Christopher:

I still owe the filing of a bug via  'ubuntu-bug linux'. However, there seem to 
be at least two possilbly related other bugs:
1) the blacking out of the screen while starting the live cd:  *patience* seems 
the "solution" at this moment in time (as detailed below); 
2) a system crash shutting down from the live cd; 
3) system freeze when trying to detect screens via System Settings > Displays > 
Detect Displays. 

For the present bug, i.e. booting with the 14.04.02 amd64 LTS image
(from February 18 (?)), I could observe the following (written here
mainly for the sake of owners of a Lenovo w541). After booting with the
live cd 14.04.2 LTS amd64 and choosing to try ubuntu, the screen shows
ubuntu and the four dots in red and white progressing, then, later, the
screen goes blank, then the mouse coursor appears, the screen goes blank
again, and finally the system is up and running and one can go through
the installation process (which I've completed successfully twice).
manadi, Arno or Salvatore, can you confirm?

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https://bugs.launchpad.net/bugs/1437386

Title:
  Unable to boot LenovoThinkpad W541

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