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Check whether your interface has the name eth0 by typing ifconfig -a. Probably it is named something like p1p1 now. If it is and you want it to be eth0, add biosdevname=0 to the boot options in your /etc/default/grub.


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From your wireless_script: b43-phy0 ERROR: Firmware file "b43/ucode15.fw" not found It appears that the installation of firmware has failed. With the ethernet connected and an internet connection, please do: sudo apt-get install linux-firmware-nonfree sudo modprobe -r b43 sudo modprobe b43 It should now be working. There should be no need to enter ...


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Please temporarily connect the ethernet and with a working connection, do: sudo apt-get install linux-firmware-nonfree Reboot. If it is not working, post the entirety of the wireless script again.


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Have you tried opening "Additional Drivers" to see if there was a non-free driver available? If so try enabling that. I know this has worked for me on friends' laptops with Broadcom wireless cards before but I'm not sure if any of them had the same model you have. It's worth a shot, though. If that doesn't work I would just stick with 12.04 for the time ...


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Please do: sudo apt-get purge bcmwl-kernel-source sudo apt-get update sudo apt-get install linux-firmware-nonfree Reboot


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sudo apt-get purge b43-fwcutter firmware-b43-installer Download the b43updated.zip file to a usb flash drive then drag and drop the file to your ubuntu desktop. Right-click it and select Extract Here. Open a terminal and do: sudo mkdir /lib/firmware/b43 sudo cp Desktop/b43_updated.zip/* /lib/firmware/b43 sudo modprobe -rv b43 sudo modprobe -v b43 if ...



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