as a workaround replacing boot options "quiet splash" with "i915.modeset=0" fixes the problem on thinkpad x40 (from article in http://ubuntu-tutorials.com/2010/05/06/ubuntu-10-04-lucid-blank-screen-at-startup-workaround/ )
as a workaround replacing boot options "quiet splash" with "i915.modeset=0" fixes the problem on thinkpad x40 (from article in http:// ubuntu- tutorials. com/2010/ 05/06/ubuntu- 10-04-lucid- blank-screen- at-startup- workaround/ )