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Dell Precision 7820 Tower Wi-Fi Bluetooth Module Installation Guide

Summary

Installation guide for Wi-Fi Bluetooth module in Dell Precision 7820 Tower workstation. Covers safety, ESD protection, and working inside procedures. Details removal/installation of Wi-Fi Bluetooth module: antenna cable routing, module insertion/removal from system board connector, and securing with screws. Includes system board diagrams showing wireless module location and antenna cable connections. Also covers supported wireless cards and antenna configurations. For Dell-authorized service technicians.

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Dell Precision 7820 Tower Wi-Fi Bluetooth Module Installation Guide

Page Summary Contents For Dell Precision 7820 Tower Wi-Fi Bluetooth Module Installation Guide

Page 1 Dell Precision 7820 Tower Wi-Fi Bluetooth Module Installation Guide
Page 2 Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of d...
Page 3 Contents 1 Before you begin............................................................................................................................................ Safety instructions................
Page 4 Before you begin Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure inclu...
Page 5 7 Remove any installed Express Cards or Smart Cards from the appropriate slots. Safety precautions The safety precautions chapter details the primary steps to be taken before performing any disassembl...
Page 6 Use a wired ESD wrist strap that is properly grounded. The use of wireless anti-static straps is no longer allowed; they do not provide adequate protection. Touching the chassis before handling parts ...
Page 7 Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe...
Page 8 Wi-Fi Bluetooth Wi-Fi Bluetooth Module installation kit The following components are required to install the Wi-Fi/ Bluetooth (BT) module: Wi-Fi/BT PCIe adapter card Wi-Fi card screw Wi-Fi card bracke...
Page 9 3 Connect one end of the Wi-Fi/BT PCIe adapter card cable socket to the connector on the Wi-Fi/BT PCIe adapter card. Wi-Fi Bluetooth
Page 10 4 To remove the side cover: Press the latch. Wi-Fi Bluetooth
Page 11 Pull the latch [1] upward and slide the side cover outwards to remove it from the system [2]. Wi-Fi Bluetooth
Page 12 5 To remove the PCIe card holder: NOTE: If full length cards are installed, you will need to remove these cards before removing the holder. If Mega RAID 9460 is installed, disconnect the Super CAP fro...
Page 13 6 To remove the filler bracket: Press and rotate the PCI latch backward [1] to unlock the filler bracket. Remove the filler bracket from the slot on the system [2]. Wi-Fi Bluetooth
Page 14 7 Align and place the Wi-Fi/BT PCIe adapter card in the blank PCI filler slot Wi-Fi Bluetooth
Page 15 8 To connect the Wi-Fi/BT PCIe adapter card cable: Lock both the PCI latch brackets forward on the filler bracket to secure the Wi-Fi/BT PCIe adapter card to the system board [1]. Route the Wi-Fi/BT P...
Page 16 9 To install the PCIe holder: Align and place the PCIe holder to the system chassis [1]. Then, press the holder back until it clicks to the system. Connect the two power cables to the cable slots in t...
Page 17 10 Align and install the side cover to the system. Wi-Fi Bluetooth
Page 18 CAUTION: Ensure to install the side cover on the system to prevent any hazards or loss of components. 11 To install the external antenna: Pass the external antenna cables through the openings on the p...
Page 19 Wi-Fi Bluetooth
Page 20 Getting help Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provid...

Manual Details

Brand Dell
Pages 20
File Size 3.53 MB
Published June 25, 2026
5 views

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Frequently Asked Questions

How do I safely prepare to install the Wi-Fi Bluetooth module?

Disconnect all power sources, read the safety information shipped with the computer, and ground yourself using a wrist strap or unpainted metal surface to avoid electrostatic discharge.

What are the steps to install the external antenna?

Pass the cables through the openings on the plastic cover, fasten them to the Wi-Fi/BT PCIe adapter card, and tighten the screw to secure the plastic cover to the PCI panel.

How do I route the cable for the Wi-Fi/BT PCIe adapter card?

Route the cable through the routing channels on the system chassis and connect the other end to the socket on the system board.

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