Lenovo THINKPAD L420 Hardware Maintenance Manual page 56

Table 7. Fn key combinations (continued)
Key combination Description
Fn+F7 Apply a presentation scheme directly, with no need to start Presentation Director.
To disable this function and use the Fn+F7 key combination for switching a display output
location, start Presentation Director, and change the settings.
Note: If the computer is a Windows 7 model, it does not support presentation schemes, but
the Fn+F7 combination is available for switching a display output location.
For Windows 7:
Switch between the computer display and an external monitor. Windows will show these
display options:
• Computer display only (LCD)
• Computer display and external monitor (same image)
• Computer display and external monitor (extended desktop)
• External monitor only
Note: To switch between the computer display and an external monitor, the Win+P key
combination is also available.
For Windows Vista and Windows XP:
Switch between the computer display and an external monitor. If an external monitor is
attached, computer output is displayed in the following three patterns by turns:
• External monitor (CRT display)
• Computer display and external monitor (LCD + CRT display
• Computer display (LCD)
Notes:
To enable this function, start Presentation Director, and change the Fn+F7 settings.
Note: Multiple users can log on to a single operating system by using different user IDs. Each
user needs to change the settings.
Fn+F8 Change the settings of the UltraNav
Fn+F9 Reserved.
Fn+F10 Reserved.
Fn+F11 Reserved.
Fn+F12 Put the computer into hibernation mode. To return to normal operation, press the power
button for less than four seconds.
Note: To use Fn+F12 for hibernation, you must have the ThinkPad PM device driver installed
on the computer.
Fn+PgUp Turn the ThinkLight
Note: This function is supported only on the ThinkPad Notebooks that have the ThinkLight.
The on or off status of the ThinkLight is shown on the screen for a few seconds when you
press Fn+PgUp.
Fn+Home The computer display becomes brighter.
Fn+End The computer display becomes dimmer.
Fn+Spacebar Enable the FullScreen Magnifier function.
Fn+PrtSc Have the same function as the SysRq key.
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Hardware Maintenance Manual
1. This function is not supported if different desktop images are displayed on the computer
display and the external monitor (the Extend desktop function).
2. This function does not work while a DVD movie or a video clip is playing.
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on or off.
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pointing device.