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Table 4. Cong menu items (continued)
Menu item
Submenu item Selection Comments
Fn and Ctrl Key swap
• Disabled
• Enabled
If you select Enabled, the
Fn key works as the Ctrl
key, and the Ctrl key works
as the Fn key.
Note: Even when Enabled
is selected, you need to
press the Fn key to return
the computer from sleep
mode to normal operation.
Fn Key Lock • Disabled
• Enabled
Enable or disable the Fn
key lock.
Keyboard/Mouse
Change to “F1–F12 keys”
• Default
• Legacy
If you select Default,
pressing F1–F12 initiates
special functions illustrated
on each key. If you
select Legacy, you can
use F1–F12 as standard
function keys.
Boot Display Device
• ThinkPad LCD
• Analog (VGA)
• HDMI
Select the display device
that is to be activated at
boot time. This selection
is effective for boot time,
password prompt, and
ThinkPad Setup.
Graphics Device • Switchable Graphics
• Integrated Graphics
The Integrated Graphics
mode provides longer
battery life, while the
Switchable Graphics mode
enhances performance.
Display
OS Detection for Switchable
Graphics
• Disabled
• Enabled
If you select Enabled, the
system UEFI automatically
switches the graphics
device setting to Switchable
Graphics mode if the
operating system supports
this feature, and to
Integrated Graphics mode if
the operating system does
not support this feature.
Intel SpeedStep
®
technology
• Disabled
• Enabled
Mode for AC
• Maximum Performance
• Battery Optimized
Mode for Battery
• Maximum Performance
Select the mode of Intel
SpeedStep technology at
runtime.
• Maximum
Performance: Always
highest speed
• Battery Optimized:
Always lowest speed
• Disabled: No runtime
support, lowest speed
Power
Chapter 7. Advanced conguration 97