ubuntu 12.04 無法開啟無線,解決辦法
1.在terminal裡面輸入ifconfig,將會看以下資訊(可能會有一些不同,沒有關係):
eth0 Link encap:Ethernet HWaddr 00:24:be:b8:2f:d3
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
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:16436 Metric:1
RX packets:304 errors:0 dropped:0 overruns:0 frame:0
TX packets:304 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:18672 (18.6 KB) TX bytes:18672 (18.6 KB)
2.在終端輸入rfkill list,你又會看到兩個資訊:
0: sony-wifi: Wireless LAN
Soft blocked: yes
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
輸入,rfkill help ,將會看到這個rfkill支援的命令:
help
event
list [IDENTIFIER]
block IDENTIFIER
unblock IDENTIFIER
輸入:
rfkill unblock 0
rfkill unblock 1
這是為了確保把以下這些都關上
0: sony-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
然後再開啟(無線)網絡卡:rfkill block 1
OK 可以無線網了