Installing PowerBook G4 Titanium Mercury Keyboard: Step 1 Remove the battery. Turn the keyboard locking screw so that it is parallel to the space bar. Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free. /Guide/Repair/PowerBook-G4-Titanium-Mercury-Keyboard/58/all#s155 Installing PowerBook G4 Titanium Mercury Keyboard: Step 2 Rest the keyboard face down on the trackpad area. Disconnect the keyboard connector from the logic board. /Guide/Repair/PowerBook-G4-Titanium-Mercury-Keyboard/58/all#s156 Installing PowerBook G4 Titanium Mercury Keyboard: Step 3 Your laptop should look approximately like this. /Guide/Repair/PowerBook-G4-Titanium-Mercury-Keyboard/58/all#s157