Should be in
/var/log/syslog
You can also look in the journal to see if there are any issues;
sudo journalctl
Might be interesting to see what this is saying;
sudo journalctl -t NetworkManager
Also;
sudo journalctl -t wpa_supplicant
Should be in
/var/log/syslog
You can also look in the journal to see if there are any issues;
sudo journalctl
Might be interesting to see what this is saying;
sudo journalctl -t NetworkManager
Also;
sudo journalctl -t wpa_supplicant