Dell XPS 14 9440 Owner's Manual page 66

Figure 33. Removing the system board
Steps
1. Open the latch of the capacitive touch-panel connector (JTF1) and disconnect the capacitive touch-panel cable from the
system board.
2. Loosen 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.
3. Lift the wireless-module bracket off the system board.
4. Disconnect the antenna cables from the wireless module.
5. Lift the latch of the power-button and fingerprint-reader cable and disconnect the power-button and fingerprint-reader
cable from their respective connectors on the system board.
6. Use the pull tab to disconnect the left-speaker cable from the left-speaker cable connector (JSPK2) on the system board.
7. Open the latch of the keyboard control-board cable and use the pull tab to disconnect the keyboard control-board cable
from the keyboard control-board connector (JIO1) on the system board.
66 Removing and installing Field Replaceable Units (FRUs)