ubuntu-x-swat team mailing list archive

[Greg Wilkins <745112@xxxxxxxxxxxxxxxxxx>]

I was having a very similar issue with a thinkpad X201 (see
https://bugs.launchpad.net/bugs/771344 - which is now duped here)

However, booting with the monitors plugged in made no difference - I
would go to the black screen regardless when I logged in an existing
account.

However, a freshly created account was able to display two monitors and
worked OK with monitor connects and disconnects.

I removed all the compiz files from the existing account and then logged
in with a classic no affects session.  This gave me black screens, but I
was able to hit fn-f7 and my screens cycled through various
combinations.   Some of these were all black, but some worked, including
both screens full resolution (not mirrored) and just external monitor.

I was then able to log out and back in with a classic with effects
session, and this now works!     However, if I fn-f7 too much, then
eventually I end up in the black screens with only X cursor situation
and have to restart X to get out of it.

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https://bugs.launchpad.net/bugs/745112

Title:
  [arrandale] desktop is messed up (goes black) when laptop is docked
  with two external 1920x1200 monitors (x86_64)