User Manual
Table Of Contents
- Dell Precision 5820 Tower Owner's Manual
- Working on your computer
- Removing and installing components
- Screw size list
- Recommended tools
- Side cover
- Power supply unit (PSU)
- Front bezel
- Hard Disk Drive bezel
- Hard disk drive assembly
- Slim Optical Disk Drive
- Front input and output bezel
- Optical Disk Drive
- 5.25 inch ODD bracket
- Front input and output panel
- Input and output panel bracket
- Intruder switch
- Internal chassis speaker
- Air shroud
- Memory
- Expansion card
- Coin cell battery
- System fan
- Fan bracket
- PCIe holder
- Heat sink and CPU fan assembly
- Processor
- Front system fan
- System board
- Technology and components
- System specifications
- System Setup
- Software
- Troubleshooting
- Contacting Dell
Option Description
Bios Recovery
BIOS Recovery from Hard Drive—This option is set by default. Allows you to recover the corrupted BIOS
from a recovery le on the HDD or an external USB key.
BIOS Auto-Recovery— Allows you to recover the BIOS automatically.
NOTE: BIOS Recovery from Hard Drive eld should be enabled.
Always Perform Integrity Check—Performs integrity check on every boot.
System logs
Table 14. 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 congurations
Table 15. Advanced
congurations
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 16. SupportAssit System Resolution
Option Description
Auto OS Recovery
Threshold
The Auto OS Recovery Threshold setup option controls the automatic boot ow for Support Assist
System Resolution Console and Dell OS Recovery tool.
Click one of the following options:
• OFF
• 1
• 2—Default
• 3
Updating the BIOS in Windows
It is recommended to update your BIOS (System Setup), when you replace the system board or if an update is available. For laptops, ensure
that your computer battery is fully charged and connected to a power outlet
80
System Setup