I install ubuntu 14.04 on my old laptop but wifi doesn't work and when i use fn+f2 keys for wifi nothing change. sometime when i boot xp and use wifi and boot ubuntu again wifi led still run but wifi doesnt work.
I can connect to net with ethernet cable I try some instruction in some site but nothing change like:
sudo apt-get remove --purge bcmwl-kernel-source
sudo apt-get install linux-firmware-nonfree
please help me sorry for my bad english.
lspci -knn | grep Net -A2
05:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
Subsystem: Dell Wireless 1390 WLAN Mini-Card [1028:0007]
Kernel driver in use: b43-pci-bridge
lspci -knn | grep Net -A2
terminal command. – Pilot6 Aug 14 '15 at 17:10