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I am trying to install Ubuntu 12.04 on my Macbook. The CD drive is broken, so I am going from a USB flash drive I created. I can get it to "Try Ubuntu" perfectly fine, as a matter of fact I'm using it right now.

However, I really want to install. Everything is partitioned, rEFIt is installed. I run the installer and I follow the guide at Apple Intel Installation I get to the install part of the installer, and after running it ends with a fatal grub error.

Anyone know how to get past this? I feel like it has something to do with the fact that I don't get the last dialog box of the installer with the "advanced" tab used in the guide. Any help is greatly appreciated!

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I've had the same problem on my desktop. My problem whas an SSD (OCZ revodrive). I am not sure what SSD you have but I think its the SSD's fault. – GiovanniK Jul 17 '12 at 17:00

I had a really hard time getting a working install of Linux on my Macbook Pro 6.2 with a few versions not even getting to the "Try Ubuntu", others creeping a little further.

In the end, I managed to get a copy of Xubuntu 12.10 to run. But even while partitioning, I experienced errors. I had to avoid making a home partition and let the installer proceed then retro create a home partition.

For the partitioning and EFI boot this source was very useful: EUFI Booting Ubuntu on a Mac.

For the sorting out my home partition this helped: How to create a separate home partition after installing Ubuntu.

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