5. Follow the procedure in After working inside your computer.
Wireless Wide Area Network (WWAN) Card
Removing the WWAN card
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Enter Service Mode.
3. Remove the SIM card.
4. Remove the microSD card.
5. Remove the base cover.
About this task
The following images indicate the location of the WWAN card and provide a visual representation of the removal procedure.
Steps
1. Remove the single (M2x3) screw that secures the WWAN card bracket to the WWAN card.
2. Lift the WWAN-card bracket out of the system.
3. Disconnect the antenna cables from the connectors on the WWAN card.
4. Slide and remove the WWAN card from the WWAN card slot.
Removing and installing components
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