Dell Latitude 7220, Руководство по обслуживанию

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Steps
1. Disconnect the DC-in cable from the connector and remove the (M2x5) screw that secures the system board to the system chassis.
2. Lift the latch, and disconnect the micro serial port cable from the connector.
3. Remove the four (M2x5) screws and two (M1.6x5) screws that secure the metal bracket to the system chassis.
4. Lift and remove the metal bracket from system.
5. Remove the (M2x5) screw that secures the DC-in port and serial port to the system chassis.
6. Flip the cables and lift the rubber grommet to release the DC-in and serial port from the system chassis.
NOTE: Rubber grommet ensures to secure the micro serial port cable from damage.
Installing micro serial port and power connector port
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 micro serial port and power connector (DC-in) port and provides a visual representation of the
installation procedure.
Removing and installing components 55