Removing the system board, Prerequisites, Procedure – Dell Inspiron Small Desktop (3646, Mid 2014) User Manual
Page 48

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
computer, follow the instructions in
. 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
.
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
.
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