Lenovo 336655U, 3259AD9 manual Menu item Submenu item Selection Comments Keyboard/Mouse

Table 4. Config menu items (continued)

Menu item	Submenu item	Selection		Comments
Keyboard/Mouse	Fn and Ctrl Key swap	•	Disabled	If you select Enabled, the
		•	Enabled	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	Enable or disable the Fn
		•	Enabled	key lock.
	Change to “F1–F12 keys”	•	Default	If you select Default,
		•	Legacy	pressing F1–F12 initiates
				special functions illustrated
				on each key. If you
				select Legacy, you can
				use F1–F12 as standard
				function keys.
Display	Boot Display Device	•	ThinkPad LCD	Select the display device
		•	Analog (VGA)	that is to be activated at
				boot time. This selection
		•	HDMI
				is effective for boot time,
				password prompt, and
				ThinkPad Setup.
	Graphics Device	•	Switchable Graphics	The Integrated Graphics
		•	Integrated Graphics	mode provides longer
				battery life, while the
				Switchable Graphics mode
				enhances performance.
	OS Detection for Switchable	•	Disabled	If you select Enabled, the
	Graphics	•	Enabled	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.
Power	Intel SpeedStep®	•	Disabled	Select the mode of Intel
	technology	•	Enabled	SpeedStep technology at
				runtime.
		Mode for AC		•	Maximum
		•	Maximum Performance		Performance: Always
					highest speed
		•	Battery Optimized
				•	Battery Optimized:
		Mode for Battery			Always lowest speed
				•	Disabled: No runtime
		•	Maximum Performance
					support, lowest speed

Chapter 7. Advanced configuration 97