Dell Inspiron 11 3148 - Manual (Page 51)

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 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
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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