Dell P138G Service Manual page 76

Steps
1. Place the display assembly on a clean and flat surface.
2. Align and place the palm-rest assembly on the display assembly.
3. Using the alignment posts, close the display hinges.
4. Replace the two (M2.5x4) screws that secure the left-display hinge to the system board.
5. Replace the two (M2.5x4) screws that secure the right-display hinge to the system board.
6. Route the WLAN antenna cables into the routing guide underneath the fan.
7. Adhere the mylar tape to keep the WLAN antenna cables in place.
8. Connect the eDP cable to the connector on the system board and adhere the adhesive tape.
9. Connect the display cable to its connector on the system board.
10. Replace the (M2x4) screw to secure the display cable bracket.
Next steps
1. Install the WWAN card
2. Install the WLAN card.
76 Removing and installing components
(optional).