I've just installed 12.04 in a dual boot with Vista via a LiveUSB. When I booted to the LiveUSB wired networking worked out of the box, and wireless networking didn't work. Now that I've installed 12.04 on a partition on the harddrive I can't get wired or wireless networking to work.
Any suggestions as how to how I should go about fixing this? The output of sudo lshw -C network is:
*-network
description: Network controller
product: BCM4311 802.11b/g WLAN
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:0c:00.0
version: 01
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=wl latency=0
resources: irq:17 memory:fe8fc000-fe8fffff
*-network UNCLAIMED
description: Ethernet controller
product: BCM4401-B0 100Base-TX
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:03:00.0
version: 02
width: 32 bits
clock: 33MHz
capabilities: pm cap_list
configuration: latency=64
resources: memory:fe5fe000-fe5fffff
Additional Drivers sometimes offers to install the wrong drivers! Please open a terminal and do:
sudo apt-get remove --purge bcmwl-kernel-source
sudo modprobe b44
Now your ethernet should be working. Hook it up and do:
sudo apt-get install linux-firmware-nonfree
Upon reboot, both should be working fine.
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