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未找到 Wi-Fi 适配器 Ubuntu 18.04.2 Dell 3530

tag-icon • tag-icon iwlwifi
未找到 Wi-Fi 适配器 Ubuntu 18.04.2 Dell 3530

WiFi 设置中显示“未找到 Wi-Fi 适配器”消息。我无法连接或查看任何 WiFi 网络。

$ uname -r
4.18.0-25-generic

$ nmcli device status
DEVICE  TYPE      STATE      CONNECTION         
eno2    ethernet  connected  Wired connection 1
lo      loopback  unmanaged  --     

$ lspci | grep Wireless
00:14.3 Network controller: Intel Corporation Wireless-AC 9560 [Jefferson Peak] (rev 10)

$ dmesg | grep iwl
[   80.306544] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
[   80.325892] iwlwifi 0000:00:14.3: loaded firmware version 38.c0e03d94.0 op_mode iwlmvm
[   80.374182] iwlwifi 0000:00:14.3: Detected Intel(R) Dual Band Wireless AC 9560, REV=0x318
[   81.408054] iwlwifi 0000:00:14.3: SecBoot CPU1 Status: 0x3, CPU2 Status: 0x240f
[   81.408057] iwlwifi 0000:00:14.3: Failed to start INIT ucode: -110
[   81.420104] iwlwifi 0000:00:14.3: Failed to run INIT ucode: -110
[ 1326.205714] iwlwifi 0000:00:14.3: loaded firmware version 38.c0e03d94.0 op_mode iwlmvm
[ 1326.218447] iwlwifi 0000:00:14.3: Detected Intel(R) Dual Band Wireless AC 9560, REV=0x318
[ 1327.247770] iwlwifi 0000:00:14.3: SecBoot CPU1 Status: 0x3, CPU2 Status: 0x240f
[ 1327.247780] iwlwifi 0000:00:14.3: Failed to start INIT ucode: -110
[ 1327.260590] iwlwifi 0000:00:14.3: Failed to run INIT ucode: -110

这是全新安装。我还进行了 apt-update 和 apt-upgrade。

$ rfkill list all
1: dell-wifi: Wireless LAN
    Soft blocked: no
    Hard blocked: no
2: dell-bluetooth: Bluetooth
    Soft blocked: yes
    Hard blocked: no

modprobe iwlwifi 没有返回任何输出。

找到修复：

进入 BIOS 并禁用两个选项：“电源管理”->“无线电控制”类别下的“控制 WLAN 无线电”和“控制 WWAN 无线电”。

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