Connect to an external display

Connect your computer to a projector or a monitor to give presentations or expand your workspace.

Connect to a wired display

  1. Connect the external display to an appropriate video connector on your computer, such as the HDMI 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 a blank area on the desktop, and then click Display settings > Detect.

Supported resolution

The following table lists the supported maximum resolution of the external display.

Connect the external display to

Supported resolution

the HDMI connector

Up to 3840 x 2160 pixels / 30 Hz

Connect a wireless display

To use a wireless display, ensure that both your computer and the external display support the Miracast®)

  • Open the Start menu, and then click Settings > Devices > Bluetooth & other devices > Add Bluetooth or other device. In the Add a device window, click Wireless display or dock. Then follow the on-screen instructions.

  • Click the action center icon The action center icon in the Windows notification area and click Connect. Select the wireless display and follow the on-screen instructions.

Set the display mode

Press hotkey – switch display devices 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® in full-screen mode, only the main display shows the 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.