When I power on my Macbook os x the keyboard does not work, so I can't type in my password Help !!!
When I power on my Macbook os x the keyboard does not work, so I can't type in my password Help !!!
MacBook, OS X Mountain Lion (10.8)
Try these as a starting point:
http://support.apple.com/kb/HT3964
Follow directions for a battery you can remove, or a battery you should not remove yourself (which ever applies to you)
Try a NVRAM/PRAM reset:
http://support.apple.com/kb/HT1379
If no joy, take it in to an Apple Gennius bar for a FREE evaluation.