Dell Latitude 9420 Service Manual page 36

Steps
1. Align and place the battery on the palm-rest assembly.
2. Replace the single (M1.6x3) screw and four (M2x4) screws to secure the battery to the palm-rest assembly.
3. Reconnect the battery cable to the connector on the system board.
4. Route the speaker cables in the routing guides at the left and right side of the battery.
5. Adhere the piece of tape securing the speaker cable in place at the left side of the battery.
6. Route the speaker cable in the routing guides along the top side of the battery and connect the speaker cable to the
connector on the system board.
7. Route the WLAN antenna cables and blue WWAN antenna cable in the metal clips on the system board and the routing
guides along the sides of the battery.
8. Connect the antenna cables to the WLAN module.
9. Align and place the WLAN bracket on the system board.
10. Tighten the single captive screw securing the WLAN bracket to the system board.
11. Adhere the piece of tape securing the WLAN antenna cables in place at the top side of the battery.
36 Removing and installing components