I have a few monitor issues in Debian Wheezy after updating a machine to the 
latest Debian Wheezy and Linuxcnc 2.7.3.

I sort of know what the issues are, I just need help in extracting myself from 
the hole I am in.  In the my previous build, which was under Ubuntu, I was able 
to add some xrandr commands that I had found that worked to a file in gdm.  
However, it appears that Wheezy is using lightdm, not gdm, so that bandaid 
won’t work directly.  I was able to issue my xrandr lines in a terminal and get 
the display to switch correctly, but the problem is I can't figure out how to 
make that permanent.  

I also have a more immediate problem.  I managed to completely screw up the 
monitor settings so it is blank now.  I think what I did was to select “None” 
for resolution from the Display GUI, but I am not 100% sure.  I was trying to 
see if my new resolution (from xrandr commands) was in the list and boom, 
monitor goes blank.  Why would “none” even be an option (if that is what I 
did)?  Argh.

So, I need help first in getting my monitor to come back at all.  I can boot 
into safe mode (command line) but not sure what to edit or remove.  After that 
I need to figure out where to put three xrandr commands so they are executed 
when the machine boots (or some other way to get the monitor set to it’s 
desired resolution - 19000X1280 @ 60Hz).

The third (and more minor) issue is related to the Xfce (user interface) tool 
bars, they call them Panels.  When I log in I get an Xfce Error that the Panels 
haven’t been saved (I say OK), and a second one that says they can’t be written 
without permission.  Any idea how to get those to go away?

-Tom


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