Dell OptiPlex 9020 AIO Owner's Manual - Page 3

Contents 1 Working on Your Computer...5 Before Working Inside Your Computer...5 Recommended Tools...6 Turning Off Your Computer...6 After Working Inside Your Computer...7 2 Removing and Installing Components 9 System Overview...9 Removing the VESA Stand...10 Installing the VESA Stand...11 Removing the Back Cover...11 Installing the Back Cover...12 Removing the Memory...12 Installing the Memory...13 Removing the VESA Mount Bracket...13 Installing the VESA Mount Bracket...14 Removing the Power and On-Screen Display (OSD) Buttons Board 14 Installing the Power and On-Screen Display (OSD) Buttons Board 15 Removing the System-Board Shield...15 Installing the System-Board Shield...16 Removing the Converter Board...16 Installing the Converter Board...17 Removing the Coin-Cell Battery...17 Installing the Coin-Cell Battery...17 Removing the Optical Drive...17 Installing the Optical Drive...19 Removing the Hard Drive...19 Installing the Hard Drive...20 Removing the Intrusion Switch...21 Installing the Intrusion Switch...22 Removing the Wireless Local Area Network (WLAN) Card 22 Installing the WLAN Card...23 Removing the Heat-Sink Assembly...23 Installing the Heat-Sink Assembly...23 Removing the Processor Fan...24 Installing the Processor Fan...24 Removing the Power-Supply Fan...24 Installing the Power-Supply Fan...25