Kernel 2.6.38-rc1 contains the following workaround for this problem:

commit a76150302d6e7ebc43e1a1ddaee7fd51db8da3b3
Author: Chris Wilson
Date:   Wed Jan 12 17:04:08 2011 +0000

    drm/i915: Add a module option to override the use of SSC
    
    In order to workaround the issue with LVDS not working on the Lenovo
    U160 apparently due to using the wrong SSC frequency, add an option to
    disable SSC.
    
    Suggested-by: Lukács, Árpád
    Bugzillla: https://bugs.freedesktop.org/show_bug.cgi?id=32748
    Signed-off-by: Chris Wilson
    Cc: [email protected]

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https://bugs.launchpad.net/bugs/608907

Title:
  [lucid][maverick][i915] Lenovo U160 Intel i7 620UM blank screen

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