1. Remove the air deflector located above the I/O ports. There are no screws, it's held in place with double-stick tape.
2. Disconnect the four connectors (two fan cables and two hard drive cables) and remove the two screws on the video cable.
3. Using a T-8 screwdriver, remove the two fan duct screws and lift the duct off the logic board. Note: These two screws are longer than the other silver screws securing the logic board to the midplane chassis.
4. Remove the three hard drive screws. Next, lift the hard drive up a bit and disconnect the hard drive data and the hard drive power cables on the left side. Lastly, disconnect the thermal sensor and the inverter cable (located near the copper heatpad).
7. Lift the modem straight up and off the logic board connector and disconnect the modem cable. Note: If a Bluetooth board is present continue with the next step, otherwise go on to step 10.
10. Use a needlenose pliers to disconnect the three connectors near the bottom left corner of the midplane. These cables connect to the speakers, microphone, and the fan. Note: Pull on the connector, not the cables.
11. Using a T-10 screwdriver, remove eight silver logic board screws and with a Phillips #2 screwdriver, remove one brass screw in the bottom left corner of the midplane.
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Read how to maintain and repair any desktop and laptop computer. This Ebook has articles with photos and videos that show detailed step by step pc repair and maintenance procedures. There are many links to online videos that explain how you can build, maintain, speed up, clean, and repair your computer yourself. Put the money that you were going to pay the PC Tech in your own pocket.