If your monitor doesn’t support DisplayPort or USB-C, we recommend using HDMI. Otherwise, use DVI or VGA. The adapters listed in the table have been tested for compatibility and can help solve video issues. For other options, see Officially licensed third-party accessories.

Use this port to connect to your external monitor. Depending on your monitor's video output ports, you may need a display adapter (sold separately). Follow the monitor manufacturer’s instructions to set both external displays to use DisplayPort 1.2 as an input source. For example, this might be called Multi-Stream Transport (MST), which allows the first display to pass the signal along to the second external display.

If you're using a video extension cable or video converter, remove it from your set up to see if it’s causing the problem.

If your monitor doesn’t support DisplayPort, we recommend using HDMI. Otherwise, use DVI or VGA. The adapters listed in the table have been tested for compatibility and can help solve video issues. For other options, see Officially licensed third-party accessories. Most external screens have an on-screen menu that adjusts the DisplayPort version used by the monitor. Adjusting this setting may produce better results.Bluetooth can occasionally interfere with Miracast. Select action center in the taskbar and make sure Bluetooth is off. Related topics Move what's on the screen across your Surface display and onto the TV or monitor screen. When you have displays extended, you can drag and move items between the two screens and select a different resolution for your second screen (to learn more about screen resolutions, go to Solution 6). Use the cable that came with your monitor or verify that the cable supports video. Always do this with Surface devices with USB-C ports. HDMI connections can also transmit audio signals. We also recommend you use Microsoft’s USB-C adapters on the devices equipped with the USB-C port. For more info, see Surface sound, volume, and audio accessories.

Using a Mini DisplayPort to DisplayPort cable, connect the Mini DisplayPort on your Surface to the DisplayPort input on the first external display. If only one of your external displays has an output port, connect your Surface to that external display first. Extend these displays. Your screen is spread over two screens, and you can drag items between the two screens.If you're using a video extension cable or video adapter or converter, remove it from your set up to see if it’s causing the problem. If the cable that came with your monitor isn’t responding, use a different video cable to connect your Surface. When you need the reliability and speed of a wired network connection, connect your Surface to a wired network using the ethernet port.

Both the host device and the external display need to support the Thunderbolt™, DisplayPort, High Bit Rate (HBR) standards. If using an HDMI video cable, make sure it's rated version 2.0, or, if using DisplayPort cable, it's rated 1.2, and is no more than 6 feet (1.8 meters) long. Longer cables can affect video quality.Follow the monitor manufacturer’s instructions to set both monitors to use DisplayPort 1.2 as an input source. For example, this might be called Multi-Stream Transport (MST), which allows the first monitor to pass the signal along to the second monitor. Transfer large files to an external drive, connect a USB printer or headset, charge accessories, and more. Unplug the Surface from its power supply and remove any attached accessories from your Surface. If you're using a Type Cover, open it so it lies flat. If your monitor cable doesn't have a Mini DisplayPort connector, you'll need to buy another cable or an adapter. For more info on adapters, go to Connect Surface to a TV, monitor, or projector.