我是 Linux 新手，上周四我在一台旧笔记本电脑上安装了 Lubuntu，使用该系统感觉还不错。但昨晚当我正常使用它时，WiFi 突然停止工作，我无法恢复。WiFi 图标在那里，但没有显示任何可用的网络。
以下是一些常见的输出：
rfkill list
1: phy1: Wireless LAN
Soft blocked: no
Hard blocked: yes
2: phy2: Wireless LAN
Soft blocked: no
Hard blocked: no
lspci -knn | grep Net -A2
07:00.0 Network controller [0280]: Qualcomm Atheros AR928X Wireless Network Adapter (PCI-Express) [168c:002a] (rev 01)
Subsystem: Accton Technology Corporation AR928X Wireless Network Adapter (PCI-Express) [1113:c822]
Kernel driver in use: ath9k
Kernel modules: ath9k
dmesg | grep ath
[ 36.020507] ath: EEPROM regdomain: 0x60
[ 36.020521] ath: EEPROM indicates we should expect a direct regpair map
[ 36.020530] ath: Country alpha2 being used: 00
[ 36.020534] ath: Regpair used: 0x60
[ 39.324340] ath9k 0000:07:00.0 wlp7s0: renamed from wlan1
请帮忙