Dell Latitude 5285, Owner'S Manual

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Installing system board
1. Align the system board with the screw holders on the tablet.
2. Tighten the M2.0 x 2.5 screws to secure the system board to the tablet.
NOTE: Remember to align the Type-C port and tighten the two screws to secure the port to the system chassis.
3. Route the antenna cables through the routing clips and channels.
4. Connect the docking board cable, speaker cable and the USH board cable to the connectors on the system board.
5. Install the:
a. heat sink
b. rear facing camera
c. front facing camera
NOTE: Remove the IR camera if shipped and installed on the tablet (optional).
d. system fan
e. WLAN card
NOTE: Remove the WWAN card installed on tablets shipped with WWAM module (optional).
f. SSD card
g. battery
h. display panel
i. uSIM/microSD
NOTE: uSIM card is installed only on tablets shipping with WWAN module.
6. Follow the procedure in After working inside your tablet .
Coin cell battery
Removing the coin cell battery
Coin cell battery connector is located beneath the system board.
1. Follow the procedure in
Before working inside your tablet .
2. Remove the:
a. uSIM and/or microSD card
NOTE: uSIM card slot is available only on tablets shipping with WWAN module.
b. display panel
c. battery
d. system board
3. To remove the coin cell battery:
a. Disconnect the coin cell battery cable from the connector beneath the system board.
b. Lift the coin cell battery from the tablet.
36 Using your tablet