Lenovo ThinkPad T420 User Manual page 48

– External monitor
– Computer display and external monitor
– Computer display
Notes:
– 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 settings.Click Start ➙ All Programs
➙ ThinkVantage ➙ 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 do the following:
Enabling or disabling the wireless features
• Fn+F5
Enable or disable the built-in wireless networking features. If you press Fn+F5, a list of wireless features is
displayed. You can quickly change the power state of each feature in the list.
Note: If you want to use Fn+F5 to enable or disable the wireless features, the following device drivers
must be installed on your computer beforehand:
– Power Management driver
– OnScreen Display Utility
– Wireless device drivers
For information on the wireless features, refer to "Wireless connections" on page 42.
Launching the camera and audio settings
• Fn+F6
If you press Fn+F6, the camera and audio settings window is opened and the camera preview is turned on.
From this window, you can change the camera and audio settings.
Note: The Camera settings area only appears if your computer has an integrated camera. For more
information, see "Using an integrated camera" on page 78.
Other functions
• Fn+PgUp: Turn the ThinkLight on. To turn it off, press Fn+PgUp again.
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.
The purpose of this method is to change the brightness level temporarily. On Windows Vista, the default
brightness level is loaded after sleep (standby), hibernation, reboot, or detaching or attaching an ac power
adapter. To change the default brightness level, change the settings of the Power Option in the Control
Panel or use the "Power Manager" on page 22.
• Fn+End: The computer display becomes dimmer.
The purpose of this method is to change the brightness level temporarily. On Windows Vista, the default
brightness level is loaded after sleep (standby), hibernation, reboot, or detaching or attaching an ac power
adapter. To change the default brightness level, change the settings of the Power Option in the Control
Panel or use the "Power Manager" on page 22.
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User Guide