Dell P72S User Manual page 35

c. WLAN card
d. SSD card
e. chassis frame
3. To release the smart card reader board:
a. Disconnect the smart card reader board board cable from the connector [1].
b. Peel the cable to release from the adhesive [2].
4. To remove the smart card reader board:
a. Remove the screws that secure the smart card reader board to the palmrest [1].
b. Slide and remove the smart card reader from the slot [2].
Disassembly and reassembly 35