Comment 7 for bug 745112

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Roland Dreier (roland.dreier) wrote : Re: [arrandale] desktop is messed up (goes black) when laptop is docked

OK, with ia32-libs uninstalled:

   $ dpkg --list|grep ia32
  rc ia32-libs 20090808ubuntu11 ia32 shared libraries for use on amd64 and ia64 systems

I get roughly the same behavior. I started with the laptop docked, and when I undocked it actually switched to the internal screen OK. Then when I redocked I got the black screen, and when undocking again I was stuck with the black screen too (only showing a pointer that still moves with the mouse).