1 Align the notch on the WWAN card with the tab on the WWAN-card slot and insert the WWAN card at an angle into the WWAN-card
slot.
2 Connect the antenna cables to the WWAN card and align the WWAN-card bracket on the WWAN card.
3 Replace the screw (M2x2.5) that secures the WWAN bracket to the WWAN card.
1 Install the battery.
2 Install the base cover.
3 Follow the procedure in After working inside your computer.
Touchpad
Removing the touchpad
1 Follow the procedure in Before working inside your computer.
2 Remove the base cover.
3 Remove the battery.
The following image indicates the location of touchpad and provides a visual representation of the removal procedure.
Removing and installing components
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