In this video, we will demonstrate how to remove and install 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 3881 Service Manual at dell.com/support Before you begin, ensure that you turn off your computer and disconnect all attached peripherals.
To remove the left-side cover, remove the two thumbscrews that secure the left-side cover to the chassis. Gripping firmly on the tab on the left-side cover, slide the cover towards the back of the computer and remove the left-side cover off of the chassis.
Now, let’s remove the wireless card. Lay the computer with its right side facing down. Remove the screw that secures the wireless card to the system board.
Slide and lift the wireless card bracket off the wireless card. Disconnect the antenna cables from the wireless card. Slide and remove the wireless card at an angle from the wireless card slot.
You’ve successfully removed the wireless card. Now let’s see how to install the wireless card. Connect the antenna cables to the wireless card.
Slide and place the wireless card bracket on the wireless card. Align the notch on the wireless card with the tab on the wireless card slot.
Slide the wireless card at an angle into the wireless card slot, Replace the screw that secures the wireless card to the system board. Once the wireless card is installed, install the left-side cover.
To install the left-side cover, align the tabs on the left-side cover with the slots on the chassis and slide it towards the front of the computer.
Replace the two thumbscrews that secure the left-side cover to the chassis. The wireless card installation process is now completed.
For more information, see the Service Manual document at dell.com/support.