Dell Vostro 5501 Service Manual - Page 44

Installing the system board

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Steps 1. Remove three screws (M2.5x3.5), and lift the left-display hinge. 2. Peel the adhesive tape off the I/O-board cable to system board. 3. Open the latch, and disconnect the I/O-board cable from the system board. 4. Disconnect the system fan cable from the system board. 5. Open the latch, and disconnect the display cable to the system board. 6. Peel the adhesive tape off DC-in port cable. 7. Remove the two screws (M2x3) that secure the USB Type-C port bracket to the system board. 8. Lift the USB Type-C port bracket. 9. Disconnect the speaker cable from the system board. 10. Open the latch, and disconnect the touchpad cable from the system board. 11. Open the latch, and disconnect the keyboard-backlight cable from the system board. 12. Open the latch, and disconnect the keyboard cable from the system board. 13. Remove the two screws (M2x2) that secure the system board to the palm-rest and keyboard assembly. 14. Gently release the ports on the system board from the slots on the palm-rest and keyboard assembly and lift the system board off the palm-rest and keyboard assembly. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the system board and provides a visual representation of the installation procedure. 44 Disassembly and reassembly

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Steps
1.
Remove three screws (M2.5x3.5), and lift the left-display hinge.
2.
Peel the adhesive tape off the I/O-board cable to system board.
3.
Open the latch, and disconnect the I/O-board cable from the system board.
4.
Disconnect the system fan cable from the system board.
5.
Open the latch, and disconnect the display cable to the system board.
6.
Peel the adhesive tape off DC-in port cable.
7.
Remove the two screws (M2x3) that secure the USB Type-C port bracket to the system board.
8.
Lift the USB Type-C port bracket.
9.
Disconnect the speaker cable from the system board.
10.
Open the latch, and disconnect the touchpad cable from the system board.
11.
Open the latch, and disconnect the keyboard-backlight cable from the system board.
12.
Open the latch, and disconnect the keyboard cable from the system board.
13.
Remove the two screws (M2x2) that secure the system board to the palm-rest and keyboard assembly.
14.
Gently release the ports on the system board from the slots on the palm-rest and keyboard assembly and lift the system board off the
palm-rest and keyboard assembly.
Installing the system board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The figure indicates the location of the system board and provides a visual representation of the installation procedure.
44
Disassembly and reassembly