfectly on windows 7 on the same machine.
I will REALLY appreciate anyone's help :) Thank you for your time.
Best regards,Samir
 		 	   		  
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