inxi -Fxxz对于我的笔记本电脑：
System:
Host: mal-Aspire-4752 Kernel: 4.15.0-66-generic x86_64 bits: 64
compiler: gcc v: 7.4.0 Desktop: Cinnamon 4.2.4 wm: muffin dm: LightDM
Distro: Linux Mint 19.2 Tina base: Ubuntu 18.04 bionic
Machine:
Type: Laptop System: Acer product: Aspire 4752 v: V2.10 serial: <filter>
Mobo: Acer model: Aspire 4752 v: V2.10 serial: <filter> UEFI: Phoenix
v: 2.10 date: 08/25/2011
Battery:
ID-1: BAT0 charge: 12.8 Wh condition: 12.8/48.8 Wh (26%) volts: 12.4/11.1
model: Panasonic AS10D51 serial: <filter> status: Full
CPU:
Topology: Dual Core model: Intel Pentium B950 bits: 64 type: MCP
arch: Sandy Bridge rev: 7 L1 cache: 64 KiB L2 cache: 2048 KiB
L3 cache: 2048 KiB
flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 bogomips: 8381
Speed: 798 MHz min/max: 800/2100 MHz Core speeds (MHz): 1: 798 2: 798
Graphics:
Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics
vendor: Acer Incorporated ALI driver: i915 v: kernel bus ID: 00:02.0
chip ID: 8086:0106
Display: server: X.Org 1.19.6 driver: modesetting unloaded: fbdev,vesa
resolution: 1366x768~60Hz
OpenGL: renderer: Mesa DRI Intel Sandybridge Mobile v: 3.3 Mesa 19.0.8
compat-v: 3.0 direct render: Yes
Audio:
Device-1: Intel 6 Series/C200 Series Family High Definition Audio
vendor: Acer Incorporated ALI driver: snd_hda_intel v: kernel
bus ID: 00:1b.0 chip ID: 8086:1c20
Sound Server: ALSA v: k4.15.0-66-generic
Network:
Device-1: Qualcomm Atheros AR9287 Wireless Network Adapter
vendor: Foxconn T77H167.00 driver: ath9k v: kernel port: efa0
bus ID: 02:00.0 chip ID: 168c:002e
IF: wlp2s0 state: down mac: <filter>
Device-2: Broadcom and subsidiaries NetLink BCM57785 Gigabit Ethernet PCIe
vendor: Acer Incorporated ALI driver: tg3 v: 3.137 port: efa0
bus ID: 03:00.0 chip ID: 14e4:16b5
IF: enp3s0f0 state: down mac: <filter>
IF-ID-1: enp0s26u1u1 state: unknown speed: N/A duplex: N/A mac: <filter>
Drives:
Local Storage: total: 465.76 GiB used: 15.56 GiB (3.3%)
ID-1: /dev/sda vendor: Seagate model: ST9500325AS size: 465.76 GiB
speed: 3.0 Gb/s serial: <filter> temp: 40 C
Partition:
ID-1: / size: 456.96 GiB used: 15.55 GiB (3.4%) fs: ext4 dev: /dev/sda2
Sensors:
System Temperatures: cpu: 56.0 C mobo: 44.0 C
Fan Speeds (RPM): N/A
Info:
Processes: 205 Uptime: 32m Memory: 3.70 GiB used: 1.30 GiB (35.2%)
Init: systemd v: 237 runlevel: 5 Compilers: gcc: 7.4.0 alt: 7 Shell: bash
v: 4.4.20 running in: gnome-terminal inxi: 3.0.32
root@mal-Aspire-4752:~#sudo ip link set wlp2s0 up
RTNETLINK answers: Operation not possible due to RF-kill
rfkill list:
0: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
1: acer-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
3: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
已尝试解锁但没有改变任何内容
uname -a：
Linux mal-Aspire-4752 4.15.0-66-generic #75-Ubuntu SMP Tue Oct 1 05:24:09 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
uname -r：
4.15.0-66-generic
答案1
尝试：
nmcli connection show
查找所有 wifi 热点并：
nmcli connection up <wifi-hotspot>
连接到它。
如果您的 wifi 列表不是最新的，请尝试：
sudo iwlist scan
或用于nmtui图形用户界面。