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Dell EMC Latitude 5420 - Page 49

Dell EMC Latitude 5420
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4. Using the pull tab, disconnect the display cable from the connector on the system board.
5. Disconnect the coin-cell battery cable from the connecter on the system board.
NOTE: When you disconnect the coin-cell battery cable from the connecter on the system board, the CMOS setting is
cleared.
6. Open the latch and disconnect the USH board cable from the connector on the system board.
7. Open the latch and disconnect the touch-pad cable from the connector on the system board.
8. Remove the three screws (M2x5) that secure the USB Type-C bracket to the system board.
9. Lift off the USB Type-C bracket off the system board.
10. Remove the four screws (M2x5) that secure the system board to the palm-rest assembly and keyboard assembly.
11. Lift the system board off the palm-rest assembly 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 following image indicates the location of the system board and provides a visual representation of the installation procedure.
Removing and installing components 49

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