In this video, we will demonstrate how to replace the wireless card. Before removing the wireless 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 Inspiron 7506 2-in-1 Silver Service Manual at: Dell.com/Support. Before you begin, ensure that you create a recovery drive and back up all data. Ensure that you turn off your computer and disconnect all attached peripherals. To remove the base cover, remove the six screws that secure the base cover to the palm rest and keyboard assembly.
Then, loosen the three captive screws that secure the base cover to the palm rest and keyboard assembly. Starting from the top right corner, use a plastic scribe to pry off the base cover to release the base cover from the palm rest and keyboard assembly. Peel the tape that secures the battery cable to the system board. Disconnect the battery cable from the system board. Turn your computer over and press the "Power" button for 15 seconds to drain the flea power.
Now, let's remove the wireless card. First, remove the screw that secures the wireless card bracket to the wireless card and system board. Then, remove the wireless card bracket from the wireless card. Disconnect the antenna cables from the wireless card and remove the antenna cables from the routing guides on the palm rest and keyboard assembly. Slide and remove the wireless card from the wireless card slot. You have successfully removed the wireless card.
Now, let's install the wireless card. Connect the antenna cables to the wireless card and insert the wireless card at an angle into the wireless card slot. Align the screw hole on the wireless card bracket with the screw hole on the wireless card and palm rest and keyboard assembly. Replace the screw that secures the wireless card bracket to the wireless card and system board, and route the antenna cables through the routing guides on the palm rest and keyboard assembly. Once the wireless card is installed, connect the battery cable and install the base cover back to the computer.
Connect the battery cable to the system board. To install the base cover, align the screw holes on the base cover with the screw holes on the palm rest and keyboard assembly and then snap the base cover into place. Replace the six screws that secure the base cover to the palm rest and keyboard assembly.
Tighten the three captive screws that secure the base cover to the palm rest and keyboard assembly. The wireless card installation process is now complete. For additional information about this procedure and more, see the Service Manual document at: Dell.com/Support.
