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. 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.
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 battery.
2 Remove the optical drive.
3 Remove the base cover.
4 Remove the memory module(s).
5 Remove the wireless card.
6 Remove the hard drive.
7 Remove the keyboard.
8 Remove the palm rest.
Procedure
1 Peel the tape that secures the display cable to the connector on the
system board.
2 Lift the latch and, using the pull-tab, disconnect the display cable from
the connector on the system board.
3 Peel the display cable from the fan.
4 Lift the latch and, using the pull-tab, disconnect the I/O-board cable
from the connector on the system board.
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