l30@DV-Lappy:~$ sudo apt-get install linux-headers-$(uname -r|sed 's,[^-]*-[^-]*-,,') broadcom-sta-dkms
Reading package lists... Done
Building dependency tree
Reading state information... Done
broadcom-sta-dkms is already the newest version.
The following package was automatically installed and is no longer required:
  libreadline5
Use 'apt-get autoremove' to remove it.
The following extra packages will be installed:
  linux-headers-3.5.0-28 linux-headers-3.5.0-28-generic
The following NEW packages will be installed:
  linux-headers-3.5.0-28 linux-headers-3.5.0-28-generic
The following packages will be upgraded:
  linux-headers-generic
1 upgraded, 2 newly installed, 0 to remove and 357 not upgraded.
Need to get 13.1 MB of archives.
After this operation, 70.0 MB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://us.archive.ubuntu.com/ubuntu/ quantal-updates/main linux-headers-3.5.0-28 all 3.5.0-28.48 [12.1 MB]
Get:2 http://us.archive.ubuntu.com/ubuntu/ quantal-updates/main linux-headers-3.5.0-28-generic i386 3.5.0-28.48 [951 kB]
Get:3 http://us.archive.ubuntu.com/ubuntu/ quantal-updates/main linux-headers-generic i386 3.5.0.28.44 [2,474 B]
Fetched 13.1 MB in 9min 42s (22.4 kB/s)
Selecting previously unselected package linux-headers-3.5.0-28.
(Reading database ... 164703 files and directories currently installed.)
Unpacking linux-headers-3.5.0-28 (from .../linux-headers-3.5.0-28_3.5.0-28.48_all.deb) ...
Selecting previously unselected package linux-headers-3.5.0-28-generic.
Unpacking linux-headers-3.5.0-28-generic (from .../linux-headers-3.5.0-28-generic_3.5.0-28.48_i386.deb) ...
Preparing to replace linux-headers-generic 3.5.0.27.43 (using .../linux-headers-generic_3.5.0.28.44_i386.deb) ...
Unpacking replacement linux-headers-generic ...
Setting up linux-headers-3.5.0-28 (3.5.0-28.48) ...
Setting up linux-headers-3.5.0-28-generic (3.5.0-28.48) ...
Examining /etc/kernel/header_postinst.d.
run-parts: executing /etc/kernel/header_postinst.d/dkms 3.5.0-28-generic /boot/vmlinuz-3.5.0-28-generic
: Unable to find an initial ram disk that I know how to handle.
Will not try to make an initrd.
Setting up linux-headers-generic (3.5.0.28.44) ...