- Notes, Cautions, and Warnings
- Working on Your Computer
- Removing and
Installing Components
- Recommended Tools
- System Overview
- Removing the Cover
- Installing the Cover
- Removing the Front Bezel
- Installing the Front Bezel
- Removing the Drive Cage
- Installing the Drive Cage
- Removing the Wireless Local Area Network (WLAN) Card
- Installing the WLAN Card
- Removing the Optical Drive
- Installing the Optical Drive
- Removing the Hard Drive
- Installing the Hard Drive
- Removing the Intrusion Switch
- Installing the Intrusion Switch
- Memory Module Guidelines
- Removing the Memory
- Installing the Memory
- Removing the Speaker
- Installing the Internal Speaker
- Removing the Power-Switch Board
- Installing the Power-Switch Board
- Removing the Input/Output(I/O) Panel
- Installing the I/O Panel
- Removing the Power Supply Unit
- Installing The Power Supply Unit
- Removing the Heat Sink Assembly
- Installing the Heat Sink Assembly
- Removing the processor
- Installing the Processor
- Removing the Coin-Cell Battery
- Installing the Coin-Cell Battery
- Removing the System Fan
- Installing the System Fan
- Removing the System Board
- System Board Layout
- Installing the System Board
- System Setup
- Diagnostics
- Troubleshooting Your Computer
- Specifications
- Contacting Dell
Dell OptiPlex 9020 Ultra Small Form Factor Owner's Manual
Installing The Power Supply Unit
- Place the power supply in the chassis and slide outward to secure it.
- Tighten the screws to secure the power supply to the back of the computer.
- Tighten the screws that secure the power supply to the chassis.
- Connect the power cables to the system board.
-
Install:
- intrusion switch
- drive cage
- front bezel
- cover
- Follow the procedures in After Working Inside Your Computer.
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