Steps
1. Using a screwdriver, remove the fixed PCIe blanking plate from the chassis.
NOTE: This step is applicable only when the external SMA antenna module is being installed for the first time.
NOTE: To remove the fixed PCIe blanking plate, insert a flat-head screwdriver in the hole of the cover, push the
blanking plate to release it, and then lift the blanking plate off the chassis.
NOTE: Ensure to keep the PCIe blanking plate safe for future use.
2. Lift the pull tab on the PCIe door outwards to open the PCIe door.
3. Remove the PCIe blanking plate from the slots on the chassis.
NOTE: This step is applicable only when the external SMA antenna module is not being installed for the first time.
NOTE: Ensure to keep the PCIe blanking plate safe for future use.
4. Align the notch on the external SMA antenna module with the tab on the PCIe card connector (SLOT4) on the system
board.
5. Gently press down on the external SMA antenna module to connect it to the PCIe card connector on the system board.
6. Close the PCIe door and press it gently until it clicks in place on the chassis, to secure the external SMA antenna module.
7. Open the retention clip, route the external SMA antenna-module cables through the retention clip and close the clip to
secure the cables.
Next steps
1. Install the wireless card.
2. Install the external puck antenna.
3. Install the side cover.
4. Follow the procedure in After working inside your computer.
Processor fan and heat-sink assembly
Removing the processor fan and heat-sink assembly (for 65 W
processors)
CAUTION: The information in this removal section is intended for authorized service technicians only.
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the side cover.
About this task
WARNING:
The processor fan and heat-sink assembly may become hot during normal operation. Allow sufficient
time for the processor fan and heat-sink assembly to cool before you touch it.
CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils
in your skin can reduce the heat transfer capability of the thermal grease.
The following images indicate the location of the processor fan and heat-sink assembly and provide a visual representation of
the removal procedure.
98
Removing and installing Field Replaceable Units (FRUs)
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