How do I install Ubuntu on an iMac 27"?

Posted by jml on Ask Ubuntu See other posts from Ask Ubuntu or by jml
Published on 2010-11-18T17:12:13Z Indexed on 2011/01/03 23:58 UTC
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Filed under:

10.10

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installation

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mac

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apple

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refit

I have a beautiful 27" iMac. I would like to run Ubuntu on it natively, dual-booting with OS X.

I have rEFIt installed, and I can boot into the Ubuntu 10.10 CD, kind of. Here's what happens:

I select the CD from the rEFIt menu
It loads for a while, then flashes up an aubergine screen with a very low-res picture of a human, an arrow and a keyboard
It sits there for a while
It changes to 80x25 console mode
The screen then goes black, as if nothing is displaying to it

All the while, the CD is churning away as if something is reading from it.

What do I do?

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