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.
