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Save & Exit
Save Changes and Exit
Exit system setup after saving the changes. F10 key can be used for this operation.
Discard Changes and Exit
Exit system setup without saving any changes. ESC key can be used for this operation.
Discard Changes
Discard Changes done so far to any of the setup options. F7 key can be used for this operation..
Load UEFI Defaults
Load UEFI Default values for all the setup questions. F9 key can be used for this operation..
Launch EFI Shell from filesystem device
Attempts to Launch EFI Shell application (Shell.efi). from one of the available filesystem devices.