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When I booted from the USB key, it popped up a notification for additional drivers, and then it installed an ethernet driver so at least the ethernet cable worked. After I installed and booted from the hard disk, neither the ethernet port works nor the wifi adapter. The lights on the ethernet port are on. I go to System Settings > Additional Drivers and nothing is listed either.

lspci shows

03:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100 Base-TX (rev 02)
0c:00.0 Network controller: Broadcom Corporation BCM4311 801.11b/g WLAN (rev 01)

I found this answer (https://askubuntu.com/a/15014/276841) but the file says it is autogenerated and will be overwritten. It didn't work anyways, even after rebooting.

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Chloe
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1 Answers1

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I ran

sudo apt-get remove bcmwl-kernel-source

and let it run a few minutes. It locked up the terminal but after I rebooted, the ethernet port worked. Here are the instructions for wireless which I haven't tried yet. https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx

I used the open source drivers in the section b43 - Internet access. It locked up the computer when I tried the Switching Drivers section, but after rebooting, it worked.

Chloe
  • 153