[ubuntu] Intel graphics puzzle, 11.04

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http://ubuntuforums.org – I have a Lenovo L420. I was having issues with the graphics under 10.04 so I upgraded to 11.04. The graphics problem persisted. I edited the /etc/default/grub file and removed the i915.modeset=0 part. I then restart the machine and get a screen with alternating black and white vertical bars. There is nothing I can do from this screen. If I then however hit Fn+F4 which makes the computer suspend, then hit Fn+F4 again to make the computer wake up, the login screen shows up and everything works perfectly. Prior to editing the grub file, the video card was not really recognised as I was in safe m (Hardware)