9.Release the keyboard by pulling down on the keyboard release tabs (located to the left of the F1 and F12 keys) (Figure 3), then lift the top portion of the keyboard up slightly, and toward the display.
Figure 3
10.Flip the keyboard over and lay it on the palm rests and trackpad. (Figure 4)
Figure 4
PowerBook G4 (1GHz/867MHz) Memory - 3