7.Verify that both sides of the drive are fully seated.
8.Connect the optical drive flex cable connector to the logic board.
9.Reassemble the computer.
10.Testing the computer should include powering on, inserting an optical disc and ejecting it to make sure the drive is aligned with the opening and functioning properly.
Test the backup battery by plugging in the power adapter and letting the backup battery charge for half an hour. Then power on the computer and disconnect the power adapter, set the system clock, put the computer to sleep, remove the main battery for five seconds and reinstall. The date and time should not reset.
52 - PowerBook G4 | Optical Drive |