Dell OptiPlex All-in-One Plus 7420 - Installing the wireless card

About this task
The following image indicates the location of the wireless card and provides a visual representation of the removal procedure.
Figure 27. Removing the wireless card
Steps
1. Remove the screw (M2x3.5) that secures the wireless-card bracket to the wireless card.
2. Lift the wireless-card bracket off the wireless card.
3. Disconnect the antenna cables from the wireless card.
4. Slide and lift the wireless card from the wireless-card slot (M.2 WLAN).
Installing the wireless card
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following image indicates the location of the wireless card and provides a visual representation of the installation procedure.
54
Removing and installing Customer Replaceable Units (CRUs)