Using An External Display - Lenovo ThinkPad T480 User Manual

Note: If you do not remove the card from your computer after you eject the card from the Windows
operating system, the card can no longer be accessed. To access the card, you must remove it first, and
then insert it again.

Using an external display

This section provides instructions on how to connect an external display, choose display modes, and change
display settings.
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 4096 x 2304 pixels / 60 Hz, with an external display connected to the USB-C or USB-C (Thunderbolt
3 compatible) connector
• Up to 4096 x 2160 pixels / 30 Hz with an external display connected to the HDMI 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 HDMI connector and the USB-C connector by a cable. The external display
connected to the USB-C connector and the external display connected to the HDMI connector cannot be
used simultaneously. 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 HDMI
connector or the USB-C 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.
Do not connect external displays to the USB-C connector
Otherwise, only the external display connected to the USB-C connector
the priority between the USB-C connector and the HDMI connector, start the ThinkPad Setup program.
See "" on page , and then configure Shared Display Priority in "" on page .
• Connecting a wireless display
Note: To use a wireless display, ensure that both your computer and the external display support the
Miracast feature.
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T480 User Guide
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function.
1 and the HDMI connector
1 will work by default. To change
2 at the same time.