Acer 500L - Manual (Page 86)

3-40 AcerAltos 500L User’s Guide
Load Default Settings
Use this option to load the default settings for the optimized system
configuration. When you load the default settings, some of the
parameters are grayed-out with their fixed settings. These grayed
parameters are not user-configurable.
The following dialog box appears when you select Load Default
Settings from the main menu:
Load Default Settings
Do you want to load default settings?
[Yes] [No]
Select Yes to load the default settings.
Select No to ignore the message and return to the BIOS utility.