Troubleshooting

Power Manager Reset/ - 2

Power Manager Reset

Reset the power manager if

The battery and power adapter are proven good, but the computer will not power on.

The computer will not reset after a system crash.

To reset the power manager in a PowerBook 150,

Remove the AC adapter and the battery.

Using a paper clip, hold down the reset button on the back of the computer for 5–10 seconds.

Reconnect the AC adapter and briefly push the reset button again. You should hear a small pop from the speaker.

Turn on the computer.

If the computer powers on, reinstall the battery. If the computer does not start, it may need servicing.

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Apple 150 manual Power Manager Reset