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Ubuntu 14.04 wifi无法正常工作联想G560

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Ubuntu 14.04 wifi无法正常工作联想G560

我有一台联想 G560。无法连接 Wifi。我试过其他线程，但都不起作用，请使用 Ubuntu 14.04 提供帮助。我将提供解决问题所需的任何输出。

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

系统配置

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

答案1

linux-firmware-nonfree通过电缆 安装包：

sudo apt-get install linux-firmware-nonfree

然后重启：

sudo reboot

Enter

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