Dell Inspiron 14 (5447, Early 2014) - Manual (Page 65)

Replacing the System Board
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before Working Inside Your Computer . After working inside your
computer, follow the instructions in After Working Inside Your
Computer . For more safety best practices, see the Regulatory
Compliance home page at dell.com/regulatory_compliance.
NOTE: Your computer’s Service Tag is stored in the system board. You
must enter the Service Tag in the System Setup after you replace the
system board.
Procedure
1 Connect the power-adapter port cable to the system board.
2 Turn the system board over.
3 Slide the ports on the system board into the slots on the palm rest and
place the system board on the palm rest.
4 Align the screw holes on the system board with the screw holes on the
palm rest.
5 Replace the screws that secure the system board to the palm rest.
6 Connect the hard-drive cable and speaker cable to the system board.
7
Turn the computer over and open the display.
8 Slide the status-light board cable and touchpad cable into the respective
connectors and press down on the latches to secure the cables.
Post-requisites
1 Replace the heat sink .
2 Replace the wireless card .
3 Replace the memory module(s) .
4 Replace the base frame .
5 Replace the keyboard .
6 Replace the fan .
7 Replace the hard drive .
8 Replace the battery .
9 Replace the base cover .
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