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

To assign a system and/or setup password:
1. To enter System Setup, press <F2> immediately after a power-on or reboot.
2. In the
System Setup Main Menu, select System BIOS and press <Enter>.
The System BIOS screen is displayed.
3. In the
System BIOS screen, select System Security and press <Enter>.
The System Security screen is displayed.
4. In the
System Security screen, verify that Password Status is Unlocked.
5. Select
System Password , enter your system password, and press <Enter> or <Tab>.
Use the following guidelines to assign the system password:
• A password can have up to 32 characters.
• The password can contain the numbers 0 through 9.
• Only lower case letters are valid, upper case letters are not allowed.
• Only the following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).
A message prompts you to re-enter the system password.
6. Re-enter the system password that you entered earlier and click OK.
7. Select
Setup Password, enter your system password and press <Enter> or <Tab>.
A message prompts you to re-enter the setup password.
8. Re-enter the setup password that you entered earlier and click
OK.
9. Press <Esc> to return to the System BIOS screen. Press <Esc> again, and a message prompts you to save the
changes.
NOTE
: Password protection does not take effect until the system reboots.
Deleting Or Changing An Existing System And/Or Setup Password
Ensure that the Password jumper is set to enabled and the Password Status is Unlocked before attempting to delete or
change the existing System and/or Setup password. You cannot delete or change an existing System or Setup password
if the
Password Status is Locked.
To delete or change the existing System and/or Setup password:
1. To enter System Setup, press
<F2> immediately after a power-on or restart.
2. In the
System Setup Main Menu, select System BIOS and press <Enter>.
The System BIOS screen is displayed.
3. In the System BIOS Screen
, select System Security and press <Enter>.
The System Security screen is displayed.
4. In the System Security screen, verify that Password Status is Unlocked.
5. Select System Password, alter or delete the existing system password and press <Enter> or <Tab>.
6. Select Setup Password, alter or delete the existing setup password and press <Enter> or <Tab>.
NOTE: If you change the System and/or Setup password a message prompts you to re-enter the new
password. If you delete the System and/or Setup password, a message prompts you to confirm the deletion.
7. Press <Esc> to return to the System BIOS screen. Press <Esc> again, and a message prompts you to save the
changes.
NOTE: You can disable password security while logging on to the system. To disable the password security, turn
on or reboot your system, type your password and press <Ctrl><Enter>.
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