1. If the computer is on, turn it off.
2. Press the reset button located above the power button at the base of the display. Use a small, blunt instrument such as a paper clip to press the button.
3. Wait 5 seconds
4. Press the power button to restart the iBook.
Note: Resetting the power manager also resets the Date and Time. After the reset, the system clock is set to 12:00 A.M., 01/01/1904.
Hook up to the internet and reset the date and time using the automatic setting box
There is no PRAM (CMOS)( battery in this machine.