163 Views 1 Reply Latest reply: May 9, 2013 10:19 AM by Eustace Mendis
Currently Being ModeratedMay 9, 2013 10:19 AM (in response to NoreenWazar)
Try SMC reset:
- Shut down the computer.
- Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
- On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
- Release all the keys and the power button at the same time.
- Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.