What about if computer is locked
i Have just gone to logo to my mac and found the batteries dead in the wireless keyboard, as I have a password to get into the computer I am unable to get to the apple symbol and systems to pair up the keyboard. Any suggestions please. All I can think of is plugging in another keyboard into a USB slot, but as I do not have one at hand i am unable to try this. Help
iMac (27-inch Mid 2010), iOS 6