我知道有很多这样的帖子,但是我找到的所有修复方法都没有效果。
我在 11.04 上遇到了这个问题,在无法修复它之后,我决定尝试 12.04,但这并没有解决问题。我使用的是联想 IdeaPad,网卡是 Atheros Communications AR9285。
编辑添加输出:
sudo iwconfig
lo no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"NETGEAR-PLOW"
Mode:Managed Frequency:2.437 GHz Access Point: E0:91:F5:7D:1B:BA
Bit Rate=65 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=66/70 Signal level=-44 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:77 Invalid misc:63 Missed beacon:0
eth0 no wireless extensions.
lspci -nnk | grep -iA2 net
06:00.0 Network controller [0280]: Atheros Communications Inc. AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
Subsystem: Lenovo Device [17aa:30a1]
Kernel driver in use: ath9k
--
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 02)
Subsystem: Lenovo Device [17aa:392e]
Kernel driver in use: r8169
谢谢
答案1
我发现这有效!
http://www.jrhenkelmann.net/index.php?option=com_content&task=view&id=34
勾选框未列为“预发布更新”,但更新选项卡上的所有框均已勾选