Removing The System Board; Prerequisites; Procedure - Dell Inspiron 3646 Owner's Manual

Removing 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, follow the instructions in
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.
NOTE: Replacing the system board removes any changes you have
made to the BIOS using System Setup. You must make the desired
changes again after you replace the system board.
NOTE: Before disconnecting the cables from the system board, note the
location of the connectors so that you can reconnect them correctly
after you replace the system board.

Prerequisites

1 Remove the
2 Remove the
3 Follow the procedure from step 1 to step 5 in "Removing the
4 Remove the
5 Remove the
6 Remove the fan.

Procedure

1 Disconnect the hard-drive data cable, optical-drive data cable, power-
button cable, hard-drive and optical-drive power cable, front-panel USB
cable, media-card reader cable, and front-panel audio cable from the
system board.
For more information on the location of connectors, see
Components".
2 Make note of the cable routing and remove the cables from the routing
guides.
3 Remove the screws that secure the system board to the chassis.
48
computer cover.
front bezel.
memory module.
wireless card.
Computer. After working inside your
After Working Inside Your
drive cage".
"System-Board