Dell Inspiron 16 Plus 7640 Owners Manual - Page 75

Installing the system board, Removing the system board 2

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Figure 50. Removing the system board 2 Steps 1. Remove the three screws (M2.5x5) that secure the display-assembly hinge to the system board. 2. Pry open the display-assembly hinge at a 90-degree angle. 3. Peel the tape that secures the display-cable latch to its connector. 4. Lift the latch and disconnect the display-assembly cable from its connector on the system board. 5. Remove the two screws (M2x4) that secure the Type-C bracket to the system board. 6. Lift the Type-C port bracket off the system board. 7. Lift the latch and disconnect the keyboard-backlight cable from its connector on the system board. 8. Disconnect the speaker cables from their connector on the system board. 9. Lift the latch and disconnect the keyboard cable from its connector on the system board. 10. Lift the latch and disconnect the touchpad cable from its connector on the system board. 11. Lift the latch and disconnect the I/O-board cable from its connector on the system board. 12. Remove the two screws (M2x1.8) 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 CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation process. Removing and installing Field Replaceable Units (FRUs) 75

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Figure 50. Removing the system board 2
Steps
1.
Remove the three screws (M2.5x5) that secure the display-assembly hinge to the system board.
2.
Pry open the display-assembly hinge at a 90-degree angle.
3.
Peel the tape that secures the display-cable latch to its connector.
4.
Lift the latch and disconnect the display-assembly cable from its connector on the system board.
5.
Remove the two screws (M2x4) that secure the Type-C bracket to the system board.
6.
Lift the Type-C port bracket off the system board.
7.
Lift the latch and disconnect the keyboard-backlight cable from its connector on the system board.
8.
Disconnect the speaker cables from their connector on the system board.
9.
Lift the latch and disconnect the keyboard cable from its connector on the system board.
10.
Lift the latch and disconnect the touchpad cable from its connector on the system board.
11.
Lift the latch and disconnect the I/O-board cable from its connector on the system board.
12.
Remove the two screws (M2x1.8) 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
CAUTION:
The information in this section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
Removing and installing Field Replaceable Units (FRUs)
75