How to replace the WLAN for Dell Vostro 7500

This video will demonstrate the replacement procedure of the WLAN card for a Vostro 7500.

In this video, we will demonstrate how to remove and install the WLAN card. Before removing the WLAN, 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 Dell Vostro 7500 Service Manual at dell.com/support. Before you begin, ensure that you turn off your computer and disconnect all attached peripherals.

To get started, turn the computer over and remove the seven screws that secure the base cover. Loosen the two captive screws that secure the base cover to the palmrest and keyboard assembly. Using the flat-end of a plastic scribe, pry the base cover starting from the recess at the hinge area and work your way around. Lift and remove the base cover away from the computer. Disconnect the battery cable from the connector on the system board.

Turn the computer over and open the display. Press and hold the power button for five seconds to ground the computer and drain the flea power. After draining the flea power, close the display, and turn the computer over. Now, let’s remove the WLAN card. Remove the single screw that secures the WLAN card bracket and WLAN card to the system board. You can now remove the WLAN card bracket.

Now, gently slide and lift the WLAN card away from the WLAN card slot on the system board. 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 their connectors as indicated by the black and white triangles on the WLAN card and place the WLAN card bracket on WLAN card to secure the antenna cables.

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. Now, align the bracket with the card and replace the screw to secure the bracket to the WLAN card. Connect the battery cable to the connector on the system board. Align and place the base cover on the palmrest and keyboard assembly.

Gently press around the edges of the base cover until it clicks into place. Now, tighten the two captive screws to secure the base cover to the palm-rest and keyboard assembly and finally replace the seven screws. You have now successfully installed the WLAN card. You can now connect all the peripherals and turn on your computer. For more information, see the Service Manual at dell.com/support.