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
Keys Navigation
<Enter> Allows you to select a value in the selected field (if applicable) or follow the link in the field.
Spacebar Expands or collapses a drop‐down list, if applicable.
<Tab> Moves to the next focus area.
NOTE: For the standard graphics browser only.
<Esc> Moves to the previous page till you view the main screen. Pressing <Esc> in the main screen
displays a message that prompts you to save any unsaved changes and restarts the system.
<F1> Displays the System Setup help file.
System Setup Options
NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not appear
Table 2. General
Option Description
System Information Displays the following information:
• System Information - Displays BIOS Version, Service Tag, Asset Tag,
Ownership Tag, Ownership Date, Manufacture Date, and Express Service
Code.
• Memory Information - Displays Memory Installed, Memory Available,
Memory Speed, Memory Channels Mode, Memory Technology, DIMM A Size,
DIMM B Size.
• PCI Information - Displays SLOT1
• Processor Information - Displays Processor Type, Core Count, Processor ID,
Current Clock Speed, Minimum Clock Speed, Maximum Clock Speed,
Processor L2 Cache, Processor L3 Cache, HT Capable, and 64-Bit
Technology.
• Device Information - Displays SATA-0, SATA-1, SATA-4, LOM MAC Address,
and Video Controller Audio Controller, Wi-Fi Device, Bluetooth Device.
Boot Sequence
Allows you to specify the order in which the computer attempts to find an operating
system. To change the boot order, select the device that you want to change in the
list, which is available on the right-hand side. After you select the device, click up/
down arrows or use your keyboard PgUp / PgDn keys to change the boot options
order. You can also select or de-select from the list using the check-boxes available
on the left hand side. You should enable the Legacy Option ROMs to setup the Legacy
boot mode. This Legacy boot mode is not allowed when you enable the Secure Boot.
The options are:
• Boot Sequence - By default, the Windows Boot Manager check box is
selected.
NOTE: The default option might differ based on the operating system of
your computer.
• Boot List Option - The list options are Legacy and UEFI. By default, the option
UEFI is selected.
NOTE: The default option might differ based on the operating system of
your computer.
• Add Boot Option - Enables you to add a boot option.
• Delete Boot Option - Enables you to delete an existing boot option.
44