Installing The Wlan Card - Dell OptiPlex 7090 Micro Form Factor Service Manual

Steps
1. Using a plastic scribe pry open the WWAN card shielding cover from the sides of the WWAN card shielding cover.
2. Lift the WWAN card shielding cover away from the the computer.
3. Remove the (M2x3.5) screw that secures the WLAN card bracket to the system board.
4. Slide and lift the WLAN card bracket away from the WLAN card.
5. Disconnect the antenna cables from the WLAN card.
6. Slide and remove the WLAN card from the connector on the system board.

Installing the WLAN card

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
22 Removing and installing components