Wwan Card; Removing The Wwan Card; Installing The Wwan Card; Power Board - Dell Latitude 7280 Owner's Manual

WWAN card

Removing the WWAN card

1 Follow the procedure in
2 Remove:
a MicroSD card
b base cover
c battery
NOTE:
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:
b base cover
c MicroSD card
5 Follow the procedure in
NOTE: The IMEI number can also be found on the WWAN card.

Power board

Removing the power board

1 Follow the procedure in
2 Remove:
a MicroSD card
b SIM card tray
NOTE:
c base cover
d battery
3 To remove the power board:
a Peel the coin cell battery affixed to the computer [1].
b Disconnect the power cable from the system board [2].
Before working inside your
You need not remove the battery, instead you can disconnect the battery cable from the system
If you have not removed the battery then you must connect the battery cable to the system board.
After working inside your computer.
Before working inside your
SIM Card tray is available only if your computer is shipped with a WWAN card.
computer.
computer.
Removing and installing components 15