1. Prepare the computer for disassembly (Preparation for disassembly on page 66).
2. Remove the service cover (Service cover on page 40).
3. Remove the battery (see Battery on page 41).
4. Remove the keyboard (see Keyboard on page 54).
If you are replacing memory modules 1 and 3, remove the existing memory module:
1. Remove the two Phillips M2.0 × 2.9 screws (1) that secure the memory module compartment cover to the 
computer.
2. Lift the front edge of the cover (2) and swing it up and back until it rests at an angle.
ENWW Component replacement procedures 59