When I first installed Mint 15 MATE it would not recognize the wireless card either. My machine is an Inspiron 1720 and I have a Broadcom router. When this machine ran VISTA, it recognized the router. Mint does not. Several people have tried to help me and so far I haven't been able to figure it out.
I went to the site indicated above and followed the steps exactly, starting with
lspci -vvnn | grep 14e4
Since I was already in Terminal I used the first 2 'sudo' commands mentioned. My machine ended up in the same place as mrllong's. A lot of code ran, then my Internet connection shut off, even though the ethernet cable was still in place. Rebooting the machine still resulted in no Internet connection, either from the wireless or the cable (which was still in place).
I had to re-install Mint just to get back where I was.
I am extremely new to the command line and about all I know are the 'pwd', 'cd', and 'ls' commands. So far I have wiped out VISTA (never to be seen again) and messed up Mint (re-installed) trying to fix this.
there a fix? Is this particular Inspiron just hopeless? Would another version of Linux work better? I understand the Linksys router is quite Linux friendly, so it must be something I am missing. Something simple, probably