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 7. 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 the Express Service Code.
• Memory Information: Displays Memory Installed, Memory Available, Memory Speed, Memory
Channel Mode, Memory Technology, DIMM 1 Size, DIMM 2 Size, DIMM 3 Size, and DIMM 4
Size.
• PCI Information: Displays SLOT1 and SLOT2_M.2.
• 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, M.2 PCIe SSD-0, LOM MAC Address,
Video Controller, dGPU video controller, Video BIOS version, Video memory, panel type,
Native resolution, Wi-Fi Device, Bluetooth Device, and Audio Controller. .
Boot Sequence Allows you to specify the order in which the computer attempts to nd an operating system from the
devices specied in this list.
• Legacy
• UEFI (default)
Advanced Boot Options Allows you to select the Enable Legacy Option ROMs option, when in UEFI boot mode.
Allows you to select the Enable Attempt Legacy Boot option.
Date/Time Allows you to set the date and time settings. Changes to the system date and time take eect
immediately.
Table 8. System Conguration
Option Description
Integrated NIC Allows you to control the on-board LAN controller. The option ‘Enable UEFI Network Stack’ is not
selected by default. The options are:
• Disabled
• Enabled
• Enabled w/PXE (default)
NOTE: Depending on the computer and its installed devices, the items listed in this section
may or may not appear.
SATA Operation Allows you to congure the operating mode of the integrated hard drive controller.
• Disabled = The SATA controllers are hidden
• RAID ON = SATA is congured to support RAID mode (selected by default)
• AHCI= SATA is congured for AHCI mode
Drives Allows you to enable or disable the various drives on-board:
• SATA-0
• SATA-1
• SATA-4
• M.2 PCIE SSD-0
Smart Reporting This eld controls whether hard drive errors for integrated drives are reported during system startup.
The Enable Smart Reporting option is disabled by default.
USB Conguration Allows you to enable or disable the integrated USB controller for:
System setup 89