Dell XPS 15 9575 2-in-1 XPS 15 2-in-1 Service Manual - Page 46

Replacing the system board, Procedure, program after you replace the system board.

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26 Replacing the system board NOTE: 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. Using the alignment posts, place the system board on the palm-rest and keyboard assembly and align the screw holes on the system board with the screw holes on the palm-rest assembly. 2. Replace the 2 screws (M2x3) that secure the system board to the palm-rest and keyboard assembly. 3. Align the screw holes on the type-C USB bracket with the screw holes on the system board and replace the three screws (M2x4) that secure the type-C USB bracket to system board. 4. Connect the coin-cell battery cable to the system board. 5. Connect the fingerprint-reader cable to the system board and close the latch. 6. Connect the keyboard-back light cable to the system board and close the latch. 7. Connect the display cable to the system board. 8. Place the display-cable bracket on the system board and replace the two screws (M1.6x1.8) that secure the bracket to the system board. 9. Adhere the tape that secures the display-cable bracket to the system board. 46 Replacing the system board

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Replacing the system board
NOTE:
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.
Using the alignment posts, place the system board on the palm-rest and keyboard assembly and align the screw holes on the system
board with the screw holes on the palm-rest assembly.
2.
Replace the 2 screws (M2x3) that secure the system board to the palm-rest and keyboard assembly.
3.
Align the screw holes on the type-C USB bracket with the screw holes on the system board and replace the three screws (M2x4) that
secure the type-C USB bracket to system board.
4.
Connect the coin-cell battery cable to the system board.
5.
Connect the fingerprint-reader cable to the system board and close the latch.
6.
Connect the keyboard-back light cable to the system board and close the latch.
7.
Connect the display cable to the system board.
8.
Place the display-cable bracket on the system board and replace the two screws (M1.6x1.8) that secure the bracket to the system
board.
9.
Adhere the tape that secures the display-cable bracket to the system board.
26
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Replacing the system board