Optimal layout for 2 monitors8/16/2023 Try to adjust the size of text and icons and so on by using the scaling option in tip 1 before you lower your screen resolution from the recommended setting on Settings > System > Display. When those pixels don't line up, things get blurry. At its native resolution, each pixel on your LCD display is directly mapped to a pixel in the image sent by your PC's graphics to produce a sharp image. If you select a lower resolution, then your screen image will look blurry. You can see that there is a little Xinerama in use here.You should make every effort to use your display's native resolution, which Windows calls the recommended resolution. These hints define which physical monitor is which, and where they should be positioned on the desktop. Option "metamodes" "HDMI-1: nvidia-auto-select +1920+0, HDMI-0: nvidia-auto-select +0+0 The "hints" provided to the nvidia drivers via xorg are indeed related to a few of the Option lines: Option "nvidiaXineramaInfoOrder" "DFP-1" I'm not sure if it's an independent extension, or if it work on-top of TwinView. Now you could full-screen an application on only one monitor, and still move windows between the two. Xinerama: This X11 extension solved my problems with TwinView.If you full-screen'd an application, it would span all monitors. Therefore instead of a "primary" monitor with your status bar, your status bar would span all monitors. However X11 didn't really recognize the seam between the screens. Twinview: This X11 extension allowed a single screen to span multiple monitors.You couldn't move windows from one screen to the other and if you ran a terminal, you could specify which monitor could run each application by setting DISPLAY= This would set up several independent desktops. There were three main ways to do a multi-monitor setup: In the past, things used to be more difficult. The Nvidia drivers (not necessarily nvidia-xconfig) use nf for some hints but will do most of the configuration itself and apply appropriate default values for everything. The magic is that most of this is now done behind the scenes. Even an empty nf will often get it right (with the exception of monitor placement). You don't usually need to manually play with nf anymore. Could someone explain to me why this is? Would I be safe to assume that the line Option "metamodes" "HDMI-1: nvidia-auto-select +1920+0, HDMI-0: nvidia-auto-select +0+0" has something to do with this? The fact that my config works with just one screen and monitor specified is seemingly contradicting what I have read, unless I am grossly misunderstanding something. Most dual-monitor example nf files I came across specified 2 screens in the server layout. What I don't understand however is how this works. Option "metamodes" "HDMI-1: nvidia-auto-select +1920+0, HDMI-0: nvidia-auto-select +0+0" ModelName "Lenovo Group Limited LEN C24-10" Eventually what ended up working was using simply 1 screen in my nf which was generated by using nvidia-xconfig: Section "ServerLayout" When I tried this, no matter how I configured the Screen, Devices, or Monitor sections, it would result in some sort of strange display or X server error. Many tutorials pointed out that a 2-monitor setup should include 2 screens in the ServerLayout section in /etc/X11/nf, like so: Section "ServerLayout" I was recently figuring out how to properly configure 2 monitors with X11 and a NVIDIA card and tried many different options.
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