User Guide
Table Of Contents
- Dell PowerEdge R720 and R720xd Owner's Manual
- About Your System
- Using The System Setup and Boot Manager
- Installing System Components
- Recommended Tools
- Front Bezel (Optional)
- Opening And Closing The System
- Inside The System
- Cooling Shroud
- System memory
- Hard Drives
- Removing A 2.5 Inch Hard-Drive Blank
- Installing A 2.5 Inch Hard-Drive Blank
- Removing A 2.5 Inch Hard-Drive Blank (Back)
- Installing A 2.5 Inch Hard-Drive Blank (Back)
- Removing A 3.5 Inch Hard-Drive Blank
- Installing A 3.5 Inch Hard-Drive Blank
- Removing A Hot-Swap Hard Drive
- Installing A Hot-Swap Hard Drive
- Removing A Hard Drive From A Hard-Drive Carrier
- Installing A Hard Drive Into A Hard-Drive Carrier
- Optical Drive (Optional)
- Cooling Fans
- Internal USB Memory Key (Optional)
- PCIe Card Holder
- Top Cover Lock Latch
- Cable Retention Bracket
- Expansion Cards And Expansion-Card Risers
- Expansion Card Installation Guidelines
- Removing An Expansion Card From The Expansion-Card Riser 2 Or 3
- Installing An Expansion Card Into The Expansion-Card Riser 2 Or 3
- Removing An Expansion Card From The Expansion-Card Riser 1
- Installing An Expansion Card Into The Expansion-Card Riser 1
- Removing Expansion-Card Risers
- Installing Expansion-Card Risers
- GPU Card Installation Guidelines
- Installing A GPU Card
- Removing A GPU Card
- SD vFlash Card
- Internal Dual SD Module
- Internal SD Card
- Integrated Storage Controller Card
- Network Daughter Card
- Processors
- Power Supplies
- System Battery
- Hard-Drive Backplane
- Control Panel Board
- System Board
- Troubleshooting Your System
- Safety First—For You And Your System
- Troubleshooting System Startup Failure
- Troubleshooting External Connections
- Troubleshooting The Video Subsystem
- Troubleshooting A USB Device
- Troubleshooting A Serial I/O Device
- Troubleshooting A NIC
- Troubleshooting A Wet System
- Troubleshooting A Damaged System
- Troubleshooting The System Battery
- Troubleshooting Power Supplies
- Troubleshooting Cooling Problems
- Troubleshooting Cooling Fans
- Troubleshooting System Memory
- Troubleshooting An Internal USB Key
- Troubleshooting An SD Card
- Troubleshooting An Optical Drive
- Troubleshooting A Tape Backup Unit
- Troubleshooting A Hard Drive
- Troubleshooting A Storage Controller
- Troubleshooting Expansion Cards
- Troubleshooting Processors
- Using System Diagnostics
- Jumpers And Connectors
- Technical Specifications
- System Messages
- Getting Help

Using The Boot Manager Navigation Keys
Key Description
Up arrow Moves to the previous field.
Down arrow Moves to the next field.
<Enter> Allows you to type in 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
exits the Boot Manager and proceeds with system boot.
<F1> Displays the System Setup help file.
NOTE
: For most of the options, any changes that you make are recorded but do not take effect until you restart the
system.
Boot Manager Screen
Menu Item Description
Continue Normal
Boot
The system attempts to boot to devices starting with the first item in the boot order. If the boot
attempt fails, the system continues with the next item in the boot order until the boot is
successful or no more boot options are found.
BIOS Boot Menu Displays the list of available BIOS boot options (marked with asterisks). Select the boot option
you wish to use and press <Enter>.
UEFI Boot Menu Displays the list of available UEFI boot options (marked with asterisks). Select the boot option
you wish to use and press <Enter>. The UEFI Boot Menu enables you to
Add Boot Option,
Delete Boot Option, or Boot From File.
Driver Health Menu Displays a list of the drivers installed on the system and their health status.
Launch System Setup Enables you to access the System Setup.
System Utilities Enables you to access the BIOS Update File Explorer, run the Dell Diagnostics program, and
reboot the system.
UEFI Boot Menu
Menu Item Description
Select UEFI Boot
Option
Displays the list of available UEFI boot options (marked with asterisks), select the boot option
you wish to use and press <Enter>.
Add Boot Option Adds a new boot option.
Delete Boot Option Deletes an existing boot option.
33