1. Follow the procedures in Before Working Inside Your Computer.
2. Remove:
a. battery
b. SD card
c. base cover
d. keyboard
e. palmrest assembly
f. sniffer board
g. display assembly
3. Disconnect the system-fan cable.
4. Disconnect the smart-card cable, hall-sensor cable and coin-cell battery cable.
5. Remove the screws that secure the power-connector bracket to the computer and remove the power-connector
bracket from the computer.
6. Remove the screws that secure the system board to the computer and remove it.
Installing the System Board
1. Place the system board on the chassis.
2. Tighten the screws to secure the system board to the computer.
3. Place the power-connector bracket on the system board. Tighten the screws to secure the power-connector
bracket to the computer.
4. Connect the following cables to the system board:
a. coin-cell battery
b. hall-sensor cable
c. smart-card cable
5. Install:
a. display assembly
b. sniffer board
c. palmrest assembly
d. keyboard
e. base cover
f. SD card
g. battery
6. Follow the procedures in After Working Inside Your Computer