安装ubuntu之后无法搜索到wifi
发表于 : 2018-01-17 19:22
安装ubuntu之后无法搜到wifi信号,但是电脑可以连接有线网,附加驱动中有一个broadcom 802.11的开源驱动,通过iwconfig,发现没有wlan0这一项.
sudo lshw -numeric -class network
[sudo] password for liuze:
*-network
description: Ethernet interface
product: QCA8172 Fast Ethernet [1969:10A0]
vendor: Qualcomm Atheros [1969]
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 10
serial: 20:47:47:02:a3:bc
size: 100Mbit/s
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 duplex=full ip=49.140.197.117 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:31 memory:d8500000-d853ffff ioport:2000(size=128)
*-network UNCLAIMED
description: Network controller
product: BCM43142 802.11b/g/n [14E4:4365]
vendor: Broadcom Corporation [14E4]
physical id: 0
bus info: pci@0000:03:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: memory:d8400000-d8407f
以上显示 network unclaimed。是不是网卡驱动不行呀。
请大神说一下详细的解决步骤,谢谢 !
sudo lshw -numeric -class network
[sudo] password for liuze:
*-network
description: Ethernet interface
product: QCA8172 Fast Ethernet [1969:10A0]
vendor: Qualcomm Atheros [1969]
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: 10
serial: 20:47:47:02:a3:bc
size: 100Mbit/s
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 duplex=full ip=49.140.197.117 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:31 memory:d8500000-d853ffff ioport:2000(size=128)
*-network UNCLAIMED
description: Network controller
product: BCM43142 802.11b/g/n [14E4:4365]
vendor: Broadcom Corporation [14E4]
physical id: 0
bus info: pci@0000:03:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: memory:d8400000-d8407f
以上显示 network unclaimed。是不是网卡驱动不行呀。
请大神说一下详细的解决步骤,谢谢 !