On 08/02/2012 05:10 PM, Johnny Hughes wrote: > On 08/01/2012 11:33 PM, John R Pierce wrote: >> On 08/01/12 9:21 PM, Rob Kampen wrote: >>> just wondering which driver I need to be looking at / for that deals >>> with the laptop's external video connector. >> the video hardware driver >> >>> Background - went to deliver a presentation last week and found that >>> there was no way to get any video output to the external D-15 >>> connector (hooked up to a video projector). >>> Eventually I re-booted to windoze 7 and all worked just fine - major >>> embarrassment after telling everyone how great Linux was. >>> >>> The laptop has a nvidia GTX 460M card and I use the el-repo >>> kmod-nvidia-295.59-1.el6.elrepo.x86_64 >>> and >>> nvidia-x11-drv-295.59-1.el6.elrepo.x86_64 >>> >>> I do have compiz-0.8.2-24.el6.x86_64 and >>> compiz-gnome-0.8.2-24.el6.x86_64 running but as these should not be >>> dealing directly with the hardware am not thinking they should matter. >>> >>> Not sure where to start trouble shooting - I tried lots of different >>> screen resolutions via the System> Preferences> Display but no joy >>> getting any signal out to the external connector. This laptop does >>> have an hdmi socket but I was not using that, I thought the good old >>> fashioned D-15 video plug should "just work" (tm). >>> >>> The function key<Fn> <F8> did toggle the laptop screen off and on and >>> varied the resolution of the laptop display but never any output on >>> the external connector. >> those laptop graphics chips treat the VGA connector like a 2nd monitor, >> I have no idea how you configure linux for multimonitor, but I know its >> not nearly as easy as MS Windows where it just works. >> >> > Indeed that connector is treated as an "all the time on" 2nd monitor > > If it is an nvidia card, you can use use the NVIDIA X Server Settings > link in "Menu => System => Administration" (if you install the drivers > from elrepo, which I recommend) > > If it is another card that uses system drivers, you can use the "Menu => > System => Display" > > I just create 2 xorg.conf files and copy the one I need into place when > I hook up to my docking station on my Dell M4500. > > Okay - I think I understand and the idea of two xorg.conf files seems like a great idea. Will give this a try as soon as I locate another external video monitor with a VGA connector. Thanks > > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos