In this video, we will demonstrate how to remove and install the WLAN card. Before removing the WLAN card, read through the safety guidelines to protect your computer from potential damage and ensure your personal safety.
For more information about safety guidelines, see the Vostro 3888 Tower Service Manual at Dell.com/support. Before you begin, ensure that you tun off your computer and disconnect all the attached peripherals.
To get started, place the desktop on the side and loosen the two captive screws that secure the side cover to the computer. Slide the side cover towards the back of the chassis and lift it off the system. Now let’s remove the WLAN card. Remove the single screw that secures the WLAN card bracket to the system board.
You can now remove the WLAN card bracket that secures the WLAN card. Gently, slide and lift the WLAN card. Carefully, disconnect the antenna cables from the connectors on the WLAN card. You have successfully removed the WLAN card. Now, let’s see how to install the WLAN card.
To begin, Connect the antenna cables to it's connectors as indicated by the black and white triangles on the WLAN card. You can now align the notch on the WLAN card with the tab on the WLAN card slot and insert the WLAN card into the connector on the system board. Align and place the WLAN card bracket over the WLAN card to secure the antenna cables.
Replace the single screw that secures the WLAN card to the system board. To install the side cover, align the tabs on the side cover with the slots on the chassis and replace the side cover on the chassis. Slide the side cover towards the front of the unit and tighten the two captive screws to secure the side cover to the chassis.
You have now successfully installed the WLAN card. Now connect all the peripherals and turn on your computer. For more information, see the Service Manual at Dell.com/support.
