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 ...
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
2answers
509 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
0answers
128 views

Can't boot into operating system after battery died

After my battery died today, I went to charge my laptop. It's a MacBook Pro and I run a dual boot of Mac OS 10.3 and Ubuntu 12.04 LTS. After booting into refit, and selecting Linux, I get a black ...
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 ...
0
votes
1answer
787 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 ...
2
votes
1answer
422 views

Restoring rEFIt on Macbook Air

My Macbook Air dual boots Mac OS X and Ubuntu Precise. Normally when you turn it on the first thing you see is the rEFIt menu which allows you to select which OS to boot. If you select Ubuntu then ...
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. ...
2
votes
1answer
4k views

Won't boot after installing Ubuntu 12.04 sucessfully

I installed 12.04 successfully and rebooted (I took out my installation CD), and selected the newly installed Linux partition to boot from rEFIt. Then it just comes up with this error message: ...
1
vote
2answers
673 views

My Mac can't boot Ubuntu

Yesterday, I ran my Ubuntu Live CD to check if my OS partition was damaged, as I halted the computer from the Mac's button too much times. It seemed to be fine, so I restarted the computer. But now I ...
1
vote
2answers
2k views

Macbook Pro 8,2 Graphics switching - Ubuntu 12.04

I've been reading docs and various pages for a few hours now and can't seem to put all of the pieces together on this. Basically I am trying to get 12.04 installed on my MBP 8,2 with graphics card ...
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 ...
0
votes
1answer
820 views

Can I install Ubuntu 12.04 on MacBook 6.1 (Late 2009) on my external hard drive?

I have no experience in installing Linux based OS on MacBook, but I already have Windows installed on my Mac. I read some articles saying I can have the Lucid Lynx installed in my Macbook 6.1 and ...
1
vote
2answers
553 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 ...
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 ...
2
votes
1answer
2k views

Install Mac OS Lion on Macbook with existing Ubuntu 12.04 dual boot

I don't usually create my own questions, because I can find what I need through other people's questions. However, this one doesn't seem to be anywhere, except in one place where someone is talking ...