JulianH wrote: 
> Hello ... insitu upgrade for 6 RPI units to PCP7. Three WiFi units
> disconnected and I have struggled to get them working again.  I have 3B+
> unit on my desk and have done a fresh PCP7 install, used built in and
> wifi dongles.  I have no security, SSID is visible (and working).  Both
> built in and dongle WiFi works as I can do full scan the network but no
> WiFi IP is generated. Originally user_wpa_supplicant file but deleted
> and regenerated file maintained by PCP. I have solid red light and
> bluetooth is turned off. It seems the AP will just not recognise and
> register the device. I have removed the Bind IP to Mac ......running out
> of ideas to get it working again......is it me ....but all 3 WiFi units
> have gone off line after upgrade!  Regards Julian
> 
> =====================
> # Maintained by piCorePlayer
> ctrl_interface=/var/run/wpa_supplicant
> ctrl_interface_group=staff
> country=GB
> update_config=1
> 
> network={
>       #enc_ssid="Vicarage"
>       ssid="Vicarage"
>       psk=""
>       key_mgmt=NONE
>       auth_alg=OPEN
> 
> ==============================================================
> [    3.340779] usb 1-1.1.2: New USB device found, idVendor=0bda,
> idProduct=0811, bcdDevice= 2.00
> [    3.340786] usb 1-1.1.2: New USB device strings: Mfr=1, Product=2,
> SerialNumber=3
> [    3.340792] usb 1-1.1.2: Product: 802.11ac WLAN Adapter 
> [    3.340798] usb 1-1.1.2: Manufacturer: Realtek 
> [    3.340804] usb 1-1.1.2: SerialNumber: 00e04c000001
> .
> [   10.437635] usbcore: registered new interface driver 8812au
> .
> [   10.080400] cfg80211: Loading compiled-in X.509 certificates for
> regulatory database
> [   10.141538] cfg80211: Loaded X.509 cert 'sforshee:
> 00b28ddf47aef9cea7'

I have a different card that uses the same driver, and it's working for
me

Are you really using a completely open unencrypted network?



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