Dell Inspiron 15 (3531, Mid 2014) - Manual (Page 47)

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
Assembly ”.
2 Turn the system-board over.
3 Slide the system-board ports into the slots on the computer base.
4 Align the screw hole on the system board with the screw hole on the
computer base.
CAUTION: Make sure that no cables are placed under the system
board.
5 Replace the screw that secures the system board to the computer base.
6 Connect the display cable, power-adapter port cable, and speaker cable
to the system board.
7 Adhere the tape to the display cable.
Post-requisites
1 Replace the light-extender tube .
2 Replace the palm rest .
3 Replace the wireless card .
4 Replace the keyboard .
5 Follow the procedure from step 3 to step 5 in “Replacing the Hard Drive ”.
6 Replace the memory module .
7 Replace the base cover .
8 Replace the battery .
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