As an Identifier, the same value as reported by xrandr -q is used (i.e. This is similar to using xrandr, separate Monitor section is needed for each screen. Monitor order in this command does not matter and the monitors need to be rearranged correctly after or before this command is executed.įor a more detailed explanation see this page. auto determines the size of the virtual display, setting this to auto will automatically create the correct size of the display array. Openbox has been tested and works with this feature. Some desktop environments do not support this feature yet. This is an updated version of what was possible with Xinerama and works with open source drivers and does not require an Xorg restart. Since randr version 1.5, it has been possible to combine monitors into one virtual display. left-of places the previous screen ( HDMI1) to the left of the specified screen ( VGA1). $ xrandr -output VGA1 -mode 1024x768 -output HDMI1 -mode 1920x1080 -left-of VGA1 VGA1 right of HDMI1 at fixed resolutions $ xrandr -output VGA1 -mode 1024x768 -pos 1920x0 -output HDMI1 -mode 1920x1080 -pos 0x0 right-of places the previous screen ( HDMI1) to the right of the specified screen ( VGA1). VGA1 left of HDMI1 at their preferred resolutions $ xrandr -output VGA1 -auto -output HDMI1 -auto -right-of VGA1 Some frequently used settings are described below. You may arrange your screens either relatively to each other (using the -right-of, -left-of, -above, -below options), or by absolute coordinates (using the -pos option note that in this case you usually need to know resolutions of your monitors). And, for more info on working productively with multiple-monitor setups, check out our in-depth guides to taking advantage of dual monitors and adding a second screen to laptops.Note: This section assumes that you have read the xrandr page for basic info about xrandr. If you don’t have a spare monitor but have a PC with a built-in display, you can potentially use it as second monitor with a wireless technology called Miracast built into Windows 10. RELATED: How to Move a Window to Another Monitor on Windows 10 More Multi-Display Tips If the projector has a different native resolution than your display, then “Second screen only” may work better because Windows will adapt the output perfectly to the projector instead of trying to stretch your primary display’s resolution to fit. In this case, you can use Duplicate or Second screen only mode from the Windows + P Project menu. It’s movie night, and you have a new video projector that you’d like to use to watch a film from your PC. Next, start up your presentation program as usual, and the audience will see exactly what you see on your computer screen. In this case, you’d want to choose Duplicate mode from the Windows+P Project menu. You have a laptop connected to a digital projector in a lecture hall, business meeting, or church, and you’d like to display the contents of your screen through the projector. With the options listed above in mind, let’s take a look at four common multiple display scenarios and examine how these options can help: RELATED: How to Rearrange Windows with Keyboard Shortcuts on Windows 10 Examples of When to Use Each Project Option Second screen only: This mode only shows video on the second display, while the primary display remains blank and unused.It stitches them all into one large virtual desktop, and you can move windows between them. Extend: This mode extends the desktop across as many displays as you have connected.Duplicate: This mode duplicates the video output from the primary display onto a second display, which can be ideal for presentations. PC screen only: This mode only shows video on the primary display, even if a second one is connected. From here, you can use the mouse or cursor keys and Enter to choose the option you’d like.
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