Asus PN41-S1 Manuel D'utilisation page 27

Load default BIOS settings
To load the default values for each of the parameters in your BIOS:
1. Enter the BIOS by pressing <F2> or <DEL> from the POST screen.
NOTE: POST (Power-On Self Test) is a series of software controlled
diagnostic tests that run when you turn on your Mini PC.
Navigate to the Exit menu.
2.
Select the Load Optimized Defaults option or press <F5>.
3.
Select OK to load the default BIOS values.
4.
PN Series 27