Dell Inspiron 14 7430 2-in-1 Owner's Manual page 62

Steps
1. Using the alignment posts and rubber grommets, place the speakers on the slots of the palm-rest and keyboard assembly.
2. Route the speaker and wireless module cables through the routing guides on the palm-rest and keyboard assembly.
3. Connect the speaker cable to the system board.
4. Connect the touchpad cable to the system board and close the latch.
5. Connect the keyboard cable to the system board and close the latch.
6. Connect the keyboard-backlight cable to the system board and close the latch.
Next steps
1. Install the wireless card.
2. Install the battery.
3. Install the base cover.
4. Follow the procedure in
62 Removing and installing Field Replaceable Units (FRUs)
After working inside your computer.