WLAN RTL8811AU installed, device found but not seen in WLAN settings

Hello,
I am trying to get a USB WIFI device to work.

It identifies as:
Bus 001 Device 010: ID 0bda:a811 Realtek Semiconductor Corp. RTL8811AU 802.11a/b/g/n/ac WLAN Adapter

I have found a *.deb driver file for ubuntu:

rtl8812au-dkms_4.3.8.12175.20140902+dfsg-0ubuntu15_all.deb

inxi -N finds it:

Device-2: Realtek RTL8811AU 802.11a/b/g/n/ac WLAN Adapter type: USB driver: usb-network 

modprobe says the modfile is loaded (and yes, I also have another WIFI-USB-Stick that works but it is slow...)

Module                  Size  Used by
ccm                    20480  6
rt2800usb              32768  0
rt2x00usb              24576  1 rt2800usb
rt2800lib             131072  1 rt2800usb
rt2x00lib              65536  3 rt2800usb,rt2x00usb,rt2800lib
rtl8821ae             233472  0
btcoexist             155648  1 rtl8821ae
rtl_pci                28672  1 rtl8821ae
rtlwifi                94208  3 rtl_pci,rtl8821ae,btcoexist
mac80211             1024000  6 rtl_pci,rtl8821ae,rt2x00lib,rtlwifi,rt2x00usb,rt2800lib
cfg80211              888832  3 rt2x00lib,rtlwifi,mac80211
libarc4                16384  1 mac80211

So I guess the device + driver are OK.
BUT: there is no WLAN-Tab in Zorin system control.
I have noticed that in /etc/network there is no interfaces file so I guess the network configuration must be done elsewhere.

What should I do to trigger my WLAN device so it is found in WLAN settings?
Thanks a lot and best regards
Chikes.

You can try using the module prober to see it

sudo modprobe -r 8811au

sudo modprobe 8811au

1 Like

It is actually working right now.
Unfortunately, after a reboot the WLAN connection is seen in settings, but it does not connect. I have to remove the connection and re-enter credentials first, then it will work.
Is there anywhere for a /network/interface file? It does not seem to exist atm. Where does Zorin OS store all relevant interfaces settings?

I have noticed that Zorin OS asks for main password only when I open browser. Is WLAN password also protected by main password manager? Then that is never asked "in time" and could be blocked always. Not quite the point maybe as I have tried to restart WLAN after main password was asked for, so to unlock also WLAN password, but this did not happen.
What else could lead to password no longer working for WLAN and WLAN not reconnecting after a reboot?

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