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Chapter 4. External display
Switching display outputs
Display outputs can be switched using the keyboard.
Note: The external display refers to the external display connected to the HDMI port on your computer.
To switch display outputs, do the following:
1. Press Fn+F3. The available outputs are displayed.
Computer screen only
Duplicate
Extend
Second screen only
2. Select an output using the or key, and then press Enter. The display output will be switched
as desired.
®
Intel
WiDi
The Intel WiDi (Intel Wireless Display) function uses the wireless LAN function to display the screen of this
computer on an external display or TV set that has the Intel WiDi adapter.
Notes:
• The external display or TV set needs to have the optional Intel WiDi adapter.
• The external display or TV set needs to have an HDMI input terminal or composite video and audio input
terminals. In addition, they should have a terminal to connect the Intel WiDi adapter. Regarding whether
or not the Intel WiDi adapter can be connected, consult the manufacturer of the devices before you
purchase the adapter.
Precautions
• Intel WiDi uses the wireless LAN function. The high-speed and stable wireless LAN communication
environment is required because high-resolution screen images are transferred.
• Image and sound of an external display or TV set may be interfered with by the increased communication
speed or increased load of communication processing.
• When video images are played, instances of jerky motions or dropping frames may increase.
• The image and sound played on the external display or TV set are delayed by approximately 0.3 seconds
compared to those played on the computer. Therefore, it may be difficult to operate the mouse and
keyboard or to enter characters.
• Intel WiDi confirms to the High-bandwidth Digital Content Protection (HDCP) standard.
• The playback may fail depending on the copyright protection system adopted in the contents.
• If the Duplicate these displays option is selected when using Intel WiDi, the selectable screen resolutions
may be limited.
© Copyright Lenovo 2015
Screen output
Explanation
Your computer display
Displays the same output on both your computer
screen and an external display
Extends the output from your computer display to an
external display
An external display
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