Dell Inspiron 11 (3147, Mid 2014) - Manual (Page 45)

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 base cover .
2 Remove the battery .
3 Remove the memory module .
4 Remove the processor fan and heat-sink assembly .
Procedure
1 Remove the screws that secure the display-cable bracket to the system
board and lift the display-cable bracket off the system board.
2 Using the pull tab disconnect the display cable from the system board.
3 Peel off the adhesive tape on the Windows-button board connector to
access the Windows-button board cable.
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