Installed 12.04 on dell inspiron 5420. wired connection is working however wifi and bluetooth connection does not work. In fact I can't see wlan0. Can I know the correct driver to install?
Never used Ubuntu before but fancied trying it out.
Installed Ubuntu 14.04.2 LTS on a 10yo dell Inspiron laptop.
Wifi was working on windows 7 yesterday but after getting rid of windows and solely installing Ubuntu on it it sometimes allows Ethernet connection but I have no list of wifi networks at all.
My laptop (Dell Inspiron 17R 5720) came with preinstalled Ubuntu 11.10. I removed it and installed 12.04. Now I can't find driver for wireless. Apparently, in 11.10 there was Broadcom-STA driver. But in 12.04 there is no additional drivers to install. I tried using: