Dell Latitude 7424 Rugged Extreme Service Manual

Removing the Smart Card Reader

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. Batteries
   2. Bottom chassis cover
   3. PCIe heatsink assembly
   4. Battery bay
3. Remove the tape from the smart card reader connector[1] and disconnect it [2] from the USH board.
4. Remove the tape from the fingerprint reader connector [3] and disconnect it from the USH board [4].
   
5. Remove the two 'M2*3' screws [1] securing the USH board to the bottom base and turn it up side down [2].
   
6. Remove the tape [1] and disconnect the Smartcard Reader FPC connector [2] from the USH board.
   
7. Loosen the four 'M2*3' screws [1] and remove the smart card [2] reader from the computer.