XPS 16 9640 Owner's Manual

Installing the system board

About this task

1. Power-button and fingerprint reader cable connector (FP1)
2. Antenna-cable connectors (MAIN 2 and AUX 1) on wireless module
3. Camera-cable connector (CAM1)
4. Display assembly cable connector (LCD1)
5. Capacitive touch-panel cable connector (TF1)
6. CPU fan cable connector (FAN2)
7. Speaker (L) cable-connector (SPKL1)
8. Touchpad-cable connector (TPAD1)
9. Battery-cable connector (BATT)
10. Solid-state drive slot (SSD1)
11. Keyboard-cable connector (CN6501)
12. Speaker (R) cable connector (SPKR1)
13. GPU fan cable connector (FAN1)

The following images indicate the location of the system board and provides a visual representation of the installation procedure.

1. Align the screw holes on the system board with the screw holes on the palm rest and keyboard assembly.
2. Replace the four screws (M2x4.5) that secure the system board to the palm rest and keyboard assembly.
3. Connect the speaker (R) cable to the connector (SPKR1) on the system board.
4. Connect the keyboard-controller cable to the connector (CN6501) on the system board and close the latch.
5. Connect the speaker (L) cable to the connector (SPKL1) on the system board.
6. Connect the touchpad cable to the connector (TPAD1) on the system board and close the latch.
7. Connect the power-button and fingerprint-reader cable to the connector (FP1) on the system board.
8. Connect the antenna cables to the wireless module.
   NOTE:The following table provides the antenna-cable connection scheme for the wireless module on your computer.

   Table 1. Antenna-cable connection schemeThe following table provides the antenna-cable connection scheme for the WLAN card of your computer.

   Connectors on the wireless module	Antenna cable	Marking on the module
   Main	Black with label 'M'	MAIN 2	△ (white triangle)
   Auxiliary	Black	AUX 1	▲ (black triangle)

9. Align the screw hole on the wireless-module shield with the screw hole on the system board.
10. Connect the capacitive touch-panel cable to the connector (TF1) on the system board and close the latch.
11. Replace the screw (M2x3) that secures the wireless-module shield to the system board.
12. Connect the two display cables to the connectors (CAM1) on the system board.
13. Align the screw holes on the display-cable connector bracket with the screw holes on the system board.
14. Replace the two screws (M2x3) that secure the display-cable connector bracket to the system board.
15. Replace the two screws (M1.4x1.3) that secure the display-cable cover to the display-cable connector bracket.