2
votes
1answer
63 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
1answer
161 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
378 views

macbook pro retina refit problem after Mavericks update

I have a problem that others do seem to have had, but have had not success following their suggestions. Updating to the Mavericks added another partition which put refit/grub out of sync and dumps me ...
0
votes
1answer
2k views

GRUB 2 problem after Mac OS X update

I have a MacBook Pro in dual boot Mac OS X / Ubuntu 12.04 (Precise Pangolin). When I boot it I have a rEFIt menu, and I can chose between Mac OS X and Linux. A few days ago I have ...
3
votes
1answer
2k views

What is the difference between grubx64 and shimx64?

I'm new to Linux. I loaded Ubuntu on my mac and I'm booting it with rEFInd, I see two choices: EFI\ubuntu\grubx64.efi and EFI\ubuntu\shimx64.efi, they both boot into Ubuntu, but what's the difference ...
0
votes
2answers
506 views

Black Screen on Macbook Pro 6,2 After Installing 12.04LTS - Tried Everything Already

I am tri-booting Mac OS 10.6.8 (Snow Leopard), Windows 8, and Ubuntu. I installed via a USB drive. The install and the LiveCD trial went flawlessly, and I can boot into GRUB. However, as soon as I ...
0
votes
1answer
122 views

Ubuntu on Mac cannot locate via OSX or boot it throught rEFIt…

... it comes up with Operating system not found. What do i do? I recently installed Ubuntu along side OS X (Snow Leopard) and when I rebooted my macbook and choose Ubuntu, I got a message saying ...
0
votes
1answer
1k 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 ...
0
votes
2answers
2k views

Ubuntu installed GRUB over rEFIt

I had my Mac set up with rEFIt and installed Ubuntu 13.04, unfortunately GRUB was installed over rEFIt. I was not expecting this and have since found out that I have no idea where my installation disk ...
0
votes
1answer
179 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
1k views

Do I really need both bootloaders? It really slow down the actual boot up time

Dear Readers of this question I'm a beginning learner in the wonderful of Linux. Its great, but I got to solve the problem by myserlf so please help me! Setup: Macbook Pro 8,1, rEFit, GRUB2, ...
0
votes
1answer
1k views

Macbook Pro 9,2 Grub Rescue Prompt rEFIt Ubuntu 12.04

I have dual-booted Ubuntu 12.04 on my Macbook Pro 9,2 without any problems after I have managed to boot into Ubuntu. However, to do that I must use super grub disk. I have a dual boot system, so I ...
2
votes
2answers
1k views

Grub loads after rEFInd

I have a dual-boot UEFI laptop, with Ubuntu and Windows. I installed rEFInd to boot to these systems, and it worked fine, but my linux system was triplicated. I supposed it was because of rEFInd ...
0
votes
1answer
780 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 ...
1
vote
0answers
56 views

Tripple booting with Refit

I am currently working on a MAC that is dual booting Ubuntu 10.04 32-bit with MAC OS X (Lion I think) 64-bit via Refit; I never use the OS X partition because I can't stand the UI on Macs, my question ...
1
vote
1answer
2k 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 ...
3
votes
1answer
4k views

Mac OS X won't boot from grub menu in Ubuntu Precise on Apple MBA(5,2)

I have set up Ubuntu Precise on the new 2012 edition of the Apple MBA(5,2) following the excellent guide over here. Now I want to uninstall rEFIt, in order to avoid going over the boot options twice. ...
1
vote
1answer
3k views

Unable to boot OS X after installing Ubuntu 12.04

I installed Ubuntu 12.04 on my MB (aluminium late 2008). After installing Ubuntu I am unable to boot into OS X. Sequence of events: Install reFit on OS X Install Ubuntu on a partitioned drive. I ...
5
votes
1answer
529 views

How can I create a live USB with persistant storage that will run on a Macbook Air without using rEFIt?

Sometimes I have to use a MacBook Air (2,1) at work. I'd like to be able to have an Ubuntu USB stick with persistent storage space for it, that does not require any modification of the machine's ...
2
votes
1answer
3k views

How to install Grub2 on Macbook Pro with the grub-install command without warning about “blocklists” requiring the use of --force?

I have a Macbook Pro 5,2 and I've had a sporadic problem with having to reinstall GRUB after a system update. This has happened with several of the recent versions of Ubuntu, although I don't have an ...
0
votes
1answer
461 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 ...
2
votes
1answer
863 views

Can no longer boot with rEFIt and Grub on early 2006 MacBook Pro

I don't know what happened to cause this. I have Snow Leopard, Ubuntu 11.04 Natty Narwhal and Windows XP SP3 on my early 2006 MacBook Pro. It is a Core Duo unit, NOT Core 2 Duo, so it is 32-bit ...
0
votes
2answers
2k views

Boot straight to grub without holding 'Option' on Macbook?

I am dual-booting Lucid and Snow Leopard on a Macbook Pro 5,3. I have uninstalled rEFIt, and I am wondering if there is a way (without reinstalling rEFIt) to boot automatically to the GRUB menu ...