Comment 2 for bug 709694

Absolutely unable to connect to any wireless and unable to install the package :

sudo apt-get install linux-backports-modules-wireless-lucid-generic
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help resolve the situation:

The following packages have unmet dependencies:
  linux-backports-modules-wireless-lucid-generic: Depends: linux-backports-modules-compat-wireless-2.6.34-2.6.32-28-generic but it is not installable
E: Broken packages
sudo apt-get install linux-backports-modules-compat-wireless-2.6.34-2.6.32-28-generic
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package linux-backports-modules-compat-wireless-2.6.34-2.6.32-28-generic is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package linux-backports-modules-compat-wireless-2.6.34-2.6.32-28-generic has no installation candidate