Dell XPS 17 9730 Service Manual - Page 37

Installing the system board

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Steps 1. Remove the two screws (M2x4) that secure the display-cable bracket to the system board. 2. Lift the display-cable bracket off the system board. 3. Disconnect the camera connector and the display connector from the system board. 4. Remove the two screws (M2x4) from the left USB Type-C port bracket and lift it off the computer. 5. Remove the two screws (M2x4) from the right USB Type-C port bracket and lift it off the computer. 6. Remove the single screw (M2x4) from the wireless-antenna bracket and lift it off the computer. 7. Disconnect the left-speaker cable from the system board. 8. Open the latch and disconnect the keyboard cable from the system board. 9. Open the latch and disconnect the power-button cable from the system board. 10. Disconnect the antenna cables from the wireless module on the system board. 11. Disconnect the right-speaker cable from the system board. 12. Remove the three screws (M2x4) that secure the system board to the palm-rest and keyboard assembly. 13. Lift the system board off the palm-rest and keyboard assembly. Installing the system board Prerequisites NOTE: The Service Tag of your computer is stored in the system board. Enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program. Make the appropriate changes again after you replace the system board. About this task The following images indicate the location of the system board and provide a visual representation of the installation procedure. Removing and installing components 37

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Steps
1.
Remove the two screws (M2x4) that secure the display-cable bracket to the system board.
2.
Lift the display-cable bracket off the system board.
3.
Disconnect the camera connector and the display connector from the system board.
4.
Remove the two screws (M2x4) from the left USB Type-C port bracket and lift it off the computer.
5.
Remove the two screws (M2x4) from the right USB Type-C port bracket and lift it off the computer.
6.
Remove the single screw (M2x4) from the wireless-antenna bracket and lift it off the computer.
7.
Disconnect the left-speaker cable from the system board.
8.
Open the latch and disconnect the keyboard cable from the system board.
9.
Open the latch and disconnect the power-button cable from the system board.
10.
Disconnect the antenna cables from the wireless module on the system board.
11.
Disconnect the right-speaker cable from the system board.
12.
Remove the three screws (M2x4) that secure the system board to the palm-rest and keyboard assembly.
13.
Lift the system board off the palm-rest and keyboard assembly.
Installing the system board
Prerequisites
NOTE:
The Service Tag of your computer is stored in the system board. Enter the Service Tag in the BIOS setup program
after you replace the system board.
NOTE:
Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program.
Make the appropriate changes again after you replace the system board.
About this task
The following images indicate the location of the system board and provide a visual representation of the installation procedure.
Removing and installing components
37