Article Number: 000133506
Microsoft Windows 7 and later operating systems support multiple monitor setups, which can help enhance productivity. When you connect an additional monitor to your Dell PC, Windows automatically detects the monitor and displays your PC's desktop screen. You can then choose how you want your desktop screen to appear. Display options include:
Expand the sections below for more information.
Ensure that the video port on your PC matches an available video port on the monitor, like VGA, DVI, HDMI, or DisplayPort (DP). Connect your PC to the monitor or another display device - like a projector or TV - using a compatible cable. The monitor manufacturer should have provided this cable with the monitor.
To learn more, refer to the Dell knowledge-base article How do I Connect a Monitor to a PC?.
To learn more about different ports on your PC, refer to the Dell knowledge-base article A Guide to External Ports and Connectors on a Dell PC.Back to top
Determine the type of video connectors that are available on your PC and the monitors. The number of video connectors depends on the type of graphics card that is installed in your PC. Most desktop PC graphics or video cards can support two or more monitors, depending on the graphics card and PC specifications. However, laptop PCs can support up to two monitors depending on the PC specifications. To learn more, refer to the Dell knowledge-base article How do I Connect a Monitor to a PC?.
Once the cables are connected securely, your PC should automatically detect and display the desktop screen on the connected monitors. By default, Microsoft Windows 7 duplicates the displays on all monitors. You can then select the display style that best suits your needs.
Microsoft Windows provides multiple options for displaying the desktop screen across multiple monitors that are connected to your PC.
To learn how to change the screen resolution, adjust the refresh rate and change the size of fonts and icons, refer to the links below based on the operating system installed on your PC:Back to top
Docking station or port replicator provides a simplified way of connecting multiple peripherals like keyboard, mouse, printer, external hard drives and one or more external monitors to a laptop PC which usually have limited connectivity ports. Most docking stations or port replicators have video ports to connect two or more external monitors. Docking station or port replicator when connected to a laptop PC allows you to switch off the laptop LCD and use the external monitors instead.
To learn more about different ports on your PC, refer to the Dell knowledge-base article A Guide to External Ports and Connectors on a Dell PC
Dell wireless monitors enable your Windows laptop computer, 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 is 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 via Wi-Fi simultaneously through Dual Cast.
To learn more about how to set up or troubleshoot a Dell wireless monitor, refer to the Dell knowledge-base article Guide to Dell Wireless Monitors.Back to top
The latest TVs and PCs provide a wide variety of video connectivity options. Ensure that the video port on your PC matches an available video port on your TV, like VGA, DVI, or HDMI.
Connecting your PC with a TV
If you encounter a problem when trying to connect your PC with a TV:
Microsoft Windows 10, 8 or 8.1, and 7 support multiple monitor setups. If you encounter problems with multiple monitors, like a blank or black screen, no monitor signal, resolution issues, etc., refer to the Dell knowledge-base article How to Troubleshoot Multiple Monitor Problems on Dell PCs?.Back to top
Graphic Cards Explained (Official Dell Tech Support - YouTube)
Learn How To Setup Dual Monitors in Windows 7
Change Screen Resolution (Official Dell Tech Support - YouTube)
No Video Troubleshooting Steps (Official Dell Tech Support - YouTube)
Monitors & Accessories
21 Feb 2021