System Log Screen Options; Updating The Bios In Windows - Dell Latitude 5480 Owner's Manual

Option Description
BIOS Downgrade This controls flashing of the system firmware to previous revisions.
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Data Wipe This field allows users to erase the data securely from all internal storage devices. The following is list of devices
affected:
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BIOS Recovery This field allows you to recover from certain corrupted BIOS conditions from a recover file on the user primary hard
drive or an external USB key.
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GUID-0E115003-A1A5-4876-AB76-9884E0E7815C

System Log screen options

Option Description
BIOS Events Allows you to view and clear the System Setup (BIOS) POST events.
Thermal Events Allows you to view and clear the System Setup (Thermal) events.
Power Events Allows you to view and clear the System Setup (Power) events.
GUID-39A4D20E-3382-4BBB-8017-A2044689C2C8

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
NOTE: If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS
update is completed.
1 Restart the computer.
2 Go to Dell.com/support.
• Enter the Service Tag or Express Service Code and click Submit.
• Click Detect Product and follow the instructions on screen.
3 If you are unable to detect or find the Service Tag, click Choose from all products.
4 Choose the Products category from the list.
NOTE: Choose the appropriate category to reach the product page
5 Select your computer model and the Product Support page of your computer appears.
6 Click Get drivers and click Drivers and Downloads.
The Drivers and Downloads section opens.
7 Click Find it myself.
8 Click BIOS to view the BIOS versions.
90 System setup options
Allows BIOS Downgrade (enabled by default)
Internal SATA HDD/SSD
Internal M.2 SATA SDD
Internal M.2 PCIe SSD
Internal eMMC
BIOS Recovery from Hard Drive (enabled by default)
BIOS Auto-Recovery
Always perform Integrity Check