Apple PowerBook (5300 Series) - Manual (Page 158)

7 Gently lift the side panels of the computer a short distance.
Be careful to not to lift too far. A slight lift should raise the keyboard enough
for you to grasp it.
Gently lift the side panels of the computer up a short distance
(approximately 1/4"). You don’t want to remove the side
panels; you only want to raise the keyboard slightly so
that you can grasp the keyboard with your fingers
and be able to lift it out of the computer.
WARNING Do not lift the side panels
up more than approximately 1/4".
Side view
147 Installing a Macintosh PowerBook RAM Expansion Card