Installing The Smart Card Cage; Removing The Fingerprint Reader Board; Fingerprint Board - Dell Latitude 7390 2-in-1 Owner's Manual

Installing the smart card cage

1 Slide the smart card cage into the slot to align with the screw holders on the computer.
2 Replace the 2 (M2 x 2.0) screws to secure the smart card cage to the computer.
3 Affix the thermal pad on the SSD module.
4 Affix the LED board cable and connect it to the LED board on the computer.
5 Affix the smart card cable and connect it to the USH board on the computer .
6 Install the:
a SSD card
b battery
c base cover
d SIM card tray
e MicroSD card
NOTE: To install both cards if equipped.
7 Follow the procedure in

Fingerprint Board

Removing the fingerprint reader board

1 Follow the procedure in
2 Remove:
a Micro SD
b SIM card tray
NOTE: To remove both cards if equipped and no need to remove the blank filler
c Base cover
d Battery
3 To remove the fingerprint reader board:
a Lift the coin cell battery affixed to the speaker cables [1].
b Disconnect the finger print reader cables from the fingerprint reader board and the USH board [2].
NOTE: The cable should be released so that it does not tear.
c Remove 1(M2 x 3) screw that secures the fingerprint reader bracket to the computer [3].
d Lift the fingerprint reader bracket from the fingerprint reader board [4].
e Lift the fingerprint reader board from the slot on the computer.
NOTE: Fingerprint reader board is affixed to the palm rest and you may need a plastic scribe to lift the fingerprint
reader board.
20 Removing and installing components
After working inside your computer.
Before working inside your computer.