Installing The System Board - Dell Inspiron 14 Plus 7430 Owner's Manual

Steps
1. Open the latch and disconnect the power-button board cable from its connector on the system board.
2. Peel the tape that secures the power-adapter port cable to the system board.
3. Disconnect the power-adapter port cable from its connector on the system board.
4. Peel the tape that secures the display-cable connector latch to the system board.
5. Open the latch and disconnect the display-assembly cable from its connector on the system board.
6. Open the latches and disconnect the I/O-board cable from the I/O board and the system board.
7. Lift the I/O-board cable off the system board.
8. Open the latch and disconnect the touchpad cable from its connector on the system board.
9. Disconnect the speaker cable from its connector on the system board.
10. Open the latch and disconnect the keyboard cable from its connector on the system board.
11. Open the latch and disconnect the keyboard-backlight cable from its connector on the system board.
12. Peel the Mylar that covers the Type-C bracket.
13. Remove the two screws (M2x4) that secure the Type-C bracket to the system board.
14. Lift the Type-C port bracket off the system board.
15. Remove the three screws (M2x2) that secure the system board to the palm-rest and keyboard assembly.
16. Lift the system board off the palm-rest and keyboard assembly.

Installing the system board

CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
NOTE: If either the system board or the heat sink is replaced, use the thermal grease provided in the kit to ensure that
thermal conductivity is achieved.
The following image indicates the connectors and M.2 card slots on your system board.
76 Removing and installing Field Replaceable Units (FRUs)