Dell Inspiron 24 3000 series, Руководство по обслуживанию

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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 stand assembly .
2 Remove the back cover .
3 Remove the fan .
4 Remove the heat sink .
5 Remove the wireless card .
Procedure
1 Disconnect the speaker, touch-control board, hard-drive, optical-drive,
hard-drive and optical-drive power, fan, and microphone and camera
cables from its connectors on the system board.
2 Lift the latches and disconnect the control-buttons board and display
cables from its connectors on the system board.
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