1
vote
0answers
17 views

Grub takes forever to show up

I just installed Ubuntu 14.04.1 LTS on my MacBook Pro 5,3. Everything works fine so far except for GRUB. It takes 5-8 minutes to just show up. The rest of the boot process goes as expected. I'm also ...
0
votes
1answer
56 views

Mac wireless keyboard doesn't work in GRUB 2

I have just installed Ubuntu 14.04 and now I cant boot into Mac OSX anymore. I am using the standard wireless keyboard that all Apple computers come with and it doesnt work at all in the grub 2 menu ...
0
votes
0answers
136 views

Dual booting Ubuntu on Mac, stuck in GRUB

I realise there are threads out there for this issue already, however I have tried those solutions to no avail. I am a Linux newbie trying to dual boot into Kubuntu/Ubuntu on my MacBook Air (Intel), ...
0
votes
1answer
75 views

Can I install Ubuntu on a Mac? (NO Dual Boot just Ubuntu)

I have googled for quite a while now and haven't found the answer. My question is, can I install Ubuntu on a mac and leaving out the Mac OS. I just want it to boot ubuntu and nothing else. Maybe a ...
1
vote
0answers
59 views

Replace Mac OS X boot loader with Ubuntu

Currently, I have my MacBook Pro's SSD filled with a Mavericks installation, and after some frustrating hours, an external HDD loaded with Ubuntu 13.04 (soon to be 13.10). As of now, the only way for ...
2
votes
1answer
129 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
0answers
82 views

Can't get to the GRUB menu on iMac G5

I have an iMac G5, I'm trying to install Ubuntu 12.04, but I've had an error that I've gotten the solution to, but the solution requires me to get to the GRUB menu, and I can't seem to do that. I ...
0
votes
0answers
21 views

install ubuntu as a dual system on mac air

http://www.maketecheasier.com/install-dual-boot-ubuntu-in-macbook-air i followed this article and i have done all steps. to enter the ubuntu, just as this article said, i need: When the Grub menu ...
0
votes
1answer
57 views

Delete GRUB after deleting Ubuntu from Mac Dual Boot

My question is a bot specific. I installed Ubuntu 12.04 on my MacMini (Mid 2010) and deleted it after some problems. I resized my Mac Partition so that there was no Ubuntu Partition anymore. But it ...
0
votes
0answers
24 views

Ubuntu-Mac Dual-Boot - after deleting Ubuntu GRUB blocks my way

A few months ago I installed Ubuntu (I think 12.0.8) on my MacMini (it was 10.6.8 than and is now 10.9). Since then I have reshaped my partitions about two times - including overwriting them with ...
1
vote
1answer
661 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
721 views

How to install a dual-boot Ubuntu in BIOS mode and Mac OS X?

I'm trying to install Ubuntu in BIOS emulation mode, not the native EFI firmware, on my Mac Pro (2010). I'm doing NVIDIA CUDA / OpenCL development and I require the NVIDIA proprietary graphics ...
0
votes
0answers
17 views

Grub boot instead of any HDD

i was recently installing linux on my hard drive(sdc) and it caused problem during grub installation and i try to use boot-repair. but it doesn't work now whenever i start my system. it boots in grub ...
0
votes
0answers
107 views

Dual booting OS X with Linux on an external hard drive

I have a Mac Mini and I've successfully installed Ubuntu 13.10 on a partition on an external hard drive. However, I cannot boot it during start up. I've booted with a rEFInd CD in the drive and it ...
1
vote
1answer
265 views

Install full Ubuntu 12.04 on USB and boot on mac

I will be very specific because I have tried asking this question multiple times and people get confused. I would like to install full Ubuntu 12.04 onto a flashdrive and be able to boot from the ...
1
vote
1answer
1k views

Gptsync failure on Macbook Pro 8,2, Ubuntu 13.10 dualboot

I'm having a very tough time dual booting with Ubuntu 13.10/OS X Mavericks on my Macbook Pro 8,2. Before this is closed as a duplicate, I've tried all popular solutions I could find to no avail, ...
6
votes
3answers
18k views

Mac OSX update broke booting Ubuntu

I have a mac that is running a dual boot with OSX and Ubuntu. I am using rEFIT. I just updated my OSX to the new OSX Mavericks, but when i restarted my computer and tried to enter Ubuntu from rEFIT I ...
0
votes
1answer
303 views

install Ubuntu on a Mac book single boot

I have a Mac Book (2006) 2 gb ram 2.2 GHz processor core 2 duo (intel-based processor) 80 GB hdd loaded with Windows 7 x86 only (single boot) - I've deleted the Mac X OS completely before and I ...
0
votes
0answers
87 views

Stuck at a Grub2 screen on iMac with ubuntu 13.04

I have installed Ubuntu 13.04 on my old iMac and today when loading it quite normally, I got prompted for the first time the grub menu asking me to choose which partition to boot. It normally does ...
1
vote
1answer
2k views

Remove Grub Loader from Mac - USB Thumbdrive installation

I installed Linux from one bootable USB thumbdrive onto another bootable thumbdrive. That works. However, now my Macbook Air boots to "error: no such device: XXXXXXX... grub rescue>". If I hold ...
0
votes
1answer
154 views

iMac keyboard not connecting to GRUB

I recently installed Ubuntu on my late 2011 iMac 27'on a separate partition to OSX Mavericks and found after accidentally disabling Bluetooth in Ubuntu and rebooting, my keyboard not being recognized ...
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
1k views

Booting Mac OS X from Grub? [duplicate]

We installed Ubuntu 12.04 and updated to 12.10 (Raring Ringtail) on a separate partition of our Mac tower. However, when trying to load Mac OS X from Grub, we get an immediate kernel error along the ...
0
votes
1answer
215 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 ...
1
vote
2answers
2k views

Installing Ubuntu on a powerbook G4 667- unable to boot

First of all, thanks for your time. I see that every time this question was asked, the thread was closed before it got an answer. so please, can you at least point me in that right direction? When ...
1
vote
0answers
130 views

Replace ubuntu boot menu (iMac)

I have a 21.5" iMac (Intel based), and I recently installed Ubuntu on a 90GB partition. After I installed Ubuntu, I noticed that whenever i boot my machine I get GRUB where I can select my OS (Mac or ...
0
votes
1answer
907 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
429 views

Move Grub Boot loader into another partition

I am dual booting mac OS X with Ubuntu 64-bit and using the alternative install, when I got to the Grub boot loader I acidently selected the wrong partition to install, I installed the GRUB on the MAC ...
1
vote
0answers
53 views

Change the bootload so it is linke bootcamp

Hi I have installed bootcamp in the past and love the way it boots quickly and automatically to macOS and only if you hit a button during the boot it presents you with an option to load windows. Can ...
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
229 views

Uninstalling GRUB from MacBook Air

I have a MacBook Air and I recently tried to install Ubuntu on my external HD. I booted Ubuntu from a flash drive and everything had gone fine. I turned off my computer and when I turned it on again I ...
1
vote
1answer
5k views

Gparted moved Linux partition — no longer boots

I have a MacBook Pro with Mac OSX installed and Ubuntu 12.04. I wanted to resize my Ubuntu partition, so I booted to a 10.04 liveCD and used GParted to "move/resize" my Ubuntu partition. ...
1
vote
1answer
710 views

Disable GRUB and use Apple's EFI-bootloader on MacBook Pro

How do I remove GRUB? I'm asking because I'm using a MacBook Pro and when I boot my computer, it asks me first to choose from OS-X or Ubuntu (through Apple’s EFI-bootloader) and the second time ...
2
votes
1answer
12k views

Help editing GRUB on Ubuntu 12.04

I'm thinking about making a partition to test out Mac OS X on my own computer hard drive and don't think it would suffice if I used it through VM. So, how would I go about returning to single boot ...
0
votes
2answers
667 views

How to install grub on the PBR instead of MBR?

I own a Mac and I want to install a triple boot. The problem is that I need to keep my windows bootloader to make sure that it works well with Mac OS. But I want Ubuntu too and if I install ubuntu, it ...
0
votes
2answers
879 views

Dual Boot Ubuntu & Mac

I have Ubuntu 11.10 installed. Just installed Mac OS X, updated GRUB, which generates 2 Mac entires (32bit & 64bit). But when I try booting from these, it just restarts. I suppose I need EFI GRUB? ...
0
votes
1answer
484 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 ...