How To Configure Your Monitors With Xrandr in Linux -

Just about every desktop environment comes with some way to configure and control your monitors, but some aren’t quite up to par, and bugs can be a factor. Then, there are tiling window managers and more minimal desktops that don’t have those utilities. In any of these cases, Xrandr, the Xorg’s own utility for monitor management is your best friend, and it’s not too hard to use.
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