Dell Inspiron 27 7775 Inspiron 27 7000 Service Manual - Page 109

Replacing the system board, Procedure

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Identifier GUID-67274E98-E2F1-4B7B-A903-F38BA6B62028 Status Released 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. Identifier GUID-59236587-A9A6-45D3-925C-26710640D4A7 Status Released Procedure 1 Align the screw holes on the system board with the screw holes on the middle frame. 2 Replace the five screws (M3x5) that secure the system board to the middle frame. 3 Connect the microphone cable (DMIC1), camera cable (WEBCAM), side I/Oboard cable (MB-SUSBC), media-card reader cable (SDRDC1), speaker cable (SPEAKER), subwoofer cable (WOOFC1), I/O-board power cable (RPWRC1), I/O-board cable (LAUOC1), USB Type-C cable (MB-TYPEC1), hard-drive power cable (SATA_PWR1), and I/O cable (RUSBC1) to their respective connectors on the system board. 109

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Identifier
GUID-67274E98-E2F1-4B7B-A903-F38BA6B62028
Status
Released
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.
Identifier
GUID-59236587-A9A6-45D3-925C-26710640D4A7
Status
Released
Procedure
1
Align the screw holes on the system board with the screw holes on the middle
frame.
2
Replace the
five
screws (M3x5) that secure the system board to the middle
frame.
3
Connect the microphone cable (DMIC1), camera cable (WEBCAM), side I/O-
board cable (MB-SUSBC), media-card reader cable (SDRDC1), speaker cable
(SPEAKER), subwoofer cable (WOOFC1), I/O-board power cable (RPWRC1),
I/O-board cable (LAUOC1), USB Type-C cable (MB-TYPEC1), hard-drive power
cable (SATA_PWR1), and I/O cable (RUSBC1) to their respective connectors on
the system board.
109