Ubuntu 12.04 LTS Can\'t get wireless working on Dell latitude d620

Ubuntu 12.04 LTS Can\'t get wireless working on Dell latitude d620 References I was trying to get Ubuntu working on old laptop. I believed it\'s wireless driver issue. Output from a couple of commands: myhost@ubuntu:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.04.3 LTS Release: 12.04 Codename: precise myhost@ubuntu:~$ lspci | grp Network 0c:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01) myhost@ubuntu:~$ iwconfig eth0 no wireless extensions. lo no wireless extensions. Then I google it and found article to reinstall wireless driver at How to Install Broadcom Wireless Drivers So I did command sudo apt-get purge bcmwl-kernel-source (Done) and command sudo apt-get install bcmwl-kernel-source (Error as below lines) ... Loading new bcmwl-6.20.155.1+bdcom DKMS files... First Installation: checking all kernels... Building only for 3.8.0-29-generic Building for architecture x86_64 Building initial module for 3.8.0-29-generic Error! Bad return status for module build on kernel: 3.8.0-29-generic (x86_64) Consult /var/lib/dkms/bcmwl/6.20.155.1+bdcom/build/make.log for more information. FATAL: Module wl not found. FATAL: Error running install command for wl Any suggestion to fix it? Thanks First.