64 Chapter 3
Disassembling the logic lower
1. Pull the Dimm socket with fingers gentlely and take out the memory from the DIMM socket.
2. Release the tape that fasten the speakers’ wire.
3. Disconnect speakers’ wire.
4. Remove the two screws holding the two speakers. One on each side.Then remove the speakers.
5. Remove the two screws that secure the main board.
6. Next, take out the main board from the lower case.
7. Turn out the four screws on the main board. Then remove the optical bracket.
8. Turn out the two screws that secure the modem card.
9. Then turn over the modem card and disconnect the modem card cable.
10. Remove the four screws and take the heatsink away.
11. Release the CPU lock with a tool and remove the CPU from CPU support bracket.
12. Turn out the three screws that secure the fan and then remove the fan from the main board.