Dell Latitude E5430 (Mid 2012) - Manual (Page 47)

9. Lift the right edge of the system board assembly and raise it to a 45–degree angle.
10. Release the system board from the port connectors on the left and remove the system board.
Installing the System Board
1. Align the system board into its original position on the computer.
2. Replace and tighten the screws to secure the system board to the computer.
3. Route and connect the following cables the system board:
a. audio board flat flex cable
b. bluetooth cable
c. speaker cable
d. power connector cable
e. thermal fan cable
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