Lanner NCA-2510 User Manual page 73

Select the Save and Exit menu item from the BIOS setup screen to enter the Save and Exit Setup screen.
Users can select any of the items in the left frame of the screen.
Save Changes and Exit
When you have completed the system configuration, select this
option to save the changes and Exit from BIOS Setup, so the new
system configuration parameters can take effect. This window will
appear after the Save Changes and Exit option is selected. Select
"Yes" to save changes and exit Setup.
Discard Changes and Exit
Select this option to quit Setup without saving any modifications to the
system configuration. This window will appear after the Discard Changes and
Exit option is selected. Select "Yes" to discard changes and exit Setup.
Restore Defaults
Restore default values for all setup options. Select "Yes" to load
Optimized defaults.