Dell Precision 5860 Tower Service Manual page 81

Steps
1. Align the notch on the WLAN card with the tab on the PCIe riser-card.
2. Slide the WLAN card at an angle into the PCIe riser-card.
3. Install the single (M2x3) screw to secure the WLAN card to the PCIe-riser card.
4. Align and slide the PCIe riser card into the expansion-card slot on the system board.
5. Connect the PCIe riser-card cable to the connector on system board.
6. Route the PCIe riser-card cable through the hook on the chassis.
7. Tighten the bolts to secure the external-antenna cable to the connector on the PCIe riser-card.
8. Push the external-antenna cover towards the chassis to secure the external-antenna cable.
9. Replace the single screw that secures the external-antenna cover to the PCIe riser-card and chassis.
Next steps
1. Install the air shroud.
2. Install the side cover.
3. Follow the procedure in After working inside your computer.
Removing and installing components 81