Dell XPS 14 9440 Owner's Manual page 69

Figure 36. Installing the system board
Steps
1. Using the alignment posts, align the screw holes on the system board with the screw holes on the palm-rest assembly.
2. Place the system board on the palm-rest assembly.
3. Replace the 11 screws (M1.6x3.5) that secure the system board to the palm-rest assembly.
4. Connect the right-speaker cable to the right-speaker cable connector (JSPK1) on the system board.
5. Connect the haptic-module cable to the haptic-module cable connector (JTP1) on the system board and close the latch to
secure the cable.
6. Connect the keyboard control-board cable to the keyboard control-board connector (JIO1) on the system board and close
the latch to secure the cable.
7. Connect the left-speaker cable to the left-speaker cable connector (JSPK2) on the system board.
8. Connect the power-button and fingerprint-reader cable to the power-button and fingerprint-reader cable connector (JFP1)
on the system board and close the latch to secure the cable.
9. Connect the antenna cables to the wireless module.
10. Align and place the wireless-module bracket on the system board.
11. Tighten the captive screw that secures the wireless-module bracket to the system board.
NOTE: Ensure that the small, clear washer that holds the captive screw in place does not fall.
12. Connect the capacitive touch-panel cable to the capacitive touch-panel connector (JTF1) on the system board.
Next steps
1. Install the heat-sink assembly - for computers shipped with integrated graphics card
shipped with discrete graphics card, whichever is applicable.
Removing and installing Field Replaceable Units (FRUs)
or heat-sink assembly - for computers
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