Table 6. Startup menu items (continued)
Menu item
Selection
Comments
UEFI/Legacy Boot
•
Both
• UEFI Only
• Legacy Only
Select system boot capability.
•
Both
: The system will boot
following the
UEFI/Legacy Boot
Priority
setting.
•
UEFI Only
: The system will boot
from the UEFI enabled operating
system.
•
Legacy Only
: The system will boot
from any operating system other
than the UEFI enabled one.
Note:
If you select
UEFI Only
,
the system cannot boot from the
bootable devices that do not have the
UEFI enabled operating system.
UEFI/Legacy Boot Priority
•
UEFI First
• Legacy First
Selects priority of boot options
between UEFI and Legacy.
Boot Mode
•
Quick
• Diagnostics
Screen during POST:
•
Quick
: The ThinkPad logo screen
is displayed.
•
Diagnostics
: Test messages are
displayed.
Beep at POST completion:
•
Quick
: No. Sounds on error cases
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.
Note:
You also can enter the
Diagnostic
mode by pressing Esc
during the POST.
Option Key Display
•
Disabled
• Enabled
If you select
Disabled
, then the
message “To interrupt normal startup,
press Enter.” is not displayed during
the POST.
98
User Guide
Summary of Contents for ThinkPad T430u
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