Ubuntu / Apple :: Dual Boot Setup Broken By Update?
Jul 5, 2010
I installed Ubuntu 10.04 lucid lynx 64bit on my mac pro in a dual boot setup with os x. When installing I had some trouble figuring out the partitions, especially because the thing happened with the extra partition from nowhere. I deleted the small partition created by the installer, synced the GPT and MBR, installed GRUB on /dev/sda4 and all was fine.
After my first software update my system is now broken, after rEFIt it got stuck on a black screen. I started up from the livecd, chrooted into my system, reinstalled GRUB on /dev/sda4, installed it on /dev/sda too, but that did not really help. I now get to the GRUB rescue shell, but I'm pretty clueless what to do. Also it does not seem a widespread problem, since I didn;t find many reports of dual-boot macintels breaking with this update. What can I do to restore my linux system ?
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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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Jan 1, 2011
I've just gone and modified the MBR by following this article: [url]
What now happens is that I boot up the machine and all that comes up is an error:
The disk drive for /home is not ready yet or not present Continue to wait; or Press S to skip mounting or M for manual recovery
I have /home on a separate partition. Using the manual recovery I can see that the partition still exists and has all the files.
What do I need to do in order to get /home mounting again? Is this even the issue?
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Sep 1, 2011
I had been running a dual boot of both ubuntu and windows 7. I recently upgraded to ubuntu 11.04. After doing so i no longer have the option to select to load windows from the grub loader. Instead of the options presenting themselves my screen remains black before loading ubuntu.
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Jan 2, 2010
I don't want to dual as I don't want to screw up my computer. I have a PowerPc mac.
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Aug 12, 2011
where I can find details on how to dual booth OSX 10.6.8, and Ubuntu 10.10 on Mac Mini 2010?
I have the partition already setup for Ubuntu - and have already installed refit - but when I try and boot from the Live CD, the screen goes into power save mode and I can't see anything.
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Jan 14, 2010
I am at my wits end with trying to figure out why this machine won't dual boot any more. I had to reload XP and it broke my grub. I have tried everything I can think of to fix it. I have to use SuperGrub cd to boot. I get the grub menu and when I select the kernel it gives an error 17, can't mount selected partition. Also, my sound is broke....again. I upgraded from 9.04 to 9.10 and had to uninstall grub2 to get everything working again
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Apr 12, 2010
I just upgraded to Ubuntu 10.04 from 9.10 and now my Windows XP will not boot from grub. It shows up on the grub boot list but when I select it, all I get is a black screen. It worked perfectly just minutes before the upgrade, but now I cannot use windows, which I need really badly at this point.
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Jun 11, 2010
i am attempting to setup a macbook run by os x 10.5 for dual boot with ubuntu 9.10.
however, when get the part where usually a gui interface which allows one to specify the size of the new ubuntu partition appears i only get the options for using the entire disk, the largest free space or manual partition.
how can i set this machine up for dual boot?
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Jul 6, 2010
I've been using Ubuntu on my PCs and laptops for quite a while. Recently, I've been allocated a Mac for use in my lab. It is a PowerPC G5 running on Mac OS X 10.4.11. I've installed Ubuntu on one of the two hard disks available, the other one being the disk which Mac is installed in. There was no problems with the installation, but I cannot get Ubuntu to boot. Basically, when I restart the system, it boots into Mac straight away.
There is no boot loader or GRUB. I've tried holding down the options key when the system starts, but for some unknown reasons, the monitor cannot find a signal, so I cannot see what is going on. The monitor can only pick up a signal after Mac starts to boot (or, when I was installing Ubuntu, after the virtual Ubuntu has loaded). Am I suppose to expect GRUB or some other boot loader?
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Jan 26, 2011
I have one machine in my house which doesn't run Linux, and that is a new iMac (a few months old). It has 4GB DDR3 Ram, an intel core i3 chip @ 3.06GHz, and a ATI Radeon HD 4670 graphics card.I want to dual boot Ubuntu (I have a disk with Maverick on it).But I have read the wiki and I dont really understand alot of it. Right at the beginning, it says:"This information will not work for iMac (11,1) users and 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."Does this mean that I can't dual boot Maverick? What does it mean by 'iMac(11,1)'?
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Apr 29, 2011
I have a Macbook Pro, with ubuntu as the ONLY OS, there is no dual boot. I bought the mac long ago and recently got fed up with OS X, so i removed it for unbutu. i've been having random troubles with it but have for the most part been able to figure it out by reading forums however, my computer will not boot now.
From power off:
Push power button
Screen becomes grey for about twenty seconds
screen becomes black
sometimes flashes the underscore in the top right corner once
screen goes black
no change thereafter
I was playing Warcraft 3 (running on WINE) when I left it, the CD is still in the disk drive. I cannot eject it, I can not get to a log in screen, I can't do anything. Nothing I have attempted has affect the computer what so ever, except the power button as far as I can tell.
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Jun 27, 2010
I recently installed Ubuntu Lucid on my sisters laptop and it will now no longer boot into Windows Vista.
When Vista is selected, the loading bar is briefly displayed before the screen turns black and returns to GRUB.
EDIT : More specifically, first a long bar is displayed at the bottom of the screen that says something like 'loading windows files' above it. Then the standard vista loading bar, with (c) microsoft under it. Then I get an hourglass pointer and a message "please wait a moment" in the centre of the screen. After a few seconds, the screen then goes black and the computer reboots.
I used a live CD to install Ubuntu and I chose the default automatic option for the dual boot partitioning. All the data on Windows can be accessed from Ubuntu, it just will not boot.
Here is the output of the boot info script:
Code:
Boot Info Script 0.55 dated February 15th, 2010
============================= Boot Info Summary: ==============================
=> Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in partition #5 for /boot/grub.
[Code].....
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Jan 31, 2010
I'm running OS X 10.5.8 and Ubuntu 9.04 on a Macbook 4,1, and I want to remove the Ubuntu partition so I can free up hard drive space. However, the linux swap partition is located in between the OS X and Ubuntu partitions, and GParted won't let me remove it when I boot from an Ubuntu Live disk, and OS X Disk Utility can't affect it either. I followed the dual booting instructions here, and I pretty much just want to undo all of it and get back to an OS X only machine.
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Jun 23, 2010
Having successfully installed kubuntu 10.04 on my Powermac G5 I was wondering if I can install os x and dual boot, there are plenty of tutorials around but all of them involve installing kubuntu on a system with os x already installed. If there is any danger of damaging Kubuntu then I will leave it as I really don't want to go through the hell of getting it working properly again! Also I have plenty of hard drives kicking about - would it be safer/easier to install os x on it's own hard drive? And if so how would things work with yaboot?
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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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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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Jan 7, 2011
I tried burning straight to the CD after download Ubuntu. It wouldn't boot from the CD. Can anyone explain the steps I need to reproduce to make this happen?
[Code]....
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Mar 10, 2011
I have a Macbook 7.1 (the white one)
2.4GHz Intel Core 2 Duo
2GB DDR3 memory
250GB hard drive
I'd like to install Ubuntu on it because I really love the way Ubuntu is developing and becoming much more user friendly. My use will mainly be for browsing, working with wordprocessors and maybe downloading series from torrents. My question is, should I dual boot or single boot? My personal preference is to single-boot, I just like the idea of having one OS running on the machine. What are the cons of doing that? Also, If I want to dual boot just to keep the firmware updates. How much space should I designate for Ubuntu and how much for Mac OS?
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Dec 23, 2014
My Toshiba Satellite C870-198 has Debian 7.7 installed in UEFI mode alongside Windows 8.1. The GRUB menu no longer displays, but the machine boots straight into Windows.
I can boot into Debian or Windows from rEFInd installed on a USB stick. The rEFInd menu has the following entries:
The Debian entry actually launches the GRUB menu which was installed with Debian.
Code: Select allBoot Microsoft EFI boot (Boot Repair backup) from Basic data partition.
Boot supposed Microsoft EFI boot (probably GRUB) from Basic data partition.
Boot EFIubuntugrubx64.efi from Basic data partition.
Boot EFIdebiangrubx64.efi from Basic data partition.
Boot bootootx64.efi from Basic data partition.
Boot vmlinuz-3.2.0-4-amd64 from boot.
In an attempt to fix GRUB I executed the commands in the 'Reinstalling grub-efi on your hard drive' section of: [URL] ....
Code: Select allmount /dev/sda1 /boot/efi
... surprisingly returned:
Code: Select all$LogFile version 2.0 is not supported. (This driver supports version 1.1 only.)
$LogFile version 2.0 is not supported. (This driver supports version 1.1 only.)
Did not find any restart pages in $LogFile and it was not empty.
The file system wasn't safely closed on Windows. Fixing.
Code: Select all[ -d /sys/firmware/efi ] && echo "EFI boot on HDD" || echo "Legacy boot on HDD"
... returned "EFI boot on HDD".
[Code] ....
... Where is Debian?
FULL HISTORY ....
=============================
The laptop came with Windows 8 preinstalled. I switched off Secure Boot and installed Ubuntu for UEFI dual boot. I recall having to use Boot Repair to get the GRUB boot manager working properly for both systems.
Recently I decided to replace Ubuntu with Debian 7.7 and first cloned the entire hard drive to a USB drive (The Clone Drive). This drive successfully boots into Ubuntu in UEFI mode.
Following this I took the opportunity to update Windows to 8.1, which broke GRUB as expected, so that the machine would only boot straight into Windows.
I installed Debian from a live USB stick in the mistaken belief that it would be bootable in UEFI mode. It did boot OK in legacy mode.
I then burned the full Debian 'DVD' image to a USB stick, booted it in UEFI mode and reinstalled Debian. In UEFI mode GRUB allowed me to boot into both Debian and Windows.
At this point I tested The Clone Drive. It was still able to boot into Ubuntu as previously, but after powering down, unplugging The Clone Drive and rebooting, the GRUB menu failed to appear and the machine booted straight into Windows. This is its current state.
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Jun 26, 2010
I've run Debian on my laptop for quite some time now with no problems. I installed Slack to a new partition created in the free space of my hard drive, and I thik this was my mistake: I let Slack automatically configure the MBR with lilo (can't remember - I should stop operating on the MBR at 4 AM.) Now Slack runs just fine, but upon bootup I would like to be able to boot either Debian or Slack, but instead I just have a Slack splash and the only option is to press enter to boot Slack.
Code:
I believe sda1 is the root directory of my Debian install.
Code:
In the above table, sda10 is the swap I created for Slack and sda3 is the root directory for Slack. All other partitions were there before (my initial Debian install).
Thus my partitions are apparently intact and visible by the MBR (is it correct that the MBR holds the list of partitions on a disk?) but for some reason I don't have the option to boot Debian at all - just Slack.
I have a feeling this is a LILO/GRUB issue, but I don't know where to start.
EDIT: more poking around seems to reveal that it is the configuration of LILO that is the problem. Observe the following output:
Code:
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Jan 9, 2010
I currently have an old powermac 7220/200 with all ehe origanl stuff except for the hard drive which is now a slightly larger one. I was wondering if it was possible to set up a ubuntu installation on it using a 20g hard drive (I have got one of these going on a 486 running win98, just) and be able to run mac os as a dual boot system, possibly with 9.1 and the origanal mac os that come with it? Unfortunantly I cannot connect this computer to any internet even if I had a card that was compatible with mac os.
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Nov 2, 2010
I installed Win7 after Ubuntu (10.10). I attempted to reload grub so that I would be able to run them dual boot and now I can't load anything.
I followed the guide here: [url] and went threw it a couple of times now to make sure it wasn't user error.
I am using a live cd from 10.04 because it's the only one I have. Any chance that's why it isn't working properly? I wouldn't think so, but I assume that it's possible.
If that is the case; Any way to solve it without using the live cd? I cannot burn a new disk because I have to boot from disk to use my computer right now.
I just get a flashing cursor on a blank screen when I try to load.
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Jan 8, 2010
how to set up a dual boot. I know that I have to partition the drive but at the moment Ubuntu is taking up the whole drive, so would i still be able to partition without loosing anything?
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Jan 24, 2010
I'm trying to take my current windows7 (x64) setup and make it into a dual-boot setup with slackware 13.0 (x32) and am hitting a brickwall. I guess I would like to know if I can salvage the situation without formating my windows drive. I fully intend to, but I had hoped to not do it this month. I'd like to get dual boot going so I can master it and acquire all the files/drivers I'll want and then format and do it 100% right next time.
Currently I have windows setup on a 3x 500gb Raid0 onboard array which itself has been flawless. After I shrunk my current partition size to give me about 25gb of free space I proceeded to setup Linux, and I was unable to perform the cfdisk portion for partitioning the array for Linux.
I tried using cfdisk:
/dev/hdx (a1-a3,b1-b3)
/dev/sdx (a1-a3,b1-b3)
I even attempted to locate with: cat proc/partition and tried using cfdisk on every device it located. It always said it was either an unknown partition table and should I start at zero, or bad partition. I was of course too concerned over my windows setup (which has almost 1tb of stuff I have not backed up) to go any further into the unknown.
PS: I have used Slackware before, back at 8.1, 10, and even a very brief interlude at 12.0, this is my first attempt on this computer however with 13.0, it is currently running fine on my laptop and my PS3 (Laptop is even dual booting 7/Slack13. Albeit without raid)
Phenom 9850
M2N-SLI Deluxe (Nvidia AM2)
4x1gb of 1066 kingston hyperX
3x500gb WD Caviar Black Sata2 3.0
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May 10, 2010
I recently installed Ubuntu and I am dual booting it with Windows 7. I showed it to my friend and he likes it. He wants me to dual boot his computer with Ubuntu, also.We were wondering if there was a way to configure GRUB and that stuff so that it doesn't go to the GRUB boot screen when you start your computer where you pick an OS. We were wondering if you could set a default OS that the computer automatically booted to, unless you press a button at startup, and then you could get to GRUB to pick a different OS.
The reason being is because his whole family uses the computer, and we don't want to confuse them with GRUB every time they start up the computer. We just want the computer to boot to Win7 by default, but being able to boot into Ubuntu if you press a button to get to GRUB when booting.
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Jul 2, 2011
I bought my wife an HP Mini [URL].. and want to get Ubuntu Netbook running on it. It comes with Windows 7 Starter, which we want to retain because Netflix won't run with Linux (gives you some BS error about "your browser is compatible, but your OS isn't"). So, I'd like to dual boot.
My desktop right now runs Kubuntu, and then I can boot in XP using VirtualBox OSE. Owing to the fact that the netbook is down on power relative to my desktop, doesn't seem like a good idea on the netbook, hence dual boot. I've seen a lot of "help, I just screwed this up!" threads, and since HP wasn't kind enough to send along a disc with Windows 7 on it, I need to get this right the first time. So, I'm going to post what I'm planning to do, let me know if I'm going to mess this up. I've compiled the below looking through a bunch of previous threads.
1) Defrag Windows drive
2) Use Windows 7 software to shrink the Windows partition
2b) Do NOT create a new partition using Windows software, just keep it unallocated
3) Boot off of USB key with Ubuntu in it, select unallocated space for install
Questions:
1) When I boot the computer up, I should get a GRUB screen asking which OS I want to boot into, correct?
2) I'm downloading 11.04 right now...anything to watch out for?
3) I couldn't find an install file for Ubuntu Netbook, do I make that selection during the install?
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Sep 1, 2011
just spent hours trying to set up a dual boot with windows 7 and ubuntu. i now have both installed, however, i dont know how to load ubuntu. it automatically loads windows 7 on boot.
p.s both 64 bit if that matters.
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Oct 13, 2010
I have Maverick on Macbook Pro 7,1. Today I installed updates and restarted. When I select Linux in rEFIt, it shows penguin for a while and then black screen with blinking cursor, no grub. What can I do?
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Feb 18, 2010
I just bought a Dell 537s machine and configured it for dual boot of Windows 7 and Kubuntu 9.10. On my old dual boot machine I had the Windows System and the Linux System on different disk partitions. That way I could write fstab in such a way as to make the Windows System read-only as seen from Linux, so Linux couldn't mess up any Windows System files (and since Windows can't read ext3, Windows couldn't mess up the Linux System).
But the new machine came with Windows 7 installed and gobbling up 3 primary partitions. Kubuntu installed itself in such a way that Linux can read/write to the Windows System. This makes me nervous that Kubuntu might be able to mess up Windows 7.
Is there any way to make specific Windows 7 directories/files unwriteable as seen from Linux without altering their behavior in Windows 7?
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