我使用的是 ubuntu 16.04,如果我离路由器有点远,我的 wifi 就无法工作
我的卡是 Atheros QCA9565 / AR9565 (联想 G5070)
以下是我的设备设置:
wlp2s0 IEEE 802.11bgn ESSID:"ooredooE9BDC0"
Mode:Managed Frequency:2.412 GHz Access Point: A4:B1:E9:E9:BD:C0
Bit Rate=6.5 Mb/s Tx-Power=15 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=26/70 Signal level=-84 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:93 Missed beacon:0
输出lspci -nn | grep -i net
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
02:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01)
请帮助
答案1
我正在使用联想 Y50-70,它与适配器 QCA9565 有同样的问题
以 root 身份尝试
$modprobe -r ath9k
$modprobe ath9k nohwcrypt=1