HP Pavilion 15-Ec0 Series Bios Manual page 27

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Boot Options Menu
Main Security
Post Hotkey Delay (sec) <0>
USB Boot <Enabled>
Network Boot <Enabled>
<IPv4+IPv6 (UEFI)>
Network Boot Protocol
Legacy Support <Disabled>
Secure Boot <Enabled>
Platform Key Enrolled MSFT
Pending Action None
Clear All Secure Boot Keys
Load HP Factory Default Keys
Load MSFT Debug Policy Keys
UEFI Boot Order
► OS Boot Manager
Internal CD/DVD ROM Drive
USB Flash Drive/USB Hard Disk
USB CD/DVD ROM Drive
Legacy Boot Order
► Internal Hard Drive
Internal CD/DVD ROM Drive
USB Flash Drive/USB Hard Disk
USB CD/DVD ROM Drive
Configuration Boot Options
1
2
3
4
5
Secure Boot
Disabled
Enabled
Exit
Item Specific Help
1. Enable/Disable USB boot.
2. Enable/Disable network boot during boot
time.
3. Select Network Boot Protocol using IPv4,
IPv6 or IPv4+IPv6. When IPv4+IPv6 is se-
lected, BIOS will use IPv4 first.
4. When Legacy Support Is enabled. BIOS will
load Compatibility Support Module <CSM>
to support Legacy OS such as Windows
7. Windows Vista. Windows XP und DOS.
When legacy Support is disabled. BIOS will
boot in UEFI Mode without CSM to sup-
port newer OS such as Windows 8. System
might be unable to boot Into operating
system after changing this setting.
5. Secure Boot flow control. Secure Boot is
possible only if System runs in User Mode.