Apple 165, 160 manual

Troubleshooting	General/ - 2
If this does not reset the power manager,
1	Remove the AC adapter and the battery.
2	Let the unit sit without power hooked up for 3–5 minutes.
3	Using two paper clips, simultaneously hold down the reset
4	and interrupt buttons for 5–10 seconds.
	Reinstall the battery and, if necessary, reconnect the AC
5	adapter.
	Turn on the computer.