Dell Inspiron 15 (3542, Early 2014) - Manual (Page 71)

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 Follow the procedure from step 1 to step 4 in “Replacing the Heat Sink ”.
2 Align the screw holes on the system board with the screw holes on the
computer base.
CAUTION: Make sure that no cables are placed under the system
board.
3 Replace the screws that secure the system board to the computer base.
4 Connect the power-adapter port cable and speaker cable to the system
board.
5 Slide the display cable and I/O-board cable into the system-board
connectors and press down on the connector latches to secure the
cables.
6 Adhere the tape that secures the display cable to the system board.
Post-requisites
1 Replace the optical-drive connector board .
2 Replace the battery-connector board .
3 Follow the procedure from step 3 to step 9 in “Replacing the Palm Rest ”.
4 Replace the keyboard .
5 Replace the wireless card .
6 Follow the procedure from step 4 to step 5 in “Replacing the Optical
Drive ”.
7 Follow the procedure from step 4 to step 6 in “Replacing the Hard Drive ”.
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