No WiFi connection on Pi 2

[TJH]

I just can't connect to my Pi 2 via its USB wifi.

RuneAudio works fine over ethernet.
RuneAudio accepts and stores SSID and WIFi password (WPA2) OK.
RuneAudio sees ethernet and WiFi connections with IP address for each.
Router sees RuneAudio on WiFi and Ethernet with IP address for each.

Reboot Pi with ethernet disconnected - Router still sees RuneAudio but no connection to GUI.
Putty doesn't see Pi with RuneAUdio over Wifi either.

USB WIFI is PiHut Realtek
No odd characters or spaces in SSID
Power is 2A PiHut PSU

I've fiddled with /Dev, and pulled from git, but don't really have a clue.

Any hints?

Thanks

[hondagx35]

Hi TJH,

Reboot Pi with ethernet disconnected - Router still sees RuneAudio but no connection to GUI.

This is strange and should not happen.
Are you using DHCP or static IP?
Did you try to connect with http://runeaudio (Windows) or http://runeaudio.local (Linux/OSX)?

Frank