2
votes
1answer
103 views

Tri Boot on an iMac [closed]

I have a 2013 iMac (desktop) which is running OS X Mavericks, Windows 8 and Ubuntu Raring. I am using rEFInd to do the initial boot up but there are a few problems with this setup: it takes a long ...
0
votes
2answers
144 views

Can't boot live usb or cd on 2006 macmini running xubuntu

I had to install Refit to boot a xubuntu 12.04.4 install cd originally. I chose to use the whole disk to install xubuntu. I need to reinstall due to some user errors, but now I can't boot any cd's or ...
0
votes
1answer
60 views

Install ubuntu as a dual boot system in mac air

http://www.maketecheasier.com/install-dual-boot-ubuntu-in-macbook-air This is what I followed to install ubuntu as a dual system for my mac air. I have finished installing ubuntu in my mac and I can ...
0
votes
0answers
122 views

“Missing Operateing System” MacBookPro Triple boot Troubles

(This was posted on February 17th 2014) **My actual question is at the bottom under the other double asterisks the rest is a fairly detailed account of what I have done so far. Thanks!! :D Hey ...
0
votes
1answer
62 views

Boot Wubi in another bootloader

I have a MacBook Pro 9.2, with 2 partitions (3, considering Mac OS Recovery), one with MacOS X and another with Windows 8. I have installed Ubuntu through Wubi in Windows and I'd like to, if possible, ...
0
votes
1answer
430 views

Grub installed over refit after installing ubuntu 12.04 on imac7,1

I just installed ubuntu 12.04 on my old imac7,1. The first thing I did was install refit from OSX. After that, I installed ubuntu from a liveCD and all went apparently fine. The problem is that GRUB ...
0
votes
1answer
810 views

Purple screen on boot, iMac

I have just installed Ubuntu 13.10 (special iMac iso found here) on the new iMac (dual boot). Installation of rEFIt was completed successfully, as well as the installation of Ubuntu itself. After the ...
0
votes
1answer
2k views

Grub Rescue on Mac after Partition Resize

Ok, I've read a few posts about that, but either the people who wrote had a dual-boot Windows/Ubuntu, or I didn't understand the solution in the end... Anyway I'm just too scared of doing something ...
1
vote
1answer
847 views

Installing Ubuntu onto MacBook Pro via USB

I am new to this forum, and to Ubuntu. But I am trying to get it installed onto my MacBook Pro (late 2009 - with an installed Samsung SSD). I have attempted to follow the tutorial on the Ubuntu ...
0
votes
1answer
197 views

Change GRUB2 boot device

I have a MacBook Pro, and I use rEFIned to dual-boot Ubuntu and Mac OS X. In case I ever messed anything up, I installed Ubuntu on an external hard drive. However, I messed up the setup so I installed ...
0
votes
1answer
596 views

Mac boot from Ubuntu installed on a USB drive

I have a USB drive with Ubuntu installed on it (on a Live USB, it actually has Ubuntu installed on it), and it works seamlessly when I try to boot my PC from it. When I try to boot my mac (Mac Book ...
1
vote
1answer
4k views

How to dual boot Mac OS X and Ubuntu without rEFIt

I want to install Ubuntu on my Mac but I don't want have to use rEFIt. Can I do that? Can I just hold the option key on startup and use that to pick what I startup with? And if so would I install ...
0
votes
1answer
855 views

Mac won't boot into OS X after update

I run an update today on my Mac and it updated GRUB. I select it to leave it and not update it however when I reboot, rEFIt didn't appear and went straight to GRUB. I can boot into ubuntu but not into ...
0
votes
2answers
3k views

Where to install Ubuntu bootloader on a Mac?

I'm trying to install Ubuntu on a Mac, but I can't get it to boot with default mac bootloader or rEFI. It shows up as "Windows" On the mac bootloader and shows up as "Linux" on rEFI. I'm not sure ...
1
vote
1answer
3k views

How can i safely remove extra GRUB installs?

I am using a Macbook Pro 6.2. I installed Ubuntu 12.04 and it was working fine. I Re-sized my partitions (to make more space for Linux) and of course messed up GRUB. This is fine. I corrected the ...
1
vote
1answer
1k views

Do I need to use rEFIt if I want to install ubuntu on a MacBook Pro?

I am considering getting the new MacBook Pro and dual-booting OS X and Ubuntu. All the help pages I found say I need to use rEFIt but is that really necessary? Can't I just use the default OS choose ...
1
vote
2answers
574 views

Ubuntu 12.04 running from an external hard drive freezes frequently

I have the late-2009 model of the iMac (with the latest version of Lion) and I use a rEFIt CD frequently to switch from OS X to Ubuntu and vice versa. Ubuntu 12.04 is installed on a partition of an ...
1
vote
3answers
2k views

Remove Grub Loader from Mac

I installed Ubuntu (Precise) on my Macbook Pro but now I'd like to go back to OSX but I can't boot off the OSX Snow Leopard DVD to do a reinstall. I have tried booting and holding down "c" or using ...
8
votes
1answer
44k views

How to install Ubuntu on a Mac and keep OSX?

Could anyone provide a concise step by step instruction on how to install Ubuntu 12.04 on a Mac OS X Lion? I have read that Ubuntu corrupts the EFI file so I would like to hear from those who have ...
0
votes
1answer
470 views

Boot problem in dual-boot iMac

I know there are too many booting problem posts in geek forums, but none of them could help me so i decided to ask here. I have been using my iMac with Ubuntu 10.04 for almost 1 year. It was perfect ...
1
vote
2answers
714 views

Installing on Snow Leopard?

Have Snow Leopard 10.6.5 on a working MacBook Pro. Have CD of Ubuntu 10.10 amd.dmg in the CD drive. Have rEFIt. Now what?
6
votes
3answers
2k views

How do I install Ubuntu on an iMac 27"?

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 ...