I would bet that both X and dwm are rendering for the broken screen as well
as the external one. Using xrandr to turn off the broken screen should fix
that.
 On Feb 25, 2012 1:19 PM, "Swiatoslaw Gal" <swiatoslaw....@univie.ac.at>
wrote:

> Dear gals and guys,
>
> I have an old thinkpad tablet, which I use as a desktop (the screen
> got broken and I detached it).  It starts, by default, in 1024x768
> mode, and then dwm and its statusbar work fine.  If I correct
> the resolution to the monitor specification (eg. 1280x1024) either
> by xrandr, or tweaking xorg.conf, there is something strange.
>
> When I click on tags in the statusbar the highlight changes, but
> the tags stay the same.  Contrary, if I use alt-# I switch tags,
> but with no effect on the status bar.  Also, no little squares
> indicating windows in tags are shown in the statusbar.  As if
> it was referring to a missing laptop display!?
>
> Alt-b hides only (right) half of the statusbar.
>
> Going down to 1024x768 cancels all those weird effects.
>
> Any idea?
>
> Sincerely,
> s.
>
>

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