Maintenance Screen Options; System Log Screen Options; Updating The Bios; Updating The Bios In Windows - Dell Precision 7520 Owner's Manual

Option Description
All the options are enabled by default.

Maintenance screen options

Option Description
Displays the Service Tag of your computer.
Service Tag
Allows you to create a system asset tag if an asset tag is not already set. This option is not set by default.
Asset Tag
This controls flashing of the system firmware to previous revisions.
BIOS Downgrade
This field allows users to erase the data securely from all internal storage devices. The following is list of
Data Wipe
devices affected:
● Wwipe on next boot (disabled)
● Internal SATA HDD/SSD
● Internal M.2 SATA SDD
● Internal M.2 PCIe SSD
● Internal eMMC
This field allows you to recover from certain corrupted BIOS conditions from a recover file on the user
BIOS Recovery
primary hard drive or an external USB key.
● BIOS Recovery from Hard Drive (enabled by default)
● BIOS Auto-Recovery
● Always perform integrity check (disabled by default)

System Log screen options

Option Description
Allows you to view and clear the System Setup (BIOS) POST events.
BIOS Events
Allows you to view and clear the System Setup (Thermal) events.
Thermal Events
Allows you to view and clear the System Setup (Power) events.
Power Events

Updating the BIOS

Updating the BIOS in Windows

CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it
will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and the
system will ask for this on each reboot. If the recovery key is not known this can result in data loss or an
unnecessary operating system re-install. For more information on this subject, see Knowledge Article:
www.dell.com/support/article/sln153694
1. Go to www.dell.com/support.
2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search.
If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You
NOTE:
can also use the product ID or manually browse for your computer model.
3. Click Drivers & Downloads. Expand Find drivers.
4. Select the operating system installed on your computer.
5. In the Category drop-down list, select BIOS.
74 BIOS setup
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