compiz team mailing list archive

[Robert Thornton <robert.p.thornton@xxxxxxxxx>]

I get exactly this same behavior on my Lenovo w520 laptop ever since
14.04.1. There appears to be nothing wrong with the nvidia drivers. The
driver hasn't changed and neither has my xorg.conf since the update. If
I boot without my external display connected, then after a few seconds I
hear the ubuntu "drums" sound event that normally plays whenever the
login screen is displayed, but the login screen doesn't show on the
built-in display. Only the purple boot screen displays. If I connect my
external display, I do see the login screen. Once I authenticate with my
external display connected, my built-in display will display the
desktop. I've re-installed 14.04 at least 3 times, and I keep getting
this behavior. The only way I've been able to avoid it is to NOT do the
updates, and that's a security problem.

-- 
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https://bugs.launchpad.net/bugs/1332963

Title:
  laptop with docking station hangs on purple boot screen if booted
  without dock

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