Dell Inspiron 17 7778 2-in-1 Inspiron 177000 Series 2-in-1 Service Manual - Page 88

Replacing the system board, Procedure

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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 www.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 appropriate changes again after you replace the system board. Procedure 1 Align the screw holes on the system board with the screw holes on the palm-rest assembly. 2 Replace the screws that secure the system board to the palm-rest assembly. 3 Align the screw holes on the I/O bracket with the screw holes on the system board and the palm-rest assembly. 4 Replace the screws that secure the I/O bracket to the system board and the palm-rest assembly. 5 Align the screw holes on the graphics daughter-board brackets with the screw holes on the graphics daughter-board and the system board. 6 Replace the screws that secure the graphics daughter-board brackets to the graphics daughter-board and the system board. 7 Slide the I/O-board cable into the connector on the system board and close the latch to secure the cable. 8 Adhere the tape that secures the I/O-board cable to the system board. 9 Connect the hard-drive cable and fan cable to the system board. 10 Slide the keyboard cable into the connector on the system board and close the latch to secure the cable. 11 Connect the power-adapter port cable and the speaker cable to the system board. 88

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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
www.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
appropriate changes again after you replace the system board.
Procedure
1
Align the screw holes on the system board with the screw holes on the
palm-rest assembly.
2
Replace the screws that secure the system board to the palm-rest
assembly.
3
Align the screw holes on the I/O bracket with the screw holes on the
system board and the palm-rest assembly.
4
Replace the screws that secure the I/O bracket to the system board and
the palm-rest assembly.
5
Align the screw holes on the graphics daughter-board brackets with the
screw holes on the graphics daughter-board and the system board.
6
Replace the screws that secure the graphics daughter-board brackets to
the graphics daughter-board and the system board.
7
Slide the I/O-board cable into the connector on the system board and
close the latch to secure the cable.
8
Adhere the tape that secures the I/O-board cable to the system board.
9
Connect the hard-drive cable and fan cable to the system board.
10
Slide the keyboard cable into the connector on the system board and
close the latch to secure the cable.
11
Connect the power-adapter port cable and the speaker cable to the
system board.
88