I am trying to connect to the internet via wired ethernet cable modem.  I am running Windows XP service pack 3 on Dell Inspiron 9400 Broadcom 440x 10/100 integrated controller.  The device is enabled and working properly.  I can access the internet via wireless fine but when I try local connection via ethernet cable I get the error that the IP address is all 0's.  My internet company has tested router and it is fine but they say it can't talk to my computer via ethernet.  I have uninstalled drivers and reinstalled no luck.  I have disabled the wireless still no luck.  I researched on the internet for a week and I can't figure out how to fix it.  Could someone please help.