Installing The Wireless Card; Speaker; Removing The Speaker - Dell Precision 7865 Tower Service Manual

About this task
The following images indicate the location of the wireless card and provide a visual representation of the removal procedure.
Steps
1. Loosen the captive screw on the external-antenna cover.
2. Remove the external-antenna cover from over the antenna connectors on the PCIe-riser card.
3. Loosen the bolts on the external-antenna cable connector.
4. Disconnect the PCIe-riser card cable from the connector on the system board.
5. Remove the PCIe-riser card cable from the routing guide on the chassis.
6. Push the PCIe latch to open the PCIe door.
7. Remove the PCIe-riser card from the expansion-card slot.
8. Remove the single (M2x3) screw from the WLAN card.
9. Disconnect the WLAN antenna cables from the connectors on the WLAN card.
10. Slide and remove the WLAN card from the WLAN slot on the PCIe-riser card.

Installing the wireless card

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following images indicate the location of the wireless card and provide a visual representation of the installation procedure.
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

Speaker

Removing the speaker

Prerequisites
1. Follow the procedure in
2. Remove the side cover.
3. Remove the front bezel.
4. Remove the air shroud.
After working inside your
Before working inside your
computer.
computer.
Removing and installing components 75