In 24.04 my Desktop WiFi worked, but not working in 26.04.
ASRock Z170 Gaming-ITX/ac Intel® Core™ i7-6700 × 8
Some info:
sudo lshw -class network
*-network UNCLAIMED
description: Network controller
product: BCM4352 802.11ac Dual Band Wireless Network Adapter
vendor: Broadcom Inc. and subsidiaries
physical id: 0
bus info: pci@0000:03:00.0
version: 03
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: memory:df200000-df207fff memory:df000000-df1fffff
I used the lspci command.
$ lspci -nnk|grep -iA3 net
00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (2) I219-V [8086:15b8] (rev 31)
Subsystem: ASRock Incorporation Device [1849:15b8]
Kernel driver in use: e1000e
Kernel modules: e1000e
--
03:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4352 802.11ac Dual Band Wireless Network Adapter [14e4:43b1] (rev 03)
Subsystem: AzureWave Device [1a3b:2123]
Kernel modules: bcma
04:00.0 Non-Volatile memory controller [0108]: Intel Corporation SSD 665p Series [Neptune Harbor Refresh] [8086:faf0] (rev 03)