先生，我的 wifi 开关有问题
先生，请告诉我如何解决我的问题（wifi被硬件禁用）。
sudo lshw -C network 的输出是
sudo] password for sudheer:
*-network DISABLED
description: Wireless interface
product: BCM4312 802.11b/g LP-PHY
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:06:00.0
logical name: eth2
version: 01
serial: 00:21:00:72:3a:93
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=wl0 driverversion=5.100.82.38 latency=0 multicast=yes wireless=IEEE 802.11bg
resources: irq:19 memory:f4700000-f4703fff
*-network
description: Ethernet interface
product: NetLink BCM5906M Fast Ethernet PCI Express
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:07:00.0
logical name: eth0
version: 02
serial: 00:1e:68:ad:24:0b
size: 100Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.121 duplex=full firmware=sb v3.04 ip=172.16.52.79 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:47 memory:f4600000-f460ffff
iwconfig 的输出是
lo no wireless extensions.
eth2 IEEE 802.11 Access Point: Not-Associated
Link Quality:5 Signal level:0 Noise level:0
Rx invalid nwid:0 invalid crypt:0 invalid misc:0
eth0 no wireless extensions.
sudheer@sudheer:~$ sudo iwlistscanning
sudo: iwlistscanning: command not found
***sudheer@sudheer:~$ sudo iwlist scanning***
lo Interface doesn't support scanning.
eth2 Failed to read scan data : Invalid argument
eth0 Interface doesn't support scanning.
答案1
尝试使用命令。只需按下键盘上的Ctrl+ Alt+T即可打开终端。打开后，运行以下命令。
rfkill unblock all