Currently Being ModeratedJun 7, 2013 12:30 PM (in response to Andrew Allsop)
"If none of the keys work, your computer may be showing a low battery alert that you can’t see.
Connect your computer to an electric outlet or an external keyboard to see the alert."
Reset PRAM. http://support.apple.com/kb/PH4405
Reset SMC. http://support.apple.com/kb/HT3964
Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".
If this does not help, contact Apple.
Currently Being ModeratedJun 7, 2013 12:42 PM (in response to dominic23)
Mmm...well yes, but it does not recognise the keyboard sp pressing the keys to reset pram does not have any affect!
Currently Being ModeratedJun 7, 2013 1:38 PM (in response to dominic23)
Should also of said that it is connected to a power outlet.