我无法启用 Wifi（按下启用按钮时没有任何反应），在 Wifi 设置中它说：
“未找到 Wi-Fi 适配器”
我在这里尝试了其他问题/答案中的几件事，但没有任何效果。如果这对答案有帮助，请在此处提供一些信息：
设备：联想 Miix 2 11
sudo lspci：
Network controller: Qualcomm Atheros AR9462 Wireless Network Adapter (rev 01)
sudo lshw -C network：
*-network DISABLED
description: Wireless interface
product: AR9462 Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0
version: 01
serial: 48:d2:24:8a:ea:e6
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
configuration: broadcast=yes driver=ath9k driverversion=4.18.0-16-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:18 memory:f0400000-f047ffff memory:f0480000-f048ffff
sudo lsmod | grep ath：
ath3k 20480 0
bluetooth 548864 12 btrtl,btintel,btbcm,bnep,ath3k,btusb
ath9k 151552 0
ath9k_common 36864 1 ath9k
ath9k_hw 475136 2 ath9k_common,ath9k
ath 36864 3 ath9k_common,ath9k,ath9k_hw
mac80211 794624 1 ath9k
cfg80211 663552 5 wl,ath9k_common,ath9k,ath,mac80211
在系统设置中，它显示 Wifi-Adapter 名称：
Qualcomm Atheros AR9462
编辑：
lspci -knn | grep Net -A3; rfkill list：
02:00.0 Network controller [0280]: Qualcomm Atheros AR9462 Wireless Network Adapter [168c:0034] (rev 01)
Subsystem: Lenovo AR9462 Wireless Network Adapter [17aa:3214]
Kernel driver in use: ath9k
Kernel modules: ath9k, wl
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: yes
2: ideapad_bluetooth: Bluetooth
Soft blocked: yes
Hard blocked: yes