You can change the mode for remote desktops to display on all the monitors or on specific monitors connected to the client device. Remote applications always display on all the monitors connected to the client device.

If you have multiple monitors, you can display a remote desktop on all the monitors or on specific monitors. You can select up to three monitors.

Only one remote desktop can run in multiple-monitor mode at a time.

Prerequisites

  • This feature requires Chrome OS 86 or later.
  • This feature is not supported if Unified Desktop mode is enabled for the client device.
  • For enrolled Chromebook devices, this feature requires an administrator to configure the following settings in the JSON configuration file for the Horizon Client app.
    • Add the display setting to the list in the editable property under the common-setting section. See Client Features.
    • Enable the enableMultiMonitor setting under the server-list section. See Server Features.

Procedure

  1. Connect to a server.
  2. Click the Settings toolbar button in the upper-right corner of the desktop and application selector window, scroll down to the Display setting, and click Set.
  3. Select a display option and click OK.
    Option Action
    Use all displays Displays the remote desktop window on all the connected monitors.
    Use single display

    Displays the remote desktop window on the primary monitor using the default window size.

    The default window size is the working area of the primary monitor, excluding the OS system tray.
    Use selected displays Displays the remote desktop on monitors that you select. You can select only adjacent monitors.

    Thumbnails of the monitors that are currently connected to the client system appear under Display arrangement. The display topology matches the display settings on the client system.

    To select or deselect a monitor on which to display the remote desktop window, click its thumbnail. When you click a thumbnail, it changes color.
    Use single display with small window Displays the remote desktop window on the primary monitor using a small window size (640 x 480 pixels).
    Use single display with large window Displays the remote desktop window on the primary monitor using a large window size (1680 x 983 pixels).
    Use single display with custom window Displays the remote desktop window on the primary monitor using a custom window size. You can specify a custom width of up to 1800 pixels and a custom height of up to 964 pixels.
    Use single display with fullscreen Displays the remote desktop on the primary monitor in full-screen mode.
  4. To display remote desktops on multiple monitors according to the client system's DPI setting, toggle the Enable DPI scale on extended monitors option to on.
    If the High Resolution Mode setting is enabled, this option is deactivated. If only a single monitor is selected, this option is hidden.
  5. Click Close.

What to do next

To exit multi-monitor mode, point to the top of the remote desktop window until the menu bar appears and click the Exit the multiple displays mode button.

The multiple-monitor feature supports only one desktop session at a time. To switch to a different desktop, first exit multiple-monitor mode for the current desktop. Then switch to the other desktop and enter multiple-monitor mode.

Certain actions, such as minimizing the display, can cause the session to exit multi-monitor mode automatically. To enter multi-monitor mode again, point to the top of the remote desktop window until the menu bar appears and click the Use Multiple Monitors button.