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I have installed ubuntu destop with the windows installer (in windows 7). The installation seemed to be fine. However when I restarted the notebook (hp pavilion g6) and choose to boot ubuntu, it only showed the violet screen and the logo and then it got a black frozen screen without doing anything. Windows 7 works fine. What should I do? Thanks!!

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Does it give you a boot menu? Can you choose Ubuntu or Windows 7? – Mitch Jun 10 '12 at 6:07
Have you tried the nomodeset boot option? (See this forum thread, particularly the first post, but make sure to look at post #8.) – Eliah Kagan Jun 10 '12 at 6:39
Yes, I can choose Ubuntu or Windows 7 (which appears for default) – Alan Jun 10 '12 at 12:40

  1. Is your ubuntu Disk is inside CD-Drive? If no then put it.
  2. Are you doing this by mounting ISO? then it wont work, you need to burn it to the CD/USB. Still not wokring comment,..

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I dont have an Ubuntu Disk. I thought with wubi it is not necessary. Am I wrong? – Alan Jun 10 '12 at 23:22

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