Dell Inspiron 15 5551 Service Manual - Page 69

Replacing the system board, Procedure, Post-requisites

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Replacing 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. Procedure 1 Connect the power-adapter port cable to the system board. 2 Slide the I/O-board cable into the connector and press down on the latch to secure the cable to the system board. 3 Turn the system board over. 4 Slide the ports on the system board into the slots on the palm-rest assembly and place the system board on the palm-rest assembly. 5 Align the screw hole on the system board with the screw hole on the palm-rest assembly. 6 Replace the screw that secures the system board to the palm-rest assembly. 7 Slide the display cable into the connector and press down on the latch to secure the cable to the system board. 8 Turn the computer over and open the display. 9 Slide the touchpad cable into the connector and press down on the latch to secure the cable. 10 Connect the power-button board cable to the system board. Post-requisites 1 Replace the I/O board. 69

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Replacing 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.
Procedure
1
Connect the power-adapter port cable to the system board.
2
Slide the I/O-board cable into the connector and press down on the
latch to secure the cable to the system board.
3
Turn the system board over.
4
Slide the ports on the system board into the slots on the palm-rest
assembly and place the system board on the palm-rest assembly.
5
Align the screw hole on the system board with the screw hole on the
palm-rest assembly.
6
Replace the screw that secures the system board to the palm-rest
assembly.
7
Slide the display cable into the connector and press down on the latch to
secure the cable to the system board.
8
Turn the computer over and open the display.
9
Slide the touchpad cable into the connector and press down on the latch
to secure the cable.
10
Connect the power-button board cable to the system board.
Post-requisites
1
Replace the
I/O board
.
69