System Fan; Removing The System Fan - Dell Latitude 9420 Service Manual

NOTE: If any of the thermal pads located underneath the WWAN card are detached from the system board when
removing the WWAN card from the system, adhere them back on the system board.
2. Slide the WWAN card at an angle into the WWAN-card slot.
3. Align and place the WWAN-card shielding cover, press to fit it firmly to cover the WWAN card.
4. Connect the antenna cables to the connectors on the WWAN card.
5. Align and place the WWAN-card bracket on the system board and WWAN card, and tighten the single captive screw.
NOTE: For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number,
see the knowledge base article
Next steps
1. Install the base cover.
2. Install the SIM card tray.
3. Install the SD card.
4. Exit service mode.
5. Follow the procedure in

System fan

Removing the system fan

Prerequisites
1. Follow the procedure in
2. Remove the SD card.
3. Remove the SIM card
4. Enter service mode.
5. Remove the base cover.
About this task
The following images indicate the location of the system fan and provide a visual representation of the removal procedure.
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After working on your computer.
before working inside your
tray.
at www.dell.com/support.
computer.
Removing and installing components 25