Apple M4753 manual Resetting the Power Manager

Additional Procedures	PRAM and Power Manager Reset - 19
	the startup chime at least one additional time after the
	initial startup chime.

Resetting the Power Manager

Follow these steps to reset the power manager:

1 Make sure the unit is shut down, not in sleep mode.

2 Press Shift-Fn-Ctrl-Power keys at the same time.

3 Wait five seconds, then press the power key to turn the unit back on.