Personal Computer User Manual
Table Of Contents
- Dell OptiPlex 9020 AIO Owner's Manual
- Working on Your Computer
- Removing and Installing Components
- System Overview
- Removing the VESA Stand
- Installing the VESA Stand
- Removing the Back Cover
- Installing the Back Cover
- Removing the Memory
- Installing the Memory
- Removing the VESA Mount Bracket
- Installing the VESA Mount Bracket
- Removing the Power and On-Screen Display (OSD) Buttons Board
- Installing the Power and OSD Buttons Board
- Removing the System-Board Shield
- Installing the System-Board Shield
- Removing the Converter Board
- Installing the Converter Board
- Removing the Coin-Cell Battery
- Installing the Coin-Cell Battery
- Removing the Optical Drive
- Installing the Optical Drive
- Removing the Hard Drive
- Installing the Hard Drive
- Removing the Intrusion Switch
- Installing the Intrusion Switch
- Removing the Wireless Local Area Network (WLAN) Card
- Installing the WLAN Card
- Removing the Heat-Sink Assembly
- Installing the Heat-Sink Assembly
- Removing the Processor Fan
- Installing the Processor Fan
- Removing the Power-Supply Fan
- Installing the Power-Supply Fan
- Removing the I/O Board Shield
- Installing the I/O Board Shield
- Removing the Power Supply Unit (PSU)
- Installing the Power Supply Unit
- Removing the Processor
- Installing the Processor
- Removing the Speakers
- Installing the Speakers
- Removing the System Board
- System Board Layout
- Installing the System Board
- Removing the Heat Sink (Graphics Card)
- Installing the Heat Sink (Graphics Card)
- Removing the Antenna Module
- Installing the Antenna Module
- Removing the Display Panel
- Installing the Display Panel
- Removing the Camera
- Installing the Camera
- System Setup
- Technical Specifications
- Contacting Dell
After Working Inside Your Computer
After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before
turning on your computer.
1. Replace the cover.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the
computer.
2. Connect any telephone or network cables to your computer.
3. Connect your computer and all attached devices to their electrical outlets.
4. Turn on your computer.
5. If required, verify that the computer works correctly by running the Dell Diagnostics.
Important Information
NOTE: Avoid using the touchscreen in dusty, hot, or humid environments.
NOTE: Sudden change in temperature may cause condensation on the inner surface of the glass screen, which will
disappear after a short time and does not affect normal usage.
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