Disconnect the following cable connectors from the system board:
(1) Speaker cable
(2) Microphone cable
(3) Audio/infrared board cable
(4) Subwoofer cable
(5) Audio connector board cable
Disconnect the following cables from the system board:
(1) Bluetooth module cable
(2) Front USB board cable
(3) Processor fan cable
(4) Composite video connector board cable
Remove the two SM1.5×9.0 screws (1) on each side of the expansion port 3 connector.
Remove the four Phillips PM2.5×4.0 screws (2) that secure the system board to the base enclosure.
Chapter 4 Removal and replacement procedures