A quick fix is to type these commands in a terminal: $ sudo modprobe -r bt878 bttv $ sudo modprobe snd_bt87x $ sudo modprobe bt878
This bug is related to this one: https://launchpad.net/distros/ubuntu/+source/udev/+bug/29789
A quick fix is to type these commands in a terminal:
$ sudo modprobe -r bt878 bttv
$ sudo modprobe snd_bt87x
$ sudo modprobe bt878
This bug is related to this one: /launchpad. net/distros/ ubuntu/ +source/ udev/+bug/ 29789
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