System Fan; Removing The System Fan - Dell Latitude 3520 Service Manual

Table 3. Antenna cable guide
Cable color
White cable (Main)
Black cable (Aux)
2. Align the notch on the WWAN card with the tab on the WWAN card slot.
3. Slide the WWAN card at an angle into the WWAN card slot.
4. Align and place the WWAN card bracket on the WWAN card.
5. Install the screw (M2x3) to secure the WWAN card bracket on the WWAN card to the system board.
6. Close the mylar sheet to cover the WWAN card.
Next steps
1. Install the base cover.
2. Exit the service mode
3. Install the SIM card tray
4. Install the microSD-card.
5. Follow the procedure in

System fan

Removing the system fan

Prerequisites
1. Follow the procedure in
2. Remove the microSD-card.
3. Remove the SIM card tray
4. Enter the service mode.
5. Remove the base cover.
About this task
The following image indicates the location of the system fan and provides a visual representation of the removal procedure.
40 Removing and installing components
for 4G LTE enabled systems.
after working inside your
before working inside your
for systems enabled with 4G LTE.
Connector
White triangle (△) on the WWAN module of the system
board
Solid triangle (▲) on the WWAN module of the system
board
computer.
computer.