我买了一台装有 ubuntu 12.04 的新笔记本电脑。直到昨天,我的无线连接都工作正常。现在突然根本检测不到。它也检测不到任何新连接。我的有线(以太网)连接正常。我试过 rfkill。它们都被解除了阻塞。
iwconfig 返回:
siddarthcr@SID:~$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
ifconfig 返回:
siddarthcr@SID:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 74:86:7a:3f:74:84
inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::7686:7aff:fe3f:7484/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:750 errors:0 dropped:0 overruns:0 frame:0
TX packets:814 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:391259 (391.2 KB) TX bytes:127493 (127.4 KB)
Interrupt:42 Base address:0x4000
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:178 errors:0 dropped:0 overruns:0 frame:0
TX packets:178 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:19962 (19.9 KB) TX bytes:19962 (19.9 KB)
wlan0 根本没有检测到:
siddarthcr@SID:~$ ifconfig wlan0 up
wlan0: ERROR while getting interface flags: No such device
siddarthcr@SID:~$ lspci -nnk | grep -iEA3 "(wireless|network)"
02:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01)
Subsystem: Dell Device [1028:020c
请帮忙...任何帮助都将非常感谢..
答案1
只需尝试运行 aptitude update,然后
从终端 Sudo aptitude升级
这修复了很多问题