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.

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Apple M4753 manual Resetting the Power Manager