How to replace the Wireless Module (WLAN) on a Dell Pro 14 Essential PV14250

This 3D experience gives you the step by step process of replacing the Wireless Module (WLAN) and a PV14250 Dell Pro 14 Essential. The procedure will also include removing the Base Cover, WLAN and reinstalling them.

Removal

Base Cover

1. Identify the base cover highlighted in blue.
2. Loosen the screws that secure the base cover to the palm rest.
3. Remove the screws that secure the base cover to the palm rest.
4. Pry the base cover near the top left corner of the hinge. Pry from recess points near the hinges.
5. Loosen the base cover by working on the left, right and, bottom sides to open the base cover.
6. Lift the base cover off the system.

Wireless Module (WLAN)

1. Identify the wireless module (WLAN) highlighted in blue.
2. Remove the screw that secures the bracket to the system board.
3. Remove the bracket off the wireless module.
4. Disconnect the antenna cables (black and white cables) from the wireless module.
5. Slide and remove the WLAN card from the system board.

Install

Wireless Module (WLAN)

1. Identify the wireless module (WLAN) location highlighted in blue.
2. Slide and insert the WLAN card into the slot on the system board.
3. Connect the black cable to the auxiliary (black triangle).
4. Connect the white cable to the main (white triangle).
5. Install the bracket on the wireless module.
6. Install the screw that secure the bracket to the system board.

Base Cover

1. Identify the base cover location highlighted in blue.
2. Align the base cover and press the edges of the cover until it clicks into place.
3. Tighten the screws that secure the base cover to the palm rest.
4. Install the screws that secure the base cover to the plam rest.