Lenovo ThinkPad Edge E420 User Manual page 140

Startup menu items
Table 6. Startup menu items
Menu item
Boot
Network Boot
UEFI/Legacy Boot
UEFI/Legacy Boot Priority
Boot Mode
Option Keys Display
Boot Device List F12 Option
Boot Order Lock
122
User Guide
Selection
• Both
• UEFI Only
• Legacy Only
• UEFI First
• Legacy First
• Quick
• Diagnostics
Note: You can also enter the
"Diagnostic" mode by pressing Esc
during POST.
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
Comments
Refer to "Startup menu" on page 115.
Refer to "Startup menu" on page 115.
Enable the UEFI/Legacy boot.
Select priority of boot option between
UEFI and Legacy.
Screen during POST:
• Quick: ThinkPad Logo screen is
displayed.
• Diagnostics: Test messages are
displayed.
Beep at POST completion:
• Quick: No. Sound on error case
only.
• Diagnostics: Yes. Always sounds.
"Ctrl-S" prompt for on-board
Ethernet:
• Quick: No.
• Diagnostics: Yes.
Memory testing during POST:
• Quick: Quick test (or no test).
• Diagnostics: Full test.
Testing other devices during POST:
• Quick: Minimum test (or no test).
• Diagnostics: Can perform
necessary testing for critical
devices.
If you select "Disabled", then "To
interrupt normal startup, press Enter"
message is not displayed during
POST.
If you select "Enabled", the F12 key
is recognized and the Boot Menu is
displayed.
If you select "Enabled", the Boot
Priority Order is locked for your future
use.