[ubuntu] No Wireless

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http://ubuntuforums.org – I've been through the many posts with this same problem and applied the recommended fixes but still no good: Compaq Presario c500. Installed Ubuntu 12.04 LTS - everything working except wireless. Info from terminal: 06:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01) I did the: sudo apt-get install b43-fwcutter firmware-b43-installer and rebooted, but still no wireless. Also - the wireless button will not activate when I press it. If I log off and start windows I can get it to work. Eventually want to delete windows. Plea (Hardware)