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How to fix bootable OS on Mac with Grub Rescue [duplicate]

Yesterday I installed Kali Linux 2.0 on my MacBook Air (runs El Capitan). However, after managing to run it, and exiting it, i couldn't find Kali on my laptop anymore. I forgot to install Refind ...
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1answer
139 views

GRUB 2 - “fb: swiutching to radeondrmfb from EFI VGA”

Whenever I try to boot Arch, Mint or Debian from a USB stick using GRUB 2 on my mac with compatibility mode, it freezes on this error (given in the question title). I've tried every available, up to ...
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0answers
297 views

Broke Boot Camp while trying to get a triple boot

I'm running Yosemite, up-to-date on a mid-2012 MacBook Pro. I removed the optical drive, moved my internal HDD to its location and placed a new SSD in the original HDD's location. This has been great ...
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1answer
821 views

GRUB overwritten Refind/Mac bootloader - Unable to boot

Getting desperate here, need some help background: I have a late 2012 imac, running OS X 10.10 Also i had Xubuntu & OpenSuse running as secondary OSs I was using refind & everything was ...
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1answer
5k views

Dual boot Ubuntu 14.04 on a MacBook Pro

so after a few hours of Google searching and too many headaches with a broken GPT, I've turned here. I have a 2012 MacBook Pro (9,2) that I want to dualboot OS X 10.9 and Ubuntu 14.04 on. I've read ...
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2k views

Install Linux Mint on a dual-drive MacBook Pro with Windows and OS X

I have a Macbook Pro 13 mid-2012. It was shipped with a 500GB HDD, to which I added an additional SSD drive (128GB). After installing my SSD in a caddy, thus replacing the optical drive, I installed a ...
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432 views

Replacing OS X with Linux or Unix, and making the switch to Tiling Window Managers

I have a Macbook Pro 8,2 and really want to make the switch to something a little less stubborn and a little more flexible than the proprietary Mac OS X. I am a bit frustrated with MacPorts lately and ...
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1answer
8k views

Ubuntu on Mac (dual-boot). Where do I install GRUB?

When installing Ubuntu, I choose to install GRUB on a partition other than: /dev/sda i.e. /dev/disk0 as this is stated in various tutorials. However, this way I end up with the error message: ...