Dell Inspirion 3656, Service Manual

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Replacing the system board
NOTE: 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.
Topics:
• Procedure
• Post-requisites
Procedure
1. Align the screw holes on the system board with the screw holes on the chassis.
2. Gently place the system board onto the chassis.
3. Replace the screws that secure the system board to the chassis.
4. Align the screw hole on the I/O cover with the screw hole on the chassis.
5. Replace the screw that secures the I/O cover to the chassis.
6. Route the cables 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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