Reset PRAM
PowerBook (FireWire)
6
Troubleshooting
Reset PRAM
Caution:
Resetting PRAM erases the contents of the RAM disk,
if there is one. Resetting PRAM also restores the default
settings in most control panels. After you reset PRAM, be
sure to check any custom settings for the desktop pattern,
memory, network, AppleTalk, trackpad, power conservation,
and so forth.
Reset/zap PRAM from the shutdown state. Follow these steps
to reset PRAM:
1. Power on the computer by pressing the Power key.
2. Immediately hold down the Option-Command-P-R keys.
3. Hold down these four keys until you have heard the
startup chime at least one additional time after the initial
startup chime.
Reset the Power Manager
PowerBook (FireWire)computers have a reset button located
on the back of the computer behind the I/O door. Press the
button once to reset the power manager.
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