Dell Latitude 7390 2-in-1 - Installing the Fingerprint Reader Board; Removing the Led Board

Installing the ngerprint reader board
1 Install the ngerprint reader board into the slot.
2 Place the ngerprint reader bracket on the board.
3 Replace 1(M2 x 3) screw to secure the bracket to the board.
4 Connect the ngerprint reader cable to the ngerprint reader board and the USH board.
5 Ax the coin cell battery on the speaker cable
6 Install the:
a Battery
b Base cover
c SIM card tray
d MicroSD card
NOTE
: To install both cards if equipped.
7 Follow the procedure in After working inside your computer.
LED Board
Removing the LED board
1 Follow the procedure in Before working inside your computer.
2 Remove:
a Micro SD
b SIM card tray
NOTE
: To remove both cards if equipped and no need to remove the blank ller
Removing and installing components 21