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How to Set up Dual Monitors or Multiple Monitors

Samenvatting: Learn how to set up dual screen monitors or multiple monitors in Windows.

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Instructies

When you connect multiple monitors to your Dell computer, Windows automatically detects the monitor and displays your computer desktop screen. You can then choose how you want your desktop screen to appear and customize the display settings such as display style, screen resolution, color depth, and more. Windows 11, Windows 10, or Windows 8 or 8.1 support multiple monitor setup.

Are you trying one of the following multiple monitor setup? Find information to learn how to set up multiple monitors with your laptop or desktop computer.

  • Dual monitors, dual screen, or two monitor setup
  • Triple monitors or three monitor setup
  • Quad monitors or four monitor setup
NOTE: To learn how to setup a Dell monitor, see the documentation of the monitor for step-by-step instructions. For non-Dell monitors, see the documentation of the monitor available on the device manufacturers website.

Learn How to Connect a Monitor to a Dell Computer.

Here is A Guide to External Ports and Connectors on a Dell Computer.

Most desktop computers have video ports to connect to at least two external monitors. Most laptops have at least one video port, and some laptops may have a second video port.

NOTE:
  • Before you begin, see the documentation of your computer and your monitor to determine what video connections they have in common, such as VGA, HDMI, Mini DisplayPort or DisplayPort (DP) (Figure 1), and whether your monitor supports DisplayPort Multi-Stream Transport (MST).
  • Knowing if your monitors support MST tells you if the monitor supports daisy chain using DisplayPort cables or if you must use two different kinds of video cables.
  • When you know what connections they have in common and whether your monitor supports DisplayPort Multi-Stream Transport (MST), you must acquire the needed cables to be able to connect the monitors to the computer.
  • Find Manuals and Documentation for your Dell Product.

Illustration of different types of video connectors on a computer
Figure 1: Video Ports

Numbers reference the image above
Caption1 VGA Connector
Caption2 HDMI Connector
Caption3 Mini DisplayPort Connector
Caption4 DisplayPort Connector
  1. For optimum performance, it is recommended that you install the latest drivers on your computer.
    NOTE: SupportAssist helps download the latest drivers for your Dell computer. To learn more, go to the SupportAssist page.

  2. Ensure that your computer has the latest updates for Windows. Go to the Windows Update website to be sure that your computer is fully updated. This hyperlink is taking you to a website outside of Dell Technologies.
  3. Depending on your monitors and their features, you have two options, as outlined previously.
    • When your monitor supports DisplayPort Multi-Stream Transport (MST), perform the following steps.
      1. Using the correct cable to connect to your computer to the DisplayPort In to the first monitor (Figures 2 and 3).
      2. Using another cable, connect the DisplayPort Out connection on the first monitor to the DisplayPort In connection on the second monitor (Figures 2 and 3).
        NOTE: To daisy chain more than two monitors, follow a similar sequence: The first monitor connects to the second, the second monitor connects to the third, and so on.

        illustration of connecting multiple monitors to a desktop using displayport MST
        Figure 2: Connecting Multiple Monitors Using DisplayPort Video Cables to a Desktop

        illustration of connecting multiple monitors to a laptop using DisplayPort MST
        Figure 3: Connecting Multiple Monitors Using DisplayPort Video Cables to a Laptop

      3. Using the On-Screen Display (OSD) menu on your monitor, set the MST to On (Figure 4).

        MST option in the onscreen display menu of a monitor
        Figure 4: On-Screen Display (OSD) Example (English Only)

        NOTE: To learn more, see the documentation of the Dell monitor.
      4. Ensure that the last monitor in the chain has MST set to Off.
       
    • When your monitor does not support DisplayPort Multi-Stream Transport (MST), perform the following steps:
      1. Connect a video cable from your computer to the first monitor (Figures 5 and 6).
      2. Connect a video cable from your computer to the second monitor (Figures 5 and 6).

        illustration of connecting multiple monitors to a desktop using two video cables
        Figure 5: Connecting Multiple Monitors Using Different Kinds of Video Cables to a Desktop

        illustration of connecting multiple monitors to a laptop using two video cables
        Figure 6: Connecting Multiple Monitors Using Different Kinds of Video Cables to a Laptop

        NOTE: Figures 5 and 6 are an example of how the video cables should be arranged just match the type of connections from the computer to the monitors.
      3. Repeat step 2 for additional monitors if your computer supports additional displays.

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After connecting the monitors, you can adjust the settings for each one.

Arrange your displays

If you have multiple displays, you can rearrange them. This is useful if you want your displays to look the same as they do in your home or office. Select and drag the display to the wanted location in Display settings. When you are satisfied with the layout, click Apply. Move your mouse pointer across the different displays to ensure that your new layout works as expected.

You will see this option when Windows detects more than one display. Each display is numbered to help you identify them more easily.

Example of arranging the monitors in the Display settings window in Windows 11
Figure 7: Arrange the monitors in the Display settings window.


Select the primary display

In a multiple display setup, one display or monitor must be set as the primary display. The primary display shows the taskbar and other main desktop components such as time, system tray icons, and more. To set the primary and secondary displays, follow these steps:

  1. Press the shortcut keys Windows logo + R keys to launch the Run dialog box.
  2. In the Run dialog box, type desk.cpl and press Enter.
  3. In the Display settings panel, select the display you want use as the primary display.
  4. Under the Multiple Displays section, click to select the Make this my main display.
  5. Click Keep changes when the pop-up dialog box appears.

Setting the primary display using the Display settings app in Windows 11
Figure 8: Setting the main display using the Display settings app in Windows 11.


Change display options

After connecting your external monitors, you can change settings such as resolution, screen layout, and more.

To see the available settings in Windows 11 or Windows 10, go to the Settings app, select System, and then choose Display.


Change orientation

Windows will recommend an orientation for your screen. To change it in Windows 11 or Windows 10, in the Display settings, under Scale & layout, select your preferred Display orientation.

NOTE: If you change the orientation of a monitor, you will also need to physically rotate the screen. For example, you would rotate your external display to use it in portrait instead of landscape.

Image of scale, display resolution, and display orientation settings under the display settings in Windows 11
Figure 9: Scale, display resolution, and display orientation settings under the display settings in Windows 11.


Choose a display option or display style

Once the cables are connected securely, your computer should automatically detect and display the desktop screen on the connected monitors. You can now select the display style that best suits your needs. Windows provides multiple display style options on how the desktop screen is displayed across multiple monitors that are connected to your computer.

NOTE: To change what shows on your displays, press Windows logo key + P. Here is what you can choose.
 
If you want to Select
See things on one display only. PC screen only
See the same thing on all your displays. Duplicate
See your desktop across multiple screens. When you have displays extended, you can move items between the two screens. Extend
See everything on the second display only. Second screen only
NOTE: When you connect an external monitor to a Dell laptop, the default display style is set to Duplicate. When you connect a second or third monitor to a Dell desktop, the default display style is set to Extend.

Need help with changing the screen resolution, adjust the refresh rate, and change the size of fonts and icons?

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A docking station or port replicator provides a simplified way of connecting multiple devices like keyboard, mouse, printer, external hard drives and one or more external monitors to a laptop personal computer which usually have limited connectivity ports.

Most docking stations or port replicators have video ports to connect two or more monitors, and is similar to connecting your computer to your monitor. You must have the correct video cables. A docking station or port replicator when connected to a laptop allows you to switch off the laptop LCD and use the external monitors instead.

NOTE:
  • Before you begin, see the documentation of your Dell docking station and your monitors to determine what video connections they have in common, such as VGA, HDMI, Mini DisplayPort or DisplayPort (DP) (Figure 10), and whether your monitor supports DisplayPort Multi-Stream Transport (MST).
  • Knowing if your monitors support MST tells you if the monitor supports daisy chain using DisplayPort cables or if you must use two different kinds of video cables.
  • When you know what connections they have in common and whether your monitor supports DisplayPort Multi-Stream Transport (MST), you must acquire the needed cables to be able to connect the dock to the monitors.
  • See our Guide to Dell Docking Stations
  • Find Manuals and Documentation for your Dell Product

Illustration of different types of video connectors on a computer
Figure 10: Video Ports

Numbers reference the image above
Caption1 VGA Connector
Caption2 HDMI Connector
Caption3 Mini DisplayPort Connector
Caption4 DisplayPort Connector
  1. For optimum performance, it is recommended that you install the latest drivers on your computer.
    NOTE: SupportAssist helps download the latest drivers for your Dell computer. To learn more, go to the SupportAssist page.

  2. Ensure that your computer has the latest updates for Windows. Go to the Windows Update website to be sure that your computer is fully updated. This hyperlink is taking you to a website outside of Dell Technologies.
  3. Depending on your monitors and their features, you have two options, as outlined previously.
    • When your monitor supports DisplayPort Multi-Stream Transport (MST), perform the following steps.
      1. Using the correct cable to connect to your dock to the DisplayPort In to the first monitor (Figure 11).
      2. Using another cable, connect the DisplayPort Out connection on the first monitor to the DisplayPort In connection on the second monitor (Figure 11).
        NOTE: To daisy chain more than two monitors, follow a similar sequence: The first monitor connects to the second, the second monitor connects to the third, and so on.

        Illustration of connecting multiple monitors to a docking station


        Figure 11: Connecting Monitors Using DisplayPort Video Cables
      3. Using the On-Screen Display (OSD) menu on your monitor, set the MST to On. (Figure 12).

        MST option in the onscreen display menu of a monitor
        Figure 12: On-Screen Display (OSD) Example (English Only)

        NOTE: To learn more, see the documentation of the Dell monitor.
      4. Ensure that the last monitor in the chain has MST set to Off.

    • If your monitor does not support DisplayPort Multi-Stream Transport (MST), perform the following steps:
      1. Connect a video cable from your dock to the first monitor that has corresponding connections (Figure 13).
      2. Connect a video cable from your dock to the second monitor that has corresponding connections (Figure 13).

        Illustration of connecting two monitors to docking station using two different types of video cables
        Figure 13: Connecting Monitors Using Different Kinds of Video Cables

        NOTE: Figure 13 is an example of how the video cables should be arranged just match the type of connections from the dock to the monitors.

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Dell wireless monitors enable your Windows laptop, Android smartphone, or tablet with Miracast capability to display the screen image to the monitor using a Wi-Fi Direct interface. When you connect the laptop, smartphone, or tablet to the Dell wireless monitor, you can access the mouse and keyboard that are connected to the Monitor and control the devices.

You can either extend or duplicate your Windows desktop wirelessly to one of these monitors and connect your Android 5.0 (and above) tablet or smartphone over Wi-Fi simultaneously through Dual Cast.

See our Guide to Dell Wireless Monitors.

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Latest TVs and computers provide a wide variety of video connectivity options. Ensure that the video port on your computer matches an available video port on your TV, like VGA, DVI or HDMI.

Connecting your Dell computer with a TV

  1. Connect the TV to the computer using a compatible cable.
  2. Power on the TV.
  3. Change the video input source on the TV to match the video source connection from the personal computer (HDMI, VGA (may also be mentioned as personal computer), DVI so forth)
  4. Power on the computer.

If you encounter a problem when trying to connect your computer with a TV:

  1. Power on the TV before turning on the computer.
  2. Ensure that the correct video input source is selected on the TV.
  3. Coaxial or S-video cable connections do not support higher resolution, ensure to set the resolution to 800 x 600 or less.
  4. Certain TVs may require you to adjust the screen aspect ratio for best possible scaling and resolution.
  5. Certain TVs may require you to set the TV as the primary display. Change the video settings in Windows and restart the computer.

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Windows 11, Windows 10, Windows 8 or 8.1, and Windows 7 support dual or multiple monitor setups. If you encounter problems with your multiple monitor setup, such as a blank or black screen, no signal to monitor, resolution issues, learn How to Troubleshoot Multiple Monitor Problems on a Dell Computer.

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If your Dell computer has encountered a display or video problem with multiple monitors after upgrading to Windows 11 or Windows 10:

  1. Uninstall the video driver.
  2. Update BIOS of the computer.
  3. Download and install the latest video or graphics driver.
  4. Reboot the computer.
NOTE:

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Extra informatie

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Monitors More information and support for your Dell monitor, laptop, or tablet screen can be found on our Monitor Support site.

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Artikeleigenschappen
Artikelnummer: 000134286
Artikeltype: How To
Laatst aangepast: 31 aug. 2024
Versie:  20
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