
Locate the Command, Option, P and R keys on your keyboard

Some reports claim the Bluetooth problem can be overcome by resetting PRAM and NVRAM, though this doesn't apparently work for everyone. Type " Bluetooth" and use the down (cursor) arrow to select System Preferences>Bluetooth, then tap Enter. If your keyboard is working and your mouse isn't, type Command + Space to invoke Spotlight. When Bluetooth Settings appear some users report their devices begin working again, otherwise you can re-enable the connection in the pane. If your mouse is working and your keyboard isn't, or if you have a wired mouse you can connect for the task it's possible to manually reconnect your device(s) by accessing System Preferences>Bluetooth.
