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Connect the external display to
the USB-C connector or the Mini DisplayPort connector
the HDMI connector
Connect a wireless display (for computers and external displays supporting Miracast
• Open the Start menu, and then click Settings ➙ Devices ➙ Connected devices ➙ Add a device.
• Click the action center icon
display and follow the on-screen instructions.
Set the display mode
Press
and then select a display mode of your preference.
• PC screen only: Displays the video output only on your computer screen.
Note: Depending on the situation, you might see Disconnect, PC screen only, Computer only, or
Disconnect projector.
• Duplicate: Displays the same video output on both your computer screen and an external display.
• Extend: Extends the video output from your computer display to an external display. You can drag and
move items between the two displays.
• Second screen only: Displays the video output only on an external display.
Note: Depending on the situation, you might see Projector only or Second screen only.
If you show programs using DirectDraw or Direct3D
video output.
Change display settings
1. Right-click a blank area on the desktop and select Display settings.
2. Select the display that you want to configure.
3. Change display settings of your preference.
You can change the settings for both the computer display and the external display. For example, you can
define which one is the main display and which one is the secondary display. You also can change the
resolution and orientation.
Note: If you set a higher resolution for the computer display than the external display, only part of the screen
can be displayed on the external display.
18
Lenovo IdeaPad S340 Series
in the Windows notification area and click Connect. Select the wireless
®
in full-screen mode, only the main display shows the
Supported resolution
Up to 3840 x 2160 pixels / 60 Hz
Up to 3840 x 2160 pixels / 30 Hz
®
)
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