User Manual
Table Of Contents
- Precision 5770 Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Drivers and downloads
- BIOS setup
- Troubleshooting
- Handling swollen Lithium-ion batteries
- Dell SupportAssist Pre-boot System Performance Check diagnostics
- Built-in self-test (BIST)
- System diagnostic lights
- Real-Time Clock (RTC Reset)
- Recovering the operating system
- Backup media and recovery options
- WiFi power cycle
- Drain residual flea power (perform hard reset)
- Getting help and contacting Dell
Table 12. System setup options—Passwords menu (continued)
Passwords
Default: OFF
Master Password Lockout
Enable Master Password Lockout Enables or disables the master password support.
Default: OFF
Table 13. System setup options—Update Recovery menu
Update Recovery
UEFI Capsule Firmware Updates
Enable UEFI Capsule Firmware Updates Controls whether this computer allows BIOS updates via EUFI capsule update
packages.
Default: ON
BIOS Recovery from Hard Drive
BIOS Recovery from Hard Drive Enables the computer to recover from a bad BIOS image, as long as the Boot
Block portion is intact and functioning.
Default: ON
NOTE: BIOS recovery is designed to fix the main BIOS block and cannot
work if the Boot Block is damaged. In addition, this feature cannot work
in the event of EC corruption, ME corruption, or a hardware issue. The
recovery image must exist on an unencrypted partition on the drive.
BIOS Downgrade
Allow BIOS Downgrade Controls flashing of the system firmware to previous revisions.
Default: ON
SupportAssist OS Recovery
SupportAssist OS Recovery Enables or disables the boot flow for SupportAssist OS Recovery tool in the
event of certain system errors.
Default: ON
BIOSConnect
BIOSConnect Enables or disables cloud Service OS recover if the main operating system fails
to boot with the number of failures equal to or greater than the value specified
by the Auto OS Recovery Threshold setup option.
Default: ON
Dell Auto OS Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console
and for Dell operating system Recovery tool.
By default, 2 is selected.
Table 14. System setup options—System Management menu
System Management
Service Tag Displays the Service Tag of the computer.
Asset Tag Creates a system Asset Tag that can be used by an IT administrator to
uniquely identify a particular system. Once set in BIOS, the Asset Tag cannot
be changed.
AC Behavior
BIOS setup 57