In Additional Drivers , it shows " Using Broadcom 802.11 Linux STA wireless driver source from wireless-bcm-43142-oneiric-dkms (open source) ".
When I type iwconfig in terminal , it shows "iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
"
Screenshot >> https://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-ash4/486200_4752913934...