Ubuntu 14.04 wifi não funciona Lenovo G560

Question

Eu tenho um Lenovo G560. Wifi não se conectará. Eu tentei outros tópicos, mas nada funciona por favor ajude a usar o Ubuntu 14.04. Eu fornecerei qualquer saída necessária para ajudar a resolver o problema.

lspci -nnk | grep -iA2 net

05:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
    Subsystem: Broadcom Corporation Device [14e4:0510]
    Kernel driver in use: bcma-pci-bridge
06:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 02)
    Subsystem: Lenovo Device [17aa:392e]
    Kernel driver in use: r8169

iwconfig

eth0 no wireless extensions.

lo no wireless extensions.

wlan0 IEEE 802.11bgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=27 dBm
Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off

    

Answer 1

Instale o pacote linux-firmware-nonfree via cabo:

sudo apt-get install linux-firmware-nonfree

e reinicie:

sudo reboot

Digite