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Replace the Wi-Fi Card in Dell Pro 24 AIO QC24251

Dell Technologies
07/16/2026
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and ensure your personal safety. For more information about safety guidelines, see the Owner's Manual at dell.com slash support. Before you begin, turn off the computer and disconnect all the attached peripherals. To remove the wireless module, unlatch the stand and lift it off the system. Unlatch and remove the back cover. Identify the system board shield and remove the six screws. Lift the shield out of the system. Identify the wireless module and remove the screw. Unlatch and disconnect the cables to lift the module out of the system. To reinstall the wireless module, place it back in the system and reconnect the cables. Relatch and install the screw to secure it. Place the system board shield back in the system and secure it with the six screws. Attach the back cover to the system and then relatch the stand. For more information about your Dell system, visit dell.com slash support.

TL;DR

  • Power off the Dell Pro 24 AIO QC24251 and disconnect all peripherals before beginning any disassembly to ensure personal and component safety.
  • Removing the wireless card requires unlatching the stand, removing the back cover, and extracting the system board shield secured by six screws.
  • The wireless module is released by removing one screw and disconnecting the antenna cables; reinstallation follows the exact reverse sequence.

Summary

This short official tutorial from Dell Technologies walks through the complete process of removing and reinstalling the WLAN wireless network card in the Dell Pro 24 All-in-One (AIO) QC24251 desktop. The procedure begins with essential safety precautions — powering down the system, disconnecting all peripherals, and following ESD (Electrostatic Discharge) guidelines to prevent component damage. The disassembly sequence covers unlatching the stand, removing the back cover, extracting the system board shield by releasing six screws, and then carefully disconnecting the antenna cables before lifting the wireless module free. Reinstallation follows the exact reverse order: seating the module, reconnecting cables, securing the screw, replacing the shield and back cover, and reattaching the stand. Viewers are directed to the official Dell Owner's Manual at dell.com/support for detailed safety instructions and compatible replacement parts via the Dell Parts Selector tool.

Chapters

0:00 - Safety Precautions
0:17 - Preparing the System
0:23 - Removing the Wireless Module
0:42 - Reinstalling the Wireless Module

Key Quotes

0:00 "Be sure to read and follow the safety guidelines to protect your computer from potential damage and ensure your personal safety."
0:35 "Identify the wireless module and remove the screw."
0:39 "Unlatch and disconnect the cables to lift the module out of the system."

FAQ

What tools and precautions are needed before replacing the Wi-Fi card in the Dell Pro 24 AIO QC24251?

You should power off the computer, disconnect all attached peripherals, and use proper Electrostatic Discharge (ESD) protection. Consult the Owner's Manual at dell.com/support for a full list of recommended tools and safety instructions.

In what order are the components removed to access the wireless module?

First unlatch and remove the stand, then remove the back cover, then remove the six screws securing the system board shield and lift it out. The wireless module is then accessible — remove its single screw and disconnect the antenna cables to extract it.

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