[ubuntu] Ethernet Adapter Not Responing

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http://ubuntuforums.org – Hello, I have a Dell XPS M1210. Ethernet adapter seems to be Broadcom Corporation BCM4401-B0 100Base-TX (rev 02). When connect an ethernet wire with internet access, there seems to be no response whatsoever (lights on adapter itself not working and no connection established), whereas with same computer on Windows operating system (I used to have windows and switched to Ubuntu) adapter and connection worked fine. Here is output of: ~:$ lspci | grep -i eth Broadcom Corporation BCM4401-B0 100Base-TX (rev 02) ~:$ ifconfig eth0 eth0 Link encap:Ethernet HWaddr 00:18:8b:a4:7d: (Hardware)