Dell Vostro 5391, Руководство по обслуживанию

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7. Open the latch and disconnect the keyboard backlit cable from the system board.
8. Disconnect the coin-cell battery cable from the system board.
9. Disconnect the power-adapter port cable from the system board.
10. Using the pull tab, disconnect the display cable from the system board.
11. Remove the screw (M2x4) that secures the system board to the palm-rest and keyboard assembly.
12. 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
If you are replacing a component, remove the existing component before performing the installation procedure.
The following image indicates the location of system board and provides a visual representation of the installation procedure.
1. Slide the ports on the system board into the slots on the palm-rest and keyboard assembly and align the screw holes on the system
board with the screw holes on the palm-rest and keyboard assembly.
2. Replace the screw (M2x4) that secures the system board to palm-rest and keyboard assembly.
3. Connect the display cable on to the connector on the system board6
4. Connect the power-adapter port cable to the system board.
5. Connect the coin-cell battery cable to the system board.
6. Connect the keyboard backlit cable to the system board and close the latch to secure the cable.
48 Removing and installing components