Learn how to replace the WWAN card on Dell Pro 13 Premium PA13250 or Dell Pro 14 Premium PA14250. This video shows how to remove and install the WWAN card on Dell Pro 13 Premium PA13250 or Dell Pro 14 Premium PA14250. Before you begin, power off the computer, and disconnect all the attached peripherals. Ensure that you always use ESD protection when working inside the system. If you need more information or assistance, go to: Dell.com/Support.
In this video we show you how to replace the WWAN card on your Dell Pro 13 or 14 premium. Before you begin, create a recovery drive and back up all data. After the data backup is completed, turn the computer off and disconnect all attached peripherals. To enter service mode, press and hold the B key and then press the power button. The computer will boot up and the Owner Tag information is displayed on the screen. Press any key to proceed. The computer will emit three short beeps and shut down.
Ensure that you always use ESD protection when working inside the computer. To begin, loosen the seven captive screws that secure the base cover to the palm-rest and keyboard assembly. Next, use a plastic scribe to pry open the base cover. Start from the indent near the left hinge. Continue prying along the top and sides of the base cover to release And remove it. In case you are unable to enter the service mode, disconnect the battery cable from the system board and drain the flea power. Use a scribe to pry the WWAN shield cover from the top-left side of the shielding cover. Then remove the cover. Loosen the captive screw that secures the WWAN-card bracket to the right I/O-board. Then remove the bracket. Disconnect the antenna cables from the connectors on the WWAN card. Slide and remove the WWAN card from the WWAN-card slot.
To install the WWAN card, align the notch on the card with the tab slot on slot on the right I/O-board and slide it in. Connect the antenna cables to the connectors on the WWAN card. Align and place the WWAN-card bracket on the WWAN card. Tighten the captive screw that secures the bracket. Place the WWAN shielding cover over the card and secure it in place. If you disconnected the battery cable, reconnect it to the battery-cable connector on the system board. Align and place base cover on the palm-rest and keyboard assembly. Then, snap it into place.
Tighten the seven captive screws on the cover. Once the computer is fully assembled, connect the power adapter, and press the power button to turn on the computer. Note: The computer will only power on if the power adapter is connected. For more information about your Dell Pro 13 or 14 Premium, visit Dell.com/Support.
