Dell Inspiron 14 7430 2-in-1 Owner's Manual page 67

2. Display-cable connector
3. Battery-cable connector
4. Keyboard-backlight cable connector
5. Keyboard-cable connector
6. Touchpad-cable connector
7. Speaker-cable connector
8. M.2 solid-state drive connector
9. M.2 wireless-card connector
10. I/O-board cable connector
11. Fan-cable connector
The following image(s) indicate the location of the system board and provides a visual representation of the removal procedure.
Removing and installing Field Replaceable Units (FRUs) 67