HP PC Commercial BIOS (UEFI) Setup Administration Guide For Business Notebook and Desktop 2015 Models - Technical whitepaper
May 2016 
857394-002 
HP PC Commercial BIOS (UEFI) Setup     
© Copyright 2016 HP Development Company, L.P. 
5 Advanced Menu 32 
Feature 
Type 
Description 
Default 
Notes 
 Legacy Boot 
Order 
Setting 
When checked, allows the system to boot from non-UEFI devices. 
2014 Notebook: New 
2014 Desktop: Storage -> Boot Order -> Legacy Boot Sources -> 
F5 key 
Requires “Legacy Boot Enable and Secure Boot Disable.” See 
“Secure Boot Configuration” -> “Configure Legacy Support and 
Secure Boot” 
When Legacy Boot Disabled, the check boxes for UEFI Boot Order 
and Legacy Boot Order will grayed out and not functional, because 
only UEFI devices can boot in this mode. 
When enabling the UEFI Boot Order, the system attempts to boot 
from all UEFI devices before any non-UEFI devices. 
Arrange the boot order from the non-UEFI devices found. By 
default, the system will arrange the boot order by device type 
using the following precedence: 
1.  USB 
2.  SATA DVD (Desktop Only) 
3.  SATA Hard Drives 
4.  M.2 devices 
Network Boot 
Checked 










