Installing PowerBook G4 Titanium Mercury RAM: 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-RAM/59/all#s155 Installing PowerBook G4 Titanium Mercury RAM: 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-RAM/59/all#s156 Installing PowerBook G4 Titanium Mercury RAM: Step 3 Your laptop should look approximately like this. /Guide/Repair/PowerBook-G4-Titanium-Mercury-RAM/59/all#s157 Installing PowerBook G4 Titanium Mercury RAM: Step 4 Release the tabs on each side of the RAM chip at the same time. These tabs lock the chip in place and releasing them will cause the chip to "pop" up. Pull the RAM chip out. Repeat this process if a second RAM chip is installed. /Guide/Repair/PowerBook-G4-Titanium-Mercury-RAM/59/all#s158