0
votes
1answer
100 views

rEFIt menu not identifying os

I tried to set up a tri-boot system for my mac(OSX, Ubuntu 14.04, Windows 8.1), but rEFIt is unable to identify Ubuntu and shows unknown os icon instead. It also shows multiple icons for Ubuntu and ...
1
vote
0answers
42 views

How to Definitely remove OSX after successful Dualboot

I've been running OSX 10.6.8 and Ubuntu-Studio 12.04 on my Macbookpro 5'5 for a couple of weeks now.I barely do anything on OSX anymore so I see no reason to keep using disk space for it. So now I ...
0
votes
1answer
71 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 ...
1
vote
0answers
152 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
142 views

Ubuntu doesn't work on my mac, what can I do?

i need some help with a macbook. Well, some months ago I have installed ubuntu and kali linux, on a HD external, and it works good on my macbook thanks to refit. Today I have installed refit, in my ...
1
vote
1answer
765 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
822 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 ...
1
vote
1answer
3k views

How to upgrade from rEFIt to rEFInd

I have recently installed Ubuntu Server (12.04.3) on a MacMini1.1... The MacMini already had OSX (Leopard) on it and I wanted to keep it, so after much research, I used the gpart and fdisk within an ...
0
votes
1answer
411 views

After Apple upgrade I'm unable to boot into my ubuntu 13.10 via refit partition [duplicate]

I'm currently running Ubuntu 13.10 on a minimac through a refit partition (500gb mac - 1.5 tb linux). Today I took an apple upgrade to OSX Maverick which was fine and when I tried to boot back into ...
0
votes
1answer
959 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 ...
4
votes
1answer
4k 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 EFI\ubuntu\shimx64.efi They both boot into Ubuntu. What's the difference ...
2
votes
1answer
999 views

rEFInd showing multiple ubuntu after update

I use rEFInd to boot ubuntu from a Macbook Pro. Ubuntu asked me to update (not upgrade), and I did. When I restarted, rEFInd was showing two entries for ubuntu (Boot boot\vmlinuz-0.2.7 vs. 0.1.9 for ...
0
votes
1answer
1k views

Install ubuntu 12.04 on macbook air 6.2: refit resync partitions

I'm trying to set up a MacBook Air 6,2 to dual boot OSX and Ubuntu 12.04. I've been following these instructions: https://help.ubuntu.com/community/MactelSupportTeam/AppleIntelInstallation I'm ...
0
votes
1answer
162 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 ...
1
vote
0answers
168 views

Triple booting on a MacBook Pro

I am trying to triple-boot a MacBook Pro with Mountain Lion, Windows 7, and Ubuntu. However, after attempting to install rEFit (the boot screen never appears), I booted directly onto my Ubuntu ...
1
vote
0answers
285 views

Suspend doesn't work on dual boot ubuntu 13.04 and Mac OS X

I have dual booted by MacBook Pro Retina Display with Ubuntu 13.04, using EFI boot manager rEFInd. It works great, except for the suspend function which is broken in both Mac OS and Ubuntu. If I click ...
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 ...
0
votes
1answer
224 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
2answers
2k views

Ubuntu not showing up in rEFIT (Mac dual boot)

I've been trying to get the dual boot to work for a few days now. I installed rEFIT and then installed Ubuntu, when installing I selected the option to put the grub loader on the ubuntu partition. ...
0
votes
1answer
125 views

Ubuntu 12.10 i386 installed on MacBook but not working at all

I have searched through a lot of questions but it looks that nobody had the same problem. I have successfully installed Ubuntu 12.10 on my MacBook (mid 2009) from a burned DVD. While keeping a 450 G ...
0
votes
1answer
2k 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, ...
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
213 views

How do I get 10.04 to load with rEFIt?

I installed 10.04LTS on my 2007 iMac (which already has BootCamp and Windows XP) according to the instruction listed: https://help.ubuntu.com/community/MactelSupportTeam/AppleIntelInstallation ...
3
votes
2answers
2k views

Booting multiple OSs from multiple disks with UEFI

How does booting multiple OSs from multiple disks work in terms of UEFI? I have SSD0 on which Windows 7 is installed, and SSD1 on which I'd like to have Xubuntu and Arch Linux. I understand the ...
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 ...
0
votes
1answer
1k views

Trying to dual boot 12.04 on Mac from DVD but rEFIt only gives “boot from osx” option. How to fix?

I'm trying to dual boot Ubuntu 12.04 on my MacBook (which is a Mid 2007 model with Intel Core 2 dual and currently running Lion). I've burned the Ubuntu desktop ISO file to a 4.7GB DVD, installed ...
8
votes
1answer
47k 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 ...
2
votes
3answers
5k views

Clear Complete Instructions to Dual-Boot 12.04 on OSX Lion

Honestly, google-surfing this question leads to so many half-answers and multi-part communications that it is both scary and frustrating to try to navigate them. The question here is simple: What ...
1
vote
1answer
4k 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 ...
1
vote
1answer
3k views

Fix partition tables - Dual Boot Ubuntu and Leopard

Even though I have been able to install and run Ubuntu 11.10 in dual boot in a MacBook Pro 5.1, it seems there is still something to fix: rEFIt gives me two icons to log into Ubuntu. Right now when I ...
2
votes
1answer
4k 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 ...
1
vote
0answers
490 views

Just updated, after reboot my computer won't start up again [closed]

I have a macbook that I use on occasion which dual boots Ubuntu and OSX (It has rEFIt installed). I turned it on for the first time in a while and it needed a bunch of updates. So I let it run, and ...
2
votes
1answer
946 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 ...
1
vote
2answers
732 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
6k views

Is there an alternative to rEFIt?

Is there an alternative to rEFIt as a bootloader where you can choose between OS X and Ubuntu? I already installed Ubuntu on my Mac with rEFIt, so if there's a better option, I can remove it now. I'm ...