Lenovo ThinkPad T420si Hardware Maintenance Manual - Page 68

Key combination, Description, For Windows Vista and Windows XP, Computer display LCD

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Table 8. Fn key combinations (continued) Key combination Description • 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 a display output location • External monitor • Computer display (LCD) and external monitor • Computer display (LCD) • This function is not supported if different desktop images are displayed on the computer display and the external monitor (the Extend desktop function). • This function does not work while a DVD movie or a video clip is playing. To enable this function, start Presentation Director, and change the Fn+F7 settings. Fn+F8 Fn+F9 Fn+F10 Fn+F11 Fn+F12 Fn+PgUp Fn+Home Fn+End Fn+Spacebar Fn+PrtSc Fn+ScrLk Fn+Pause Fn+cursor keys Note: Multiple users can log on to a single operating system by using different user IDs. Each user needs to change the settings. Change the settings of the UltraNav® pointing device. Reserved. Reserved. Reserved. 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. Turn the ThinkLight® on or off. 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. The computer display becomes brighter. The computer display becomes dimmer. Enable the FullScreen Magnifier function. Has the same function as the SysRq key. Enable or disable the numeric keypad. The indicator of numeric lock will be displayed on the screen. Has the same function as the Break key. These key combinations work with Windows Media Player. Fn+down arrow key works for the Play or Pause button, Fn+up arrow key for the Stop button, Fn+right arrow key for the Next Track button, and Fn+left arrow key for the Previous Track button. 62 Hardware Maintenance Manual

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Table 8. Fn key combinations (continued)
Key combination
Description
•
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 a display output location
•
External monitor
•
Computer display (LCD) and external monitor
•
Computer display (LCD)
•
This function is not supported if different desktop images are displayed on the computer
display and the external monitor (the Extend desktop function).
•
This function does not work while a DVD movie or a video clip is playing.
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
®
pointing device.
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
®
on or off.
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
Has the same function as the SysRq key.
Fn+ScrLk
Enable or disable the numeric keypad. The indicator of numeric lock will be displayed on
the screen.
Fn+Pause
Has the same function as the Break key.
Fn+cursor keys
These key combinations work with Windows Media Player. Fn+down arrow key works for the
Play or Pause button, Fn+up arrow key for the Stop button, Fn+right arrow key for the Next
Track button, and Fn+left arrow key for the Previous Track button.
62
Hardware Maintenance Manual