Owners Manual
Table Of Contents
- Dell Precision 7820 Tower Owner's Manual
- Chassis
- Working on your computer
- Removing and installing components
- Screw size list
- Recommended tools
- Power supply unit (PSU)
- Side cover
- Front bezel
- Hard Disk Drive bezel
- Hard disk drive assembly
- NVMe Flexbay
- Slim Optical Disk Drive
- Front input and output bezel
- 5.25 inch ODD bracket
- Front input and output panel
- Input and output panel bracket
- VROC module
- Intrusion switch
- Internal chassis speaker
- Air shroud
- Memory
- Graphical processing unit(GPU)
- Coin cell battery
- System fan
- Fan bracket
- PCIe holder
- Rear system fan
- Front system fan
- Processor heat sink module
- System board
- Technology and components
- System specifications
- System Setup
- Software
- Troubleshooting
- Contacting Dell
Table 14. Maintenance (continued)
Option Description
BIOS Downgrade
Allows you to flash previous revisions of the system firmware.
● Allow BIOS Downgrade
This option is set by default.
Data Wipe
Allows you to securely erase data from all internal storage devices.
● Wipe on Next Boot
This option is not set by default.
Bios Recovery
BIOS Recovery from Hard Drive—This option is set by default. Allows you to recover the
corrupted BIOS from a recovery file on the HDD or an external USB key.
BIOS Auto-Recovery— Allows you to recover the BIOS automatically.
NOTE: BIOS Recovery from Hard Drive field should be enabled.
Always Perform Integrity Check—Performs integrity check on every boot.
System logs
Table 15. System Logs
Option Description
BIOS events
Displays the system event log and allows you to clear the log.
● Clear Log
This option is not set by default.
Advanced configurations
Table 16. Advanced configurations
Option Description
Pcie LinkSpeed
Allows you to choose the Pcie linkspeed.
Click one of the following options:
● Auto—Default
● Gen1
● Gen2
SupportAssist system resolution
Table 17. SupportAssit System Resolution
Option Description
Auto OS Recovery
Threshold
The Auto OS Recovery Threshold setup option controls the automatic boot flow for Support
Assist System Resolution Console and Dell OS Recovery tool.
Click one of the following options:
● OFF
● 1
114 System Setup