I had the same issue.....finally this worked for me sudo mv /etc/X11/xorg.conf /etc/X11/xorg.conf.backup sudo apt-get install xserver-xorg-video-fbdev sudo reboot
search .... "Debian X11/LDE display problem ?" YMMV On 28 March 2014 14:42, Robert Nelson <robertcnel...@gmail.com> wrote: > On Fri, Mar 28, 2014 at 8:32 AM, Richard-tx <rich.andr...@gmail.com> > wrote: > > I have a strange one. > > > > I am using a Dell U2410 monitor. It just so happens that I have the same > > monitor described at http://elinux.org/Beagleboard:BeagleBoneBlack_HDMI > > > > I loaded the image > > > https://rcn-ee.net/deb/microsd/wheezy/bbxm-debian-7.4-2014-03-27-2gb.img.xz > > on my BBB > > > > When the HDMI output of the BBB is connected to the HDMI input on the > > monitor all goes well until the X desktop is started. As soon as X is > > started the monitor goes into power-save mode. Press cntl-alt F1 to get > to > > a non-gui login and the display turns on. Switch back to F7 and the > monitor > > goes into power-save. > > You can disable power save via: > > echo "#!/bin/sh" > ~/.xsessionrc > echo "" >> ~/.xsessionrc > echo "xset -dpms" >> ~/.xsessionrc > echo "xset s off" >> ~/.xsessionrc > > > > If I use a HDMI to DVI adapter and use the DVI input on the U2410, the X > > desktop display is OK. I can even use xrandr to change resolution to > > 1280x1024 (dvi input) which works fine. > > > > > > I have deduced that when the BBB gets the EDID info from the monitor, it > > changes to a mode that the Dell U2410 does not like but only with the X > > desktop. > > > > Anyone have any ideas? I am hesitant to blame the LXDE X server for this > > but anything is possible. > > Regards, > > -- > Robert Nelson > http://www.rcn-ee.com/ > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.