Ubuntu / Apple :: Remove GRUB And Just Use REFIt

Jul 21, 2010

I have OS X, Ubuntu 10 x64 and Windows 7 x64 installed on my Macbook Pro new unibody. Right now when I choose Windows or Linux in the rEFIt boot menu both options take me to the GRUB menu, and I can boot everything but it's a bit redundant and annoying.

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Ubuntu / Apple :: Grub/rEFIt Can't Run A Live CD

Mar 16, 2010

I decided that I wanted to take Arch for a spin for the next week or so (I've had Ubuntu installed for a while) and so I thought the logical thing to do was to erase my partitions and start over with a new live cd...

Well.. that didn't work. I tried to do it from Disk Utility in OS X which succeeded in deleting most everything... EXCEPT grub is still in the mbr (or whatever it runs from through rEFIt). But all I see when I start up in the non-OS X partition is:

Code:
GRUB

At any rate, no Live CDs work, I can't delete the partitions from OS X (including after booting up from the OS X Install disk).

If I hit F1 I can get the "grub>" prompt. But I can't figure out how to launch a live cd. To my knowlege, there's not a "bios" for rEFIt where I can force it to boot from CD, is there?

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Ubuntu / Apple :: Refit AND Windows Both Boot To GRUB?

Aug 3, 2010

First up, assume i know nothing about computers. I have a MBP 5,5, and choosing the logo for windows brings up the grub menu, as does choosing ubuntu's logo. I've read a lot saying i need to install GRUB natively under ubuntu, but I've had no luck doing so. can anyone essentially walk me through this step by step? or offer alternatives?

MBP 5,5
OS X 10.6.4
Win 7
ubuntu 10.04

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Ubuntu / Apple :: Install With REFIt On MacBook Pro: Grub Apparently Messed Up My Windows 7 Boot?

Mar 10, 2011

This seems to be a variant of a problem many people have had, but after several hours trawling through various forums, I haven't seen a reliable match for my situation.In brief:Adding a third boot partition (of Ubuntu) to my existing dual boot of OSX 10.6 and Windows 7 seems to have crippled the Windows boot from working, because Grub apparently takes over the process. Yet Grub does *not* appear to be on the Windows partition.

More verbose:I have an older MacBook Pro (3.1, running Snow Leopard) that I recently refitted with a new 240GB SSD HD. With the extra space (it was previously only 120GB) I decided to add a dual boot with Windows 7 using bootcamp. This all went swimmingly well.Encouraged, I decided to follow this Lifehacker article's suggestion and triple-boot the machine with Ubuntu (I'd never used Linux before):So I now have the nice rEFIt boot partition selection screen, and, indeed, I'm up and running in Ubuntu, and enjoying it.

Only one problem: I can't get into Windows any more. If I try to go in through rEFIt *or* by holding down OPT at startup and selecting the windows partition directly, the result is the same: I get thrown into Grub's selector, and selecting the Windows partition from there leads to an error message and a dead end.Having read through numerous postings, I get the impression that Grub is doing something or living somewhere that it ought not to be, but in most cases I've seen, people had accidentally installed Grub onto the Windows partition (or indeed onto EVERY partition). So far as I can tell, this isn't the case with me. Here's my boot summary:

Code:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================

[code]....

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Ubuntu / Apple :: Replace Refit With Grub2?

Feb 15, 2010

I'm not the world's biggest fan of rEFIt to be perfectly honest. It doesn't allow me to customize the menu, set a default, etc. I'd rather boot exclusively using grub-efi. Not just that, I'd prefer to be able to do so without needing an hfs+ volume to bless it onto. edit: I can now see that Elv117 has asked this recently. I shall leave this post here in the hopes that someone knowledgable runs across it and not the one further down the page. Also, I'll probably try working through the tutorial to see if I can manage it. I need to evaluate if I really need OS X at all on my MacBook. I think it would be neat to have GPT/Grub2/MacOSX/Ubuntu/Win7 working properly, the way a "modern" computer ought to. Reverting to MBR is just throwing in the towel.

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Ubuntu / Apple :: REFIt Wont Boot On USB?

Nov 10, 2010

I have installed Kubuntu (10.10) on top of OSX (10.6) on my MacBook (7.1). When I start the computer, rEFIt asks me if I want to boot on OSX or Linux. When a USB key is plugged in and bootable, rEFIt also asks me if I want to boot on it. However, if I select the USB key, rEFIt still boots Linux on my HDD! What did I wrong?

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Ubuntu / Apple :: REFIt Won't Boot The Windows

Jun 29, 2011

My friend has an older Macbook Pro (circa 2006) and she installed Ubuntu 11.04 on it but the Appleloader wouldn't boot it directly (to boot to ubuntu I had to use super grub disk 2 to load grub2). I never got it to work correctly. She just updated rEFIt and it displays all the icons for windows and linux now, but she can't boot either of them, it just gives her a black screen with a blinking cursor up in the left-hand corner.I suggested the easiest way to fix it would be to wipe everything and start over, but she doesn't want to. I barely know anything about macs and all the triple boot guides I've found are for fresh installs.

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Ubuntu / Apple :: REFIT Shows Extra Icon?

Feb 10, 2011

I had my MacBook configured with a triple boot (Windows 7, Mac OSX and Ubuntu 10.04). Everything was working perfectly until I decided to upgrade to Ubuntu 10.10 and screwed everything up haha.

I formated the Ubuntu partition and installed 10.10 on it, but I made the mistake of not selecting the correct place for the boot loader. I went the non confusing way and decided to format the Ubuntu and Windows 7 partition to start all over again.

The problem si this, for some reason rEFIT shows a Linux partition when there isn't any, I just have my HD partitioned like this:

This is what rEFIT shows:

The partitions are empty, I haven't installed any OS yet.

Do you know how can I delete that extra Linux icon?

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Ubuntu / Apple :: Long Delay On Boot Before Loading Refit

Apr 23, 2010

I have a 5,2 macbook pro, and I use refit to boot my ubuntu partition. I do not have an OSX partition on the local drive at all. The only partitions that are on the drive are the EFI, ubuntu and swap. Refit lives on the EFI dos partition.I am experiencing a very long delay on power-on before the system will load refit (probably 20-30 seconds) Once it loads everything is normal.

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Ubuntu / Apple :: Refit - Want To Change Windows Icon To Penguin On Boot Up

Jan 24, 2010

I got ReFit installed on my macbook but I get two icons: the apple and a grey windows sign. I want the penguin, so any ideas on how to change the horrendous Windows icon to the cute much-wanted penguin?

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Ubuntu / Apple :: External Hard Drive And Booting It From Refit Work?

Aug 12, 2010

would putting ubuntu on an external hard drive and booting it from refit work? and would i was starting up my imac 11,2 my ipod was bootable for some reason?

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Ubuntu / Apple :: MBR Partition - REFIt And Gptsync Are Unable To Repair The MBR Error

Sep 23, 2010

I've used rEFIt and to create a dual boot system on a new MacBook Pro 7. 1 following the directions in the community forum. I can book ubuntu and mac os x fine. However, the MBR boot table shows an error in the partition map.

[Code]...

How can I fix this, rEFIt and gptsync are unable to repair the MBR error... Will this cause problems (since MBR shows the ubuntu boot partition overlapping the OSX partition)?

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Ubuntu / Apple :: Access Partitions From Windows On ReFIT-based Triple Boot?

Mar 24, 2011

I have installed reFIT-based triple boot. Here is the partition scheme:1. GPT Protective Partition (GPT and MFT). Mac OS X (GPT and MFT)3. Windows 7 64-bit C: (GPT and MFT)4. Windows 7 64-bit D: (GPT and MFT)5. Ubuntu 10.04 / (only GPT)6. Ubuntu 10.04 swap (only GPT)Windows only supports MFT and thus sees last two partitions (5 and 6) as unallocated space. Can I somehow make it see these partitions to be able to access files from Ubuntu?P.S. I know this is rather Windows problem, but I don't know any good forums where I can ask that, because mostly on these forums the answer is "Why would you need anything but Windows?".

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Ubuntu / Apple :: Throw ReFit Into Main Hard Drive's Root Folder But Doesn't Work

Dec 7, 2010

I have a Macbook 2,1 since 2007. Last week my hard drive just died, so I decided to replace it with a new one, no problems with that. The problem came when I had to install an operative system, because my DVD drive has been broken for a year and a half now. I know we can easily install MacOSX from an external usb drive, but I don't have a big enough pendrive at the moment. So I went for Ubuntu. I have managed to get an Ubuntu 10.10 live usb stick working like charm, if anyone is interested. I just downloaded the latest i386 iso and followed this advice by pxwpxw for the 32bit EFI.

The only thing I had to change in the boot.cfg was the name of the iso and -very important- changed initrd.gz for initrd.lz. The live usb works great. But I decided to do an installation on the hard drive. I installed it using the whole hard drive and didn't get any errors. But when I boot the macbook it doesn't detect anything. I guess I need an EFI bootloader or something to make it work. I've tried to follow this guide but it seems to be intended for someone who already has MacOSX and the Ubuntu installation working. I just want to install a bootloader or whatever I need from the "outside" (from the live usb I'm using). I tried to just throw reFit into the main hard drive's root folder but it doesn't work. I think that maybe creating an HFS+ partition and installing reFit in it may work, but I don't think I can create that kind of partition from the Ubuntu usb and I also need a working MacOSX to run the enable.sh. I've also read of elilo but I've seen that it hasn't been updated for 3 years

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Ubuntu :: Why Does Installing Grub-doc Remove BOTH Grub-pc And Grub-common

Jan 3, 2010

I'm just slightly confused here, but... what the? Why does installing grub-doc remove BOTH grub-pc, and grub-common? So basically it seems like by installing grub-doc, I have uninstalled grub totally (yes, it is still there as the bootloader, but i have no way of updating it now!) from my system. What's the conflict between grub-doc and grub-pc, such that grub-pc has to be removed?

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Ubuntu / Apple :: Grub EFI Will Not Make/use A Grub.cfg

Apr 22, 2010

I was able to make a grub.efi boot loader finally. But in the end it did not make or generate a grub.cfg, so every time i boot using this loader I get the grub bash shell and nothing else. I tried copying the on from my harddrive to the EFI folder on my flash drive but still nothing.

What i did was compile the loader from source using the directions here, then formated a 4 GB flash drive to gpt, and a fat32 File system. Then moved all of the grub items to /efi/grub. Once done i then rebooted, booted to a rEFIt cd and then used it to boot to the USB (the folder is not blessed yet). Then once i got to the loader screen its just a EFI screen, no boot choice Nothing... just a recovery bash. What am i doing wrong... did i do a step wrong, did i compile wrong? What?! could some on PLEASE tell me how to get the EFI grub to make/use a grub.cfg file!

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Ubuntu :: Remove Grub 2 At Grub Rescue Prompt?

Jan 15, 2011

So I wanted to get rid of ubuntu 10.10 on my HP pavilion dv6 laptop as I wanted to make some hd space. Its a dual boot with windows 7. I deleted the ubuntu partition and expanded the windows partition to fill the whole hard drive again. When I restarted my laptop I got the "error: no such partition. Grub rescue>" message.

I tried inserting my ubuntu 10.10 boot cd but whenever I boot from the cd I get the exact same grub rescue error. Is it possible to remedy this situation from the error? I am currently unable to download a windows recovery cd so I'm stuck in the grub rescue page unless its possible to fix this mess from the error prompt.

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OpenSUSE Install :: Remove The 11.2 Grub And Make The 11.1 Grub Master Again?

Jun 7, 2010

I have installed 11.2 next to my 11.1 version I have a few big problems with 11.2 and I like to completely remove it. there are 2 grub's active now. I want to remove the 11.2 grub and make the 11.1 grub master again, but I do not know where to change this, the MBR points to the 11.2 grub and changing menu.lst probably does not have any effect.

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Ubuntu / Apple :: Remove The Partition - Dual Boot Mac

Jun 28, 2010

I want to dual boot mac and ubuntu. Now, if I want to remove the ubuntu partion, how do I do so? (I have not yet installed Ubuntu)

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Ubuntu / Apple :: Mac Booting With EFI GRUB?

Feb 11, 2010

I just install ubuntu Linux fully on my computer. Now i then install Grub-EFI, and EFI amd64. I also blessed my Linux partition. Now did i install everything to boot grub EFI? if i did. how do i know im booting using Grub EFI and not GRUB?

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Ubuntu / Apple :: Does Kubuntu 11.04 Have Efi Support On Its Grub

Jul 28, 2011

I currently have kubuntu 11.04 on my laptop harddrive that is in an external enclosure. it is on the outside of the machine and connect to the computer via USB.It works fine on my windows machine and I love the fact I could also plug it into my kubuntu machine at home and use it as a regular harddrive too. Although my new job basically wants me to use a mac. Apparently you need something called an efi support on my grub so here are the questions:

Does kubuntu 11.04 have efi support on its grub i.e. can I plug my hard drive with my kubuntu on via USB to a mac and boot from there? If not how could I get one? Also does getting efi support make any difference when I plug it into my kubuntu machine at home? So can I back up my data as I used to?(by simply plugging it in)Could I still plug it into my windows machine as before and work if I get efi support?

p.s. If you have trouble with heavy laptops give external harddrives a go its like carrying an ultra light linux machine (with all your data in it)!

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Ubuntu / Apple :: Mac Mini And MBR Only - Keyboard Not Working In GRUB?

Jun 14, 2010

I set up my Mac Mini to dual boot Windows 7 and Ubuntu. I started with Windows only, and allowed it to rewrite the partition table (GPT/MBR). When I tried to install Ubuntu, it didn't see Windows until I used Gdisk to delete the GPT portion. Then it recognized the Windows partition and installed Ubuntu as per normal. Now when I boot, I get GRUB and the option to boot Ubuntu or Windows 7. The only problem is that the USB keyboard (Aluminum or standard PC keyboard) doesn't work until an OS is loaded.

Is this an EFI problem? I'm starting to think that EFI is required for USB keyboard support at bootup since it replaces the BIOS functionality. Is this even remotely accurate? Did I mess things up by not going the rEFIt route? I'm not sure what I can do at this juncture as I can only boot into Ubuntu.

I could install OS X, rEFIt, then Windows and Ubuntu, keeping rEFIt as the boot loader, but if there's an easy solution I'd like to avoid that. More importantly, I'd like to understand what's going on.

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Ubuntu / Apple :: GRUB On Dual Boot Macbookpro 5,5?

Nov 16, 2010

Last night I installed ubuntu 10.10 unto a macbook pro 5,5 following the instruction from the MactelSupportTeamAppleIntelInstallation however I made a mistake during the installation process. I forgot to go into advance settings and choose to install the bootloader on /dev/sda3. I'm not exactly sure why this step was needed since everything was working fine anyways, but I was wondering how can I remove the bootloader from /dev/sda and install it on /dev/sda3 without breaking anything. [URL]...

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Ubuntu / Apple :: When Booting Can Only Acces A Broken GRUB?

Dec 26, 2010

when booting I can only acces a broken GRUB and this is how I might have done it wrong. I installed Ubuntu the first time using dual-booting which I think is the worst way since it could be done better by using a Virtual Machine such as Parralels or VMware. Well later I noticed that after removing Ubuntu there was still 2 problems 1.when selecting a OS during startup When I select "Windows" it goes to a broken GRUB which displays something like this " Use tab to complete the first commands" GRUB><where you're suppose to type> and I can't type so I hard reboot it. 2. I could not get rid of LinuxSwap. Much later I removed LinuxSwap by booting in a Ubuntu live disk and then removing the partition as well as the Linux "/" and after booting to Mac OS X leopard disk0s1 the Mac OS X system partition was mounted which was bad since it was suppose to be invisible to even the root user unless viewed by terminal on any user.

Now later I reformatted it as "Mac OS X something extended" and at first it was unjointed and impossible to mount and after I reformatted it it appeared as disk0s3. Now the problem appeared.This is the stuff I can do1. I can type some commands in the GRUB but when I typed find / the output is something like can't find /2. I might be able to boot up a live disk however my Linux Ubuntu live disk is broken.3. this is my dad's second hand Mac G5 iSight, not mine and it was a bargain, it was cheaper than my iPad with Mac OS X Leopard 10.5#

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Ubuntu / Apple :: Windows 7 Not Showing Up Under Grub For Macbook Pro

Jan 23, 2011

I am trying to triple boot osx, win7 and ubuntu 10.10 on my macbook pro. This is the way I did it:

-Installed osx and created 2 partitions in disk utility, one for osx and another formated as dos fat to manually hybritized my drive and allow for windows installation (the new bootcamp is currently messed up, so can't do it that way).

-Installed win7 by bio booting the cd, and deleting the formatted partition (dos fat) and creating a new one via win installation.

-Installed ubuntu by bios booting the cd and creating its own partition in setup.

Now, when I turn on my macbook and press alt, 2 icons come up, mac and windows (so good so far!). But when I go into the windows option, grub loads and I see 5 entries:

-Ubuntu
-Ubuntu safe mode
-Memtest
-OSX 32 bit
-OSX 64 bit

Obviously osx is not going to boot under bios boot. But where is win7 that should be in the list?

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Ubuntu / Apple :: Grub Error - Boot Back Into Mac Os X?

May 6, 2011

I am persuaded now (too late) that I need to invest in a robust backup scheme.

I had refit dual-booting snow leopard and ubuntu 10.10.

I tried to upgrade to 11.04 and it got stuck on bootup after the upgrade.

So I went into disk utility and deleted what I thought were all partitions except the mac one. I rebooted, and now I get the grub no partition error.

Did I delete my mac partition? I don't think that I did. How do I boot back into mac os x? Using the option key on bootup no longer shows a mac disk and inserting the mac os x system cd doesn't show any options either.

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Ubuntu / Apple :: Macbook 8,1 - Natty / Grub 2 Does Not Install?

Jun 20, 2011

I am able to install 11.04 (64bit) on my MBP, but after installation I cannot boot into it.[URL]...

Quote:

This information will not work for iMac (11,1) users installing recent versions of Ubuntu (e.g., Maverick). The presence of the bios-grub partition that the Ubuntu installer creates by default (e.g., sda3) causes a conflict that prevents syncing the GPT and MBR partition tables. Deleting sda3 does not help since grub2 requires that bios-grub partition, nor will it use either sda or sda4 aborting with the error: "This GPT partition table has no BIOS boot partition; embedding won't be possible!". So installing Ubuntu with the bios-grub partition fails and installing without it fails. See "Single-Boot". And this seems to be the problem, as trying to re-install grub from the live-cd results in that error message. Looking at this forum there are a lot of people running ubuntu on the same laptop, so my question is: How??

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Ubuntu / Apple :: Macbook Pro 5,3 Boots To Cursor, No Grub?

Jul 11, 2011

I've just successfully installed Ubuntu 11.04 on my macbook pro, but when I boot, I just get a blinking cursor. I've tried the following to try to fix it, with nothing working:Press "Shift" to boot into GRUB (result: doesn't respond)Using liveCD, edit grub settings to allow for this (result: same as before).Chroot using liveCD to install required video packages (result: updates work, but installing new or upgradingexisting packages fails because it can't properly start jobs. I assume this is because it wants to use resources that would exist if the system were truly booted from the HD but the resources don't exist in the LiveCD environment)Chroot using LiveCD and try using jockey-text to install NVidia drivers as suggested on https://help.ubuntu.com/community/MacBookPro5-3/Lucid by command line instead of by GUI.Can't connect to certain sockets (the device files don't respond because they're not in the active system, I guess).

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Ubuntu / Apple :: Broken Grub: Triple Boot OSX / 10.04 / 10.10?

Aug 2, 2011

I've been running Ubuntu for some time on an old MacBook 3,1. It has been a happy OSX / 10.04 dual boot. I'm attempting a triple boot: OSX / Ubuntu 10.04 / Ubuntu 10.10. The partition scheme is similar to this, I've lost exact partition sizes:

Code:
1 20.5kB 210MB 210MB fat32 EFI System Partition boot
2 210MB 32.9GB 32.7GB hfs+ Untitled
3 33.1GB 33.2GB 105MB ext2 Untitled
4 33.2GB 33.9GB 734MB linux-swap(v1) Untitled

[Code]...

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Ubuntu / Apple :: Boot Stops At Grub Stage Following Mac ReInstall?

May 28, 2010

I reinstalled Mac OSX and my Mac files on my 24" intel core 2 duo iMac from a Time Machine backup. The Linux and Swap partitions appear to be unaffected. However, rebooting into Linux 8.04 stops at the Grub stage.

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