Dell Latitude 7389 - Installing the WWAN Card; Power Board; Removing the Power Board

3 To remove the WWAN card:
a Remove the M2.0 x 3.0 screw that secures the metal bracket to the WWAN card .
b Lift the metal bracket that secures the WWAN card .
c Disconnect the WWAN cables from the connectors on the WWAN card
d Lift the WWAN card from the computer.
Installing the WWAN card
1 Insert the WWAN card into the connector on the system board.
2 Connect the WWAN cables to the connectors on the WWAN card.
3 Place the metal bracket and replace the M2.0 x 3.0 screw to secure the WLAN card to the computer.
4 Install the:
a battery
NOTE: If you have not removed the battery then you must connect the battery cable to the system board.
b base cover
c MicroSD card
5 Follow the procedure in After working inside your computer.
NOTE: The IMEI number can also be found on the WWAN card.
Power board
Removing the power board
1 Follow the procedure in Before working inside your computer.
2 Remove:
a MicroSD card
b SIM card tray
NOTE
: SIM Card tray is available only if your computer is shipped with a WWAN card.
c base cover
d battery
3 To remove the power board:
a Lift the coin cell battery axed to the computer [1].
b Disconnect the power cable from the power board [2].
c Remove the M2.0x3.0 screws to release the power board [3].
d Lift the power board from the computer [4].
Removing and installing components
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