How to remove and replace the memory on the Apple 5300
Position the Powerbook towards you with the monitor closed.
Press the battery removal latch located on the right side of the front panel.
Gently slide the battery out.
Turn the laptop over and remove the three T8 torx screws from the bottom panel.
Turn the laptop back over and open the monitor.
With the monitor facing towards you, gently pull up on the keyboard panel from the bottom.
Pull up on the large green memory chip on the left side of the laptop. It will simply lift out.