Dell Alienware m15 R3 Service Manual - Page 73

Secure boot, Updating the BIOS in Windows, Table 8. Secure Boot, continued

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Table 8. Secure Boot (continued) Option Boot Option #2 Boot Option #3 Description Displays the available second boot option. Displays the available third boot option. Secure boot Table 9. Secure Boot Option Boot List Option File Browser Add Boot Option File Browser Del Boot Option Secure Boot Legacy Option ROMs Attempt Legacy Boot Boot Option Priorities Boot Option #1 Boot Option #2 Boot Option #3 Updating the BIOS in Windows Description Displays the available boot options. • Legacy • UEFI Default: UEFI Enables you to add the boot options. Enables you to delete the boot options. Enables or disables the Secure Boot Feature. Choose one of the options: • Secure Boot Enable • Secure Boot Disable Default: Enabled Enables or disables the Legacy Option ROMs. Default: Disabled Enables or disables Attempt Legacy Boot. Default: Disabled Displays the boot sequence. Displays the available first boot option. Displays the available second boot option. Displays the available third boot option. 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. • Enter the Service Tag or Express Service Code and click Submit. • Click Detect Product and follow the on-screen instructions. 73

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Table 8. Secure Boot
(continued)
Option
Description
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
.
•
Enter the
Service Tag
or
Express Service Code
and click
Submit
.
•
Click
Detect Product
and follow the on-screen instructions.
73