Broadcom BCM4311/12/21/22 Hardware (STA driver):

Broadcom BCM4311/12/21/22 Hardware (STA driver):
NOTE: ASSUMES FRESH INSTALL. FOR LAPTOPS, ONCE THE SYSTEM REBOOTS AFTER INSTALL, REBOOT AGAIN
AND TOGGLE THE WIRELESS BUTTON (YES, IT COULD BE THAT EASY).

Plug into the network via cable:

1. IF WIRED CONNECTION WORKS:
   1. Open System -> Admin -> Update Manager
   2. Check for updates, install, and reboot
   3. After reboot, open System -> Admin -> Hardware Drivers
   4. Look for "Broadcom STA wireless driver";
      1. IF DRIVER IS PRESENT AND ACTIVATED:
         1. Remove network cable, toggle wireless button, and log into network.
      2. IF DRIVER IS PRESENT BUT NOT ACTIVATED:
         1. Activate and reboot;
         2. After reboot, remove network cable, toggle wireless button, and log into network.
      3. IF DRIVER IS NOT PRESENT:
         1. Open System -> Admin -> Synaptic Pkg Mgr
         2. Search for "bcmwl-kernel-source" (if not available, move to step 2)
         1. Right-click and mark for installation
         2. Apply changes and reboot.
         3. Repeat steps 1.3-1.4.2
2. IF WIRED CONNECTION DOES NOT WORK:
   1. From LiveCD (solution provided by jomtois here - edited for clarity):
      1. Open Sytem -> Admin -> Synaptic Package Mgr
      2. Ensure 9.10 LiveCD is in the drive
      3. In Synaptic Package Mgr, open Settings -> Repositories -> Ubuntu Software
      4. Check "Installable from CD-ROM/DVD" and close
      5. Reload (disregard connectivity errors)
      6. Search for "bcmwl-kernel-source"
      7. Right-click and mark for installation
      8. Apply changes and reboot
      9. Repeat steps 1.3 thru 1.4.2
   2. From LiveUSB:
      1. Navigate to pool -> main -> d -> dkms
      2. Run "dkms_2.1.0.1-0ubuntu1_all.deb"
      3. Navigate to pool -> restricted -> b -> bcmwl
      4. Run "bcmwl-kernel-source_5.10.91.9+bdcom-0ubuntu4_i386.deb"
      5. Reboot
      6. Repeat steps 2.1.6 thru 2.1.9 and 1.3 thru 1.4.2

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