Dell Precision 7760 Service Manual page 50

Steps
1. Carefully route the keyboard FPC and keyboard backlight FPC through the inner frame and place the inner frame on the
computer chassis.
2. Replace the ten (M2x3) screws to secure the inner frame in place.
3. Route the WLAN and WWAN antenna cables through the routing guide.
4. For the computers shipped with WWAN card:
a. Connect the two Darwin antenna cables to the connector on the system board.
b. Align and place the Darwin bracket to secure the Darwin antenna cables to the system board.
c. Replace the (M2x3) screw to secure the Darwin bracket in place.
Next steps
1. Install the WWAN card.
2. Install the WLAN card.
3. Install the primary M.2
4. Install the battery.
5. Install the base cover.
6. Install the SD card.
7. Follow the procedure in
50 Removing and installing components
SSD.
after working inside your computer.