galentanner@ubuntu:~$ rfkill list; ifconfig
eth0      Link encap:Ethernet  HWaddr 00:e0:b8:8d:42:ab
          inet addr:192.168.1.113  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::2e0:b8ff:fe8d:42ab/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:44 errors:0 dropped:0 overruns:0 frame:0
          TX packets:79 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:4831 (4.8 KB)  TX bytes:11784 (11.7 KB)
          Interrupt:18

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:89 errors:0 dropped:0 overruns:0 frame:0
          TX packets:89 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:7421 (7.4 KB)  TX bytes:7421 (7.4 KB)

galentanner@ubuntu:~$ sudo apt-get purge bcmwl-kernel-source
[sudo] password for galentanner:
E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem.
galentanner@ubuntu:~$ sudo dpkg --configure -a
Setting up bcmwl-kernel-source (6.30.223.248+bdcom-0ubuntu0.1) ...
Removing old bcmwl-6.30.223.248+bdcom DKMS files...

-------- Uninstall Beginning --------
Module:  bcmwl
Version: 6.30.223.248+bdcom
Kernel:  3.13.0-46-generic (x86_64)
-------------------------------------

Status: Before uninstall, this module version was ACTIVE on this kernel.

wl.ko:
 - Uninstallation
   - Deleting from: /lib/modules/3.13.0-46-generic/updates/dkms/
 - Original module
   - No original module was found for this module on this kernel.
   - Use the dkms install command to reinstall any previous module version.

depmod...........

DKMS: uninstall completed.

------------------------------
Deleting module version: 6.30.223.248+bdcom
completely from the DKMS tree.
------------------------------
Done.
Loading new bcmwl-6.30.223.248+bdcom DKMS files...
Building only for 3.13.0-46-generic
Building for architecture x86_64
Building initial module for 3.13.0-46-generic
Done.

wl:
Running module version sanity check.
 - Original module
   - No original module exists within this kernel
 - Installation
   - Installing to /lib/modules/3.13.0-46-generic/updates/dkms/

depmod..............

DKMS: install completed.