Dell Latitude 7280 Owner's Manual page 26

2. Remove the base cover.
3. Disconnect the battery cable from the connector on the system board.
4. Remove the PCIe SSD card
5. To disconnect the smart card cable:
a. Disconnect the smart card cable [1].
NOTE: Ensure to gently push the connector, to avoid damage to the smart card head.
b. Lift the smart card cable that is affixed to the touchpad module [2].
NOTE: Ensure to pull gently to release it with adhesive tape.
6. To remove the smart card cage:
NOTE: To identify the number of screws, see
a. Remove the M2 x 3 screws (2) that secure the smart card cage to the computer [1].
b. Slide and lift the smart card cage from the computer [2].
26 Disassembly and reassembly
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screw list.