Owners Manual
Table Of Contents
- Precision 5720 All-in-One Owner’s Manual
- Working on your computer
- Removing and installing components
- USB dongle-bay cover
- Back cover
- Memory module
- Hard drive
- System board shield
- M.2 PCIe SSD
- Memory fan
- Heat sink
- Processor
- Coin cell battery
- WLAN card
- Stand
- System fan
- Power supply unit
- Inner frame
- Built-in self test button
- Microphone
- I/O panel
- USB-dongle port
- Diagnostic light and button board
- Drive cage
- Converter board
- Speaker
- Power button board
- Media card reader
- Camera
- System board
- Display assembly
- Middle frame
- Speaker bezel
- Display panel
- Technology and components
- System setup
- Software
- Troubleshooting
- Technical specifications
- System specifications
- Memory specifications
- Video specifications
- Audio specifications
- Communication specifications
- Connectors
- Display specifications
- Storage specifications
- Port and connector specifications
- Power specifications
- Camera specifications
- Stand specifications
- Physical specifications
- Environmental specifications
- Contacting Dell

Table 11. Secure Boot
Option Description
Secure Boot Enable Allows you to enable or disable Secure Boot feature
• Disabled
• Enable (default)
Expert key Management Allows you to manipulate the security key databases only if the system is in Custom Mode. The
Enable Custom Mode option is disabled by default. The options are:
• PK (default)
• KEK
• db
• dbx
If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The
options are:
• Save to File- Saves the key to a user-selected le
• Replace from File- Replaces the current key with a key from a user-selected le
• Append from File- Adds a key to the current database from a user-selected le
• Delete- Deletes the selected key
• Reset All Keys- Resets to default setting
• Delete All Keys- Deletes all the keys
NOTE: If you disable the Custom Mode, all the changes made will be erased and the
keys will restore to default settings.
Table 12. Intel Software Guard Extensions
Option Description
Intel SGX Enable Allows you to enable or disable the Intel Software Guard Extensions to provide a secured
environment for running code/storing sensitive information in the context of the main operating
system.
• Disabled (default)
• Enabled
Enclave Memory Size Allows you to set the Intel SGX Enclave Reserve Memory Size.
• 32 MB
• 64 MB (Disabled by default)
• 128 MB (Disabled by default)
Table 13. Performance
Option Description
Multi Core Support This eld species whether the process will have one or all cores enabled. This option is enabled by
default.
options:
• All (default)
• 1
• 2
92 System setup