Service Manual

Table 8. Secure Boot
Option Description
Boot Option #1 Displays the available first boot option.
Boot Option #2 Displays the available second boot option.
Boot Option #3 Displays the available third boot option.
Secure boot
Table 9. Secure Boot
Option Description
Boot List Option Displays the available boot options.
● Legacy
● UEFI
Default: UEFI
File Browser Add Boot Option Enables you to add the boot options.
File Browser Del Boot Option Enables you to delete the boot options.
Secure Boot Enables or disables the Secure Boot Feature.
Choose one of the options:
● Secure Boot Enable
● Secure Boot Disable
Default: Enabled
Legacy Option ROMs Enables or disables the Legacy Option ROMs.
Default: Disabled
Attempt Legacy Boot Enables or disables Attempt Legacy Boot.
Default: Disabled
Boot Option Priorities Displays the boot sequence.
Boot Option #1 Displays the available first boot option.
Boot Option #2 Displays the available second boot option.
Boot Option #3 Displays the available third boot option.
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 before updating the system BIOS, and then re-enabled after the BIOS
update is completed.
Steps
1. Restart the computer.
2. Go to www.dell.com/support.
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