I found out a way to make it work; I entered sudo apt-get install b43-fwcutter and after a restart, it works. this guide helped me
http://linuxwireless.org/en/users/Drivers/b43 -- Broadcom 4312 Not working in 9.10 (Kernel 2.6.30 restricted modules ?) https://bugs.launchpad.net/bugs/379052 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs