If you need to post a question on the forum about non working wireless, please be sure to include the following information so people can help you:-
Open a terminal, and post the output from:
inxi -Fz
Then follow up with the following six commands:
For a USB wireless adapter:
lusb
and
sudo lshw -C network
and
iwconfig
and
ifconfig
and
sudo iwlist scan
and
rfkill list
For a PCI (or PCIe) wireless adapter:
sudo lspci -vnn | grep -i net
and
sudo lshw -C network
and
iwconfig
and
ifconfig
and
sudo iwlist scan
and
rfkill list
If necessary, either:
or