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
Table 8. POST Behavior
Option Description
Numlock LED Specifies if the NumLock function can be enabled when the system boots. This option
is enabled by default.
Keyboard Errors Specifies whether keyboard related errors are reported when it boots. This option is
enabled by default.
POST Hotkeys Specifies whether the sign-on screen displays a message, that displays the keystroke
sequence required to enter the BIOS Boot Option Menu.
• Enable F12 Boot Option menu - This option is enabled by default.
Fastboot Speeds up the boot process by bypassing some compatibility steps. The options are:
• Minimal
• Thorough - This option is selected by default.
• Auto
MEBx Hotkey Specifies whether the MEBx Hotkey function should be enabled when the computer
boots. This option is enabled by default.
Table 9. Virtualization Support
Option Description
Virtualization This option specifies whether a Virtual Machine Monitor (VMM) can utilize the
additional hardware capabilities provided by Intel Virtualization technology.
• Enable Intel Virtualization Technology - This option is enabled by default.
VT for Direct I/O Enables or disables the Virtual Machine Monitor (VMM) from utilizing the additional
hardware capabilities provided by Intel® Virtualization technology for direct I/O.
• Enable Intel Virtualization Technology for Direct I/O - This option is enabled
by default.
Trusted Execution This option specifies whether a Measured Virtual Machine Monitor (MVMM) can
utilize the additional hardware capabilities provided by Intel Trusted Execution
technology. The TPM virtualization technology, and Virtualization technology for
direct I/O must be enabled to use this feature.
• Trusted Execution - This option is disabled by default.
Table 10. Wireless
Option Description
Wireless Device Enable Allows enabling/disabling the internal wireless devices. The options are:
• WLAN
• Bluetooth
Both the options are enabled by default.
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