Dell Inspiron 3662 - System Board Replacement; Procedure

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
www.dell.com/
regulatory_compliance.
NOTE: Your computer’s Service Tag is stored in the system board. You
must enter the Service Tag in the BIOS setup program after you replace the
system board.
NOTE: Replacing the system board removes any changes you have made to
the BIOS using the BIOS setup program. You must make the appropriate
changes again after you replace the system board.
Procedure
1 Align the system board with the slots on the chassis and place the system board
in position.
2 Replace the four screws (#6–32 UNC 1/4'') that secure the system board to
the chassis.
3 Route the optical-drive data cable, hard-drive data cable, hard-drive and optical-
drive power cable, I/O-board cable, and power-button cable through their
routing guides and connect the cables to their respective connectors on the
system board.
Post-requisites
1 Replace the heat sink.
2 Replace the processor fan.
3 Replace the wireless card.
4 Replace the memory modules.
5 Replace the front bezel.
6 Replace the computer cover.
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