I have a Gateway laptop with a a4 vision amd processor and dual core and amd radeon graphics. I just installed ubuntu 11.10 by Ubuntu disk but every time i try to boot into ubuntu, the screen turns purple and then black. Thanks for answering.
closed as too localized by Luis Alvarado♦ Mar 14 '13 at 16:53
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When I had this problem on my desktop computer (again with AMD Radeon graphics), I found that the best way to fix the problem was to edit the boot option