Dell Latitude 7220, Service Manual

Page: 61 / 84

Steps
1. Flip and disconnect the smart card reader cable from the connector.
2. Remove the two (M2x5) screws that secure the wireless passthrough daughterboard to the system chassis.
3. Remove the copper adhesive shield, and lift the wireless passthrough daughterboard away from the system.
4. Remove the eight (M2x5) screws that secure the smart card reader to the system chassis.
Installing the smart card reader and wireless passthrough
daughterboard
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 smart card reader and wireless passthrough daughterboard and provides a visual representation of
the installation procedure.
Removing and installing components 61