- 硬件是 HP ProBook 4330s
- 软件是 Ubuntu 18.04.3 LTS
几天前突然WiFi适配器停止工作。
设置 UI 显示“未找到 Wi-Fi 适配器”
一些 CLI 说
chuck@jones:~$ lspci -knn | grep Net -A3; rfkill list
24:00.0 Network controller [0280]: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
Subsystem: Hewlett-Packard Company AR9285 Wireless Network Adapter (PCI-Express) [103c:1461]
Kernel driver in use: ath9k
Kernel modules: ath9k
25:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
1: hp-wifi: Wireless LAN
Soft blocked: no
Hard blocked: yes
2: hp-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: yes
3: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
chuck@jones:~$ sudo lshw -C network
[sudo] password for chuck:
*-network DISABLED
description: Wireless interface
product: AR9285 Wireless Network Adapter (PCI-Express)
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:24:00.0
logical name: wlo1
version: 01
serial: 74:e5:43:bc:ff:06
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath9k driverversion=4.15.0-64-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:19 memory:d4700000-d470ffff
chuck@jones:~$ uname -a
Linux jones 4.15.0-64-generic #73-Ubuntu SMP Thu Sep 12 13:16:13 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
chuck@jones:~$ iwconfig
wlo1 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=off
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
可能与最新的 Ubuntu 软件更新有关吗?还是旧硬件可能崩溃?如何解决这样的问题?
您的适配器被 阻止
rfkill
。在 HP 笔记本电脑上会发生这种情况。这些是修复它的步骤:确保您的笔记本电脑上没有硬件无线开关,如果存在则将其打开。
检查 BIOS 中的无线选项并启用它。如果您没有无线选项,请尝试将 BIOS 重置为默认值。
如果没有任何帮助,请通过在终端中运行将 HP 平台驱动程序列入黑名单:
并重新启动。