wifi 不工作,联想 G50-70

wifi 不工作,联想 G50-70

我刚刚安装了 UBUNTU 16.04 LTS/

我的无线网络有问题。

我无法在笔记本电脑上启用 wifi。我有联想G50-70。

iwconfig
enp1s0    no wireless extensions.
lo        no wireless extensions.

的输出sudo lshw -C network是:

*-network
UNCLAIMED

网络管理器已经是最新版本(1.2.6-0ubuntu0.16.04.2)。

它只向我显示蓝牙,没有显示任何有关无线的信息。

rfkill list all
1: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

我的这台计算机上也有 Windows 8.1,并且 wifi 工作正常。

lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Haswell-ULT DRAM Controller [8086:0a04] (rev 0b)
00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b)
00:03.0 Audio device [0403]: Intel Corporation Haswell-ULT HD Audio Controller [8086:0a0c] (rev 0b)
00:14.0 USB controller [0c03]: Intel Corporation 8 Series USB xHCI HC [8086:9c31] (rev 04)
00:16.0 Communication controller [0780]: Intel Corporation 8 Series HECI #0 [8086:9c3a] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation 8 Series HD Audio Controller [8086:9c20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 3 [8086:9c14] (rev e4)
00:1c.3 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 4 [8086:9c16] (rev e4)
00:1d.0 USB controller [0c03]: Intel Corporation 8 Series USB EHCI #1 [8086:9c26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation 8 Series LPC Controller [8086:9c43] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] [8086:9c03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation 8 Series SMBus Controller [8086:9c22] (rev 04)
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
02:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)`
lspci | grep -i wireless

我没有得到任何回应。

lspci
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
02:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)

供应商名称:

product: BCM43142 802.11b/g/n
vendor: Broadcom Corporation

我发现:适用于 Windows 7(32 位、64 位)的 Broadcom BCM43142 无线 LAN 驱动程序 (802.11b/g/n) - 笔记本

https://support.lenovo.com/pl/en/downloads/DS033286

答案1

首先,找出您的无线接口的供应商和型号:

lspci | grep -i wireless

知道供应商的名称后,您可能可以使用它apt-get来安装所需的固件(简单的方法),或者您必须进行一些谷歌搜索才能获取内核模块并自己插入它(modprobe命令)。

联想笔记本电脑/硬件通常很容易设置 Linux。

另外,请百分百确定无线接口的电源开关没有关闭!

答案2

sudo apt install --reinstall bcmwl-kernel-source

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