antisa@antisa-desktop:~$ sudo nmcli wifi [sudo] password for antisa: Error: argument 'wifi' not understood. Try passing --help instead. antisa@antisa-desktop:~$ sudo nmcli radio wifi enabled antisa@antisa-desktop:~$ sudo nmcli g STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN connected full enabled enabled enabled enabled antisa@antisa-desktop:~$ sudo nmcli r WIFI-HW WIFI WWAN-HW WWAN enabled enabled enabled enabled antisa@antisa-desktop:~$ sudo iwconfig lo no wireless extensions. enp0s25 no wireless extensions. usb0 no wireless extensions. antisa@antisa-desktop:~$ sudo lspci 00:00.0 Host bridge: Intel Corporation 4th Gen Core Processor DRAM Controller (rev 06) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor PCI Express x16 Controller (rev 06) 00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05) 00:16.0 Communication controller: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 (rev 04) 00:19.0 Ethernet controller: Intel Corporation Ethernet Connection I217-V (rev 05) 00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05) 00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05) 00:1c.0 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 (rev d5) 00:1c.3 PCI bridge: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #4 (rev d5) 00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05) 00:1f.0 ISA bridge: Intel Corporation Z87 Express LPC Controller (rev 05) 00:1f.2 SATA controller: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] (rev 05) 00:1f.3 SMBus: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller (rev 05) 01:00.0 VGA compatible controller: NVIDIA Corporation GP107 [GeForce GTX 1050] (rev a1) 01:00.1 Audio device: NVIDIA Corporation GP107GL High Definition Audio Controller (rev a1) 03:00.0 Network controller: Broadcom Inc. and subsidiaries BCM4352 802.11ac Wireless Network Adapter (rev 03) antisa@antisa-desktop:~$ sudo apt-get install bcmwl-kernel-source Reading package lists... Done Building dependency tree Reading state information... Done Starting pkgProblemResolver with broken count: 0 Starting 2 pkgProblemResolver with broken count: 0 Done The following NEW packages will be installed: bcmwl-kernel-source 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 1.544 kB of archives. After this operation, 8.071 kB of additional disk space will be used. Get:1 http://archive.ubuntu.com/ubuntu focal-updates/restricted amd64 bcmwl-kernel-source amd64 6.30.223.271+bdcom-0ubuntu7~20.04.1 [1.544 kB] Fetched 1.544 kB in 1s (1.741 kB/s) Selecting previously unselected package bcmwl-kernel-source. (Reading database ... 190153 files and directories currently installed.) Preparing to unpack .../bcmwl-kernel-source_6.30.223.271+bdcom-0ubuntu7~20.04.1_amd64.deb ... Unpacking bcmwl-kernel-source (6.30.223.271+bdcom-0ubuntu7~20.04.1) ... Setting up bcmwl-kernel-source (6.30.223.271+bdcom-0ubuntu7~20.04.1) ... Loading new bcmwl-6.30.223.271+bdcom DKMS files... Building for 5.4.0-72-generic Building for architecture x86_64 Building initial module for 5.4.0-72-generic Secure Boot not enabled on this system. Done. wl.ko: Running module version sanity check. - Original module - No original module exists within this kernel - Installation - Installing to /lib/modules/5.4.0-72-generic/updates/ depmod... DKMS: install completed. update-initramfs: deferring update (trigger activated) Processing triggers for initramfs-tools (0.136ubuntu6.4) ... update-initramfs: Generating /boot/initrd.img-5.4.0-72-generic antisa@antisa-desktop:~$