keyboard is typing the wrong letters
The keyboard on my 15" Mac book pro [Sierra - Latest] has started typing the wrong letters. It doesn't even seem to be a language... Just random letters and symbols... Sometimes it types two at a time... I've checked the international settings, Keyboard etc... All as they should be. Shut Down & Restarted several times and it's the same... The Bluetooth keyboard works fine [I'm using it now - as you can see]... Help!
MacBook Pro with Retina display, macOS Sierra (10.12.2)