- Notes, cautions, and warnings
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of Precision 7865 Tower
- Side cover
- Front bezel
- I/O board
- External storage flexbay (Hard drive)
- Removing the hard-drive assembly
- Installing the hard-drive assembly
- Removing a 3.5-inch hard-drive from a hard-drive assembly
- Installing a 3.5-inch hard-drive from hard-drive assembly
- Removing a 2.5-inch hard-disk drive from a hard-drive assembly
- Installing a 2.5-inch hard-drive from a hard-drive assembly
- External storage flexbay (Solid-state drive)
- Slim optical-drive
- Air shroud
- PCIe holder
- Front fan
- 3.5-inch hard-drive assembly
- 2.5-inch hard-drive assembly
- Rear fans
- Memory modules
- M.2 solid-state drive
- Heat sink
- Hard-drive fan assembly
- Processor
- Expansion card
- Removing the powered graphics-card
- Installing the powered graphics-card
- Removing the non-powered graphics card
- Installing the non-powered graphics card
- Removing the UltraSpeed Duo card
- Installing the UltraSpeed Duo card
- Removing the UltraSpeed Quad card
- Installing the UltraSpeed Quad card
- Removing the Thunderbolt PCIe card
- Installing the Thunderbolt PCIe card
- Removing the wireless card
- Installing the wireless card
- Speaker
- Intrusion switch
- Internal hard-drive cage
- Voltage-regulator heat sink
- Removing the voltage-regulator heat sink - Location 1
- Installing the voltage-regulator heat sink - Location 1
- Removing the voltage-regulator heat sink - Location 2
- Installing the voltage-regulator heat sink - Location 2
- Removing the voltage-regulator heat sink - Location 3
- Installing the voltage-regulator heat sink - Location 3
- Power-supply unit
- System board
- Rail kit
- Drivers and downloads
- BIOS setup
- Troubleshooting
- Getting help and contacting Dell
Precision 7865 Tower Service Manual
Installing the wireless card
Prerequisites
About this task
The following images indicate the location of the wireless card and provide a visual representation of the installation procedure.
Steps
- Align the notch on the WLAN card with the tab on the PCIe riser-card.
- Slide the WLAN card at an angle into the PCIe riser-card.
- Install the single (M2x3) screw to secure the WLAN card to the PCIe-riser card.
- Align and slide the PCIe riser card into the expansion-card slot on the system board.
- Connect the PCIe riser-card cable to the connector on system board.
- Route the PCIe riser-card cable through the hook on the chassis.
- Tighten the bolts to secure the external-antenna cable to the connector on the PCIe riser-card.
- Push the external-antenna cover towards the chassis to secure the external-antenna cable.
- Replace the single screw that secures the external-antenna cover to the PCIe riser-card and chassis.
Next steps
- Install the air shroud.
- Install the side cover.
- Follow the procedure in After working inside your computer.
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