Getting Black screen after installing 12.04 on new Mac Pro

Posted by Matteo on Ask Ubuntu See other posts from Ask Ubuntu or by Matteo
Published on 2012-10-17T10:42:13Z Indexed on 2012/10/17 11:22 UTC
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12.04

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installation

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macosx

I installed Ubuntu 12.04 on my new Mac Pro. I had some problems because bootcamp did not allow me to partition the hd without a Windows cd.

I inserted a Windows cd and did the partition and then I stopped the installation. I completed the installation of Ubuntu that now works.

The problem is that Grub can't start Mac OS. It sees the Mac OS X in the menu but if I try to start it I have a black screen or sometime just the boot manager.

Has anyone else experienced this problem?

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