On Tuesday, 13 בOctober 2009 20:29:07 Ori Idan wrote: > Thank you very much. > I had to delete the display section and restart X
Generally speaking, the Xorg developers recommend working without an /etc/X11/xorg.conf at all (assuming your distribution package a recent Xorg version + drivers). > On Tue, Oct 13, 2009 at 7:37 PM, Ori Berger <linux...@orib.net> wrote: > > > Ori Idan wrote: > > > >> I have an Ubuntu 9.04 laptop with Intel 945 graphics adapter. > >> Desktop effects worked until this morning when I connected it to an > >> external monitor. > >> After disconnecting the external monitor and restarting the laptop, > >> desktop effects stopped working. > >> Does someone have an idea how to reenable them? > >> > > It's a known bug in the Intel driver: You placed the external screen to the > > left/right of the laptop screen, causing the effective screen width to be > > one that the Intel Driver does not support 3D acceleration for, thereby > > causing compiz to turn off effects. > > > > If effects won't turn on, check /etc/X11.conf under section "Screen" > > subsection "Display" to see it doesn't still list a too-wide screen (your > > laptop is probably 1024 or 1280 pixels wide). When this happened to me, I > > deleted the "Display" altogether and let Ubuntu re-figure it out itself, but > > a "sudo dpkg-reconfigure xserver-xorg" might be helpful. > > > > And from now on, when you connect an external monitor, just be sure to > > place the screen above/below the laptop screen rather than to the left/right > > of it. > > > -- Oron Peled Voice: +972-4-8228492 o...@actcom.co.il http://users.actcom.co.il/~oron The Micro$oft principle: Make bugs, not war _______________________________________________ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il