Dell Latitude 7280 Owner's Manual page 25

a base cover
b battery
c PCIe SSD card
3 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.
4 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].
screw list
Disassembly and reassembly 25