I usually use nvidia-settings (which needs to be run as root, so it can write to the config file). But that only works if you have an nvidia card, of course :-/
Juan Pablo 2012/5/24 Duncan <[email protected]> > Marcelo Magno T. Sales posted on Thu, 24 May 2012 08:53:15 -0300 as > excerpted: > > > Hello, > > > > I would like to extend my desktop to my second monitor. KDE defaults to > > clone the image of the main monitor on the secondary monitor. > > I can setup the desktop the way I want, with the secondary monitor above > > the primary one, using KDE System Settings. However, this setup does not > > survive a reboot and every time I turn on the computer, I have to setup > > the desktop again. > > Is there a way to make the dual monitors configuration to stick using > > KDE's GUI tools or do I need to create a xorg.conf file and edit it > > manually? > > I'm running Kubuntu 12.04 (Precise Pangolin). > > I was debating where in-thread to post, but decided to punt and start a > new top-level sub-thread... > > Most direct answer: Try starting krandrtray, and setting it to start > with kde. AFAIK, that's the bit that actually applies the default > display profile on kde startup, so if it's not started with kde, you > won't get the display profile applied. > > (Depending on what you have the kde session manager set to do, it may > simply restart krandrtray if it was running when kde was last shutdown, > or you may have to add it to the memorized session that's restarted, or > you can set krandrtray in the autostart configuration. I have mine there > but have it disabled as I don't need it, normally.) > > > Meanwhile, keep in mind that it was only with kde 4.4 or 4.5 that kde > display settings actually started working. They had never worked at all, > since they were introduced back in the kde3 era, for many users, and at > one point in IIRC kde 4.3, just opening the applet (via either kcontrol > or krandrtray) would seriously screw up the display, just opening it, not > even changing anything or hitting apply! You had to really be careful > browsing kcontrol (aka kde settings) not to hit that applet, during that > period! > > Even now, kde's display setting ability is limited to a small subset of > xrandr. Setting a larger desktop than display, with configurable > panning, isn't properly supported, for instance, let alone keystoning, > etc. > > As a result, many users had to use other display setup methods, xorg.conf > (now a file in xorg.conf.d) as I do for my X startup config, xrandr > scripts as I use to handle resolution switching while keeping the larger > desktop and enabling panning, etc. Since they already had that setup and > working, many people prefer to continue using those solutions to the > rather limited solution kde offers, even if kde's solution isn't as > horribly broken as it used to be, especially because once you've seen the > flexibility of the other solutions, kde's solution remains quite limited > in comparison. > > > Meanwhile, addressing the poster (bjorn.ballard) who asked (essentially) > about the possibility of saving both a laptop-only and a laptop-plus- > external profile, while that has been discussed and multiple display > profile support is planned for the future, AFAIK, it's not available in > current kde. There's currently only a single profile stored, and storing > a second one erases the first. > > So for displays that come and go, if you're using the internal when you > use the external too, you could try setting it up in xorg.conf.d, which > if it's missing the one, will just setup the one it has, and it'll still > work with both if X is started with both. (That should also work with > multiple external displays, BTW, as long as X can tell them apart. It > will just configure the ones it sees when it starts, and ignore the > others.) > > Alternatively (as nowardev suggested), setup some xrandr scripts and > simply call the one you want to setup the config you want. That should > work for hotplugged monitors too, while the xorg.conf option only works > (for now, they're working on it...) when you start X. > > What I'd do (umm, actually have done...) is setup xorg.conf so it gets it > right for what I have plugged in when it starts, with xrandr scripts that > I can invoke if I want to change the setup while X is running. > > -- > Duncan - List replies preferred. No HTML msgs. > "Every nonfree program has a lord, a master -- > and if you use the program, he is your master." Richard Stallman > > ___________________________________________________ > This message is from the kde mailing list. > Account management: https://mail.kde.org/mailman/listinfo/kde. > Archives: http://lists.kde.org/. > More info: http://www.kde.org/faq.html. >
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