Informações da última versão: Ubuntu Linux 20.10 - Groovy Gorilla
http://cgit.freedesktop.org/xorg/proto/x11proto/tree/XF86keysym.hhttp://wiki.linuxquestions.org/wiki/Configuring_keyboards#Enabling_Keyboard_Multimedia_Keys
...keycode 246 = XF86WLAN NoSymbol XF86WLAN NoSymbol XF86WLANkeycode 247 =keycode 248 = XF86WLAN NoSymbol XF86WLAN NoSymbol XF86WLAN...
rfkill listiwconfig wlan0nm-tool
carlosmagno@carlosmagno-ubuntu:~$ rfkill list0: phy0: Wireless LAN Soft blocked: no Hard blocked: nocarlosmagno@carlosmagno-ubuntu:~$ iwconfig wlan0wlan0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=20 dBm Retry long limit:7 RTS thr=2347 B Fragment thr:off Power Management:off carlosmagno@carlosmagno-ubuntu:~$ nm-toolNetworkManager Tool- Device: eth0 ----------------------------------------------------------------- Type: Wired Driver: jme State: unavailable Default: no HW Address: 80:EE:73:0B:42:D3 Capabilities: Carrier Detect: yes Wired Properties Carrier: off- Device: wlan0 ---------------------------------------------------------------- Type: 802.11 WiFi Driver: rtl8192se State: disconnected Default: no HW Address: 1C:65:9D:23:F3:AC Capabilities: Wireless Properties WEP Encryption: yes WPA Encryption: yes WPA2 Encryption: yes Wireless Access Points
O problema é outro. O rfkill serve justamente pra remover o bloqueio por software (teu "Fn + F4"), e o por hardware só se remove fisicamente (normalmente uma chave on/off). O que acontece no networkmanager quando tenta conectar-se?