i tried to use a wireless apple keyboard with my custom built ubuntu Pc and the key board layout is shifted. i tried using a different layout several times but it still refuses to work properly. any ideas?
Sometimes the Ubuntu Bluetooth stack can behave erratically and prevent you from connecting your Apple Bluetooth Keyboard (or other bluetooth device). So to connect an Apple Bluetooth Keyboard to Ubuntu Click Here
Also, you might want to look At this site for the description the default behavior of every Apple keyboard.