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What does XRandR do on the command line?
xrandr is a command-line tool to interact with the X RandR extension [see x.org, wikipedia], which allows for live (re)configuration of the X server (i.e. without restarting it): It provides automatic discovery of modes (resolutions, refresh rates, etc.) together with the ability to configure outputs dynamically (resize, rotate, move, etc.).
When to use XRandR with-Q or-Q?
When used with -q (or without other options), xrandr will display more information about the server state. Please note that the gamma and brightness informations are only approximations of the complete color profile stored in the server.
How does XRandR show the current state of the system?
When used along with options that reconfigure the system, progress will be reported while executing the configuration changes. When this option is present, or when no configuration changes are requested, xrandr will display the current state of the system. Performs all the actions specified except that no changes are made.
Which is the preferred mode in XRandR-Debian?
The mode marked with a star (*) is the current mode. The one marked with a plus (+) is the preferred one. Most monitors report a preferred mode to the driver. And the server/driver will generally choose it by default. FIXME: Mention output name conventions? When manipulating VGA1output properties, you should use:
How to use XRandR-Debian as a server?
Basic xrandr usage Once the configuration file (xorg.conf) is removed or updated, starting the server should enable some outputs by default. Their top-left corners will be at the same part of the image, but their modes will probably be different. All outputs may be configured through xrandr.
What kind of driver do I need for XRandR?
I use the radeon driver and commonly set my horizontal resolution to 1920 (max for the driver/card seems to be 8192). The vesa and fb drivers are very basic drivers for old hardware–old enough that monitors of that era didn’t have very large displays.
How big of a screen do I need for XRandR?
$ xrandr|head -1 Screen 0: minimum 320 x 200, current 1280 x 800, maximum 4096 x 4096 With KMS (FIXME: Link to a page which explains what KMS is), there’s no need to specify any Virtualoption. With DRI and without KMS, that might be needed.
Which is the backend for autodisper on my laptop?
Regarding a tool which can store monitor configuration profiles on a per-user and per-display basis, autorandr will do exactly that. My laptop has an NVIDIA card, so I use the disper backend instead of xrandr. Autorandr will use disper as the backend to manage your monitors if you call it as autodisper.
Are there driver detecting modes in Xorg conf?
With the driver detecting modes automatically, several configuration options become useless most of the time in your configuration file (xorg.conf). You might want to remove: HorizSyncand VertRefreshfrom the Monitorsection. Modes from Displaysubsection in Screensection.