Apple PowerBook (Memory (RAM) Replacement) - Manual (Page 4)

4 - PowerBook (FireWire) Memory (RAM)
3 Make sure that the keyboard locking screw is not in the locked position.
Your new PowerBook comes with the keyboard unlocked, so unless you
or someone else locked the keyboard, you can skip this step.
4 Release the keyboard by pulling down on the keyboard release tabs
(located to the left of the F1 and F9 keys) until the top portion of the
keyboard pops up.
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