When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board:
●Memory module (see Memory module on page 41)
●WLAN module (see WLAN module on page 44)
●RTC battery (see RTC battery on page 48)
●Power connector and cable (see Power connector and cable on page 64)
●Fan (see Fan on page 65)
●Heat sink (see Heat sink on page 66)
Remove the system board:
1.Disconnect the Bluetooth module cable (1) from the system board.
2.Release the ZIF connector to which the power switch board cable is connected, and disconnect the power switch board cable (2) from the system board.
3.Remove the four Phillips PM2.5×4.0 screws (1) that secure the system board to the base enclosure.
4.Remove the two Phillips PM2.5×4.0 screws (2) that secure the power connector to the base enclosure.
Component replacement procedures | 61 |