Lenovo E420 Laptop User Manual


 
Table 4. Cong 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)
Digital on ThinkPad
Select the display device
that is to be active at boot
time. This selection is
effective for boot time,
password prompt, and
ThinkPad Setup.
Graphics Device Integrated Graphics
Switchable Graphics
Integrated Graphics
provides longer battery life,
and Switchable Graphics
enhances performance.
Display
OS Detection for
Switchable Graphics
Disabled
Enabled
If you select “Enabled,” the
system UEFI automatically
switches the graphics
device settingto 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 (Intel
SpeedStep mounted
models only)
Disabled
Enabled
Mode for AC
Maximum Performance
Battery Optimized
Mode for Battery
Maximum Performance
Battery Optimized
Select the mode of Intel
SpeedStep technology in
the user UEFI at runtime.
Power
118 User Guide