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Dell OptiPlex Tower 7020 - Power-Supply Unit Installation

Dell OptiPlex Tower 7020
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Figure 63. Installing the processor fan and heat-sink assembly
Steps
1. Align the screw holes on the processor fan and heat-sink assembly with the screw holes on the system board.
2. Place the processor fan and heat-sink assembly on the processor.
3. In the sequential order (1 > 2 > 3 > 4) etched on the system board, tighten the four captive screws to secure the processor
fan and heat-sink assembly to the system board.
4. Connect the processor fan and heat-sink assembly cable to the connector (FAN CPU) on the system board.
Next steps
1. Install the fan duct.
2. Install the side cover.
3. Follow the procedure in After working inside your computer.
Power-supply unit
Removing the power-supply unit
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.
3. Remove the front bezel.
Removing and installing Field Replaceable Units (FRUs)
89

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