Lenovo 20J8 User Manual page 50

You can use an external display such as a projector or a monitor to give presentations or to expand your
workspace.
Your computer supports the following video resolution, if the external display also supports that resolution.
• Up to 1920 x 1200 pixels / 60 Hz, with an external display connected to the VGA connector
• Up to 3840 x 2160 pixels / 30 Hz, with an external display connected to the Mini DisplayPort connector
For more information about the external display, see the manuals that come with it.
Connecting an external display
You can use either a wired display or a wireless display. The wired display can be connected to a video
connector such as the Mini DisplayPort connector or VGA connector by a cable. The wireless display can be
added through the Miracast
• Connecting a wired display
Note: When you connect an external monitor, a video interface cable with a ferrite core is required.
1. Connect the external display to an appropriate video connector on your computer, such as the Mini
DisplayPort connector or VGA connector.
2. Connect the external display to an electrical outlet.
3. Turn on the external display.
If your computer cannot detect the external display, right-click on the desktop, and then click Screen
resolution/Display settings ➙ Detect.
• Connecting a wireless display on the Windows 10 operating system
Note: To use a wireless display, ensure that both your computer and the external display support the
Miracast feature.
Do one of the following:
– Open the Start menu, and then click Settings ➙ Devices ➙ Connected devices ➙ Add a device.
– Click the action center icon
display and follow the instructions on the screen.
For more information, see the Windows help information system.
Choosing a display mode
You can display your desktop and apps on the computer display, the external display, or both. To choose
how to display the video output, press the display-mode switching key
you prefer.
There are four display modes:
• 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: Shows the video output only on an external display.
Note: Depending on the situation, you might see Projector only or Second screen only.
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L570 User Guide
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function.
in the Windows notification area. Click Connect. Select the wireless
and then select a display mode