Dell Latitude 7400 2-in-1 Setup and specifications guide - Page 36

System logs, Updating the BIOS in Windows

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Table 41. Maintenance (continued) Option Description This option is not set by default. 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 42. System Logs 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. Updating the BIOS in Windows Prerequisites 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. About this task 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. Steps 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 36 System setup

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Table 41. Maintenance
(continued)
Option
Description
This option is not set by default.
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 42. System Logs
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.
Updating the BIOS in Windows
Prerequisites
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.
About this task
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.
Steps
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
36
System setup