之前 wifi 在 ubuntu 13.04 lenovo g580 笔记本电脑上无法使用,然后我安装了一些软件包,重新启动了系统。然后所有设置/网络中都没有 wifi 设置。之前它显示断开连接,但现在甚至连这个都没有显示。这是我的网络属性
av@av-Lenovo-G580:~$ ifconfig
eth0 Link encap:Ethernet HWaddr b8:88:e3:8a:95:06
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:130652 errors:0 dropped:37 overruns:0 frame:0
TX packets:8867 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:19859927 (19.8 MB) TX bytes:1388221 (1.3 MB)
Interrupt:16
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:687 errors:0 dropped:0 overruns:0 frame:0
TX packets:687 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:75625 (75.6 KB) TX bytes:75625 (75.6 KB)
av@av-Lenovo-G580:~$ sudo lshw -class network
[sudo] password for av:
Sorry, try again.
[sudo] password for av:
*-network
description: Ethernet interface
product: AR8162 Fast Ethernet
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:01:00.0
logical name: eth0
version: 10
serial: b8:88:e3:8a:95:06
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=alx driverversion=1.2.3 firmware=N/A latency=0 link=no multicast=yes port=twisted pair
resources: irq:16 memory:90500000-9053ffff ioport:2000(size=128)
*-network UNCLAIMED
description: Network controller
product: BCM4313 802.11b/g/n Wireless LAN Controller
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:02:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: memory:90400000-90403fff
答案1
请建立临时的有线以太网连接并打开终端并执行以下操作:
sudo apt-get install linux-firmware
sudo modprobe brcmsmac
断开以太网。你的无线现在能用吗?如果没有,请查看日志以寻找线索:
dmesg | grep -e wl -e brcm