Software :: Triple Boot System Cannot Find Grub
Oct 22, 2010
Triple-boot system can't find grub/defaults/grub file. Debian lenny on hda2, winsxp hda3, ubuntu10.10 hdb2. All 3 accessible(working). I had to reinstall all Oses, winsxp 2nd after installing Ubuntu this time Grub2 detected and has each os running. I've so far looked at the Debian grubmenu.lst which shows that winsxp is listed but not Ubuntu even though I can boot Ubuntu. I'm sure that grub2 is in control because at boot it shows grub 1.98 also the os selection looks like the 1 in grub2
I examined my partitions using gparted it shows that winsxp is labeled as boot lba. That was sda3.
1. There's grub legacy in debian, ? in winsxp, grub2 in Ubuntu. where did grub2 go? It's menu is not in debian.
2. How do I find it or should I just change the grub that is within Debian to Grub2 & make it the system default and it's at the beginning of the system.
At the time of Ubuntu installation I didn't have access to Debian, due to wins install. So wins partition had boot flag.
3. Is there a way to enable grub legacy and add Ubuntu entries to it?
4. Is it as easy as changing the boot flags to Grub in Debian partition at beginning of hda?
5. Why can't I see default grub file on this installation of Ubuntu?
On this 1 as well as the other I have root login and can't see it.
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May 10, 2011
I'm currently on a work trip with my Asus G72GX laptop for non-work use (I'm posting from my work laptop). Yesterday, I accidentally booted into my laptop's recovery partition (from the Grub2 bootloader). Before I realized that that's what was happening, it booted into some kind of recovery program which ended up in an error. I restarted the laptop and couldn't get into the bootloader anymore. Now, the only thing that comes up is an error -- "error: unknown filesystem." Below that, it gives me the "grub rescue>" prompt. Most of the commands that sites list for grub rescue only return "Unknown command". ls works and lists all of my partitions: (hd0), (hd0,msdos, (hd0,msdos7), etc. down to msdos1. When I "ls (hd0,msdos" (etc, etc) it says "error: unknown filesystem."
I then started looking into booting from a Live Ubuntu USB drive. I've tried 11.04 and 10.04 now and they both do the same thing. I put them on an 8GB flash drive (only 1 at any given time) using Universal USB Installer and was able to get to the Ubuntu menu (Run Ubuntu from this USB, Install Ubuntu on a Hard Disk, etc.) If I try either "Run Ubuntu" or "Install Ubuntu", the screen flickers and comes right back to that menu.BTW, my 3 operating systems are: Windows 7 HP 64-bit, Mythbuntu 10.10 64-bit, and Windows XP 32-bit. Laptop hardware: Core 2 Duo P8700 2.53GHz, 6GB RAM, Nvidia 8800 GTX video card.
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Mar 11, 2010
I'm brand new to Fedora. I ran the live cd and installed Fedora. I then installed OpenSUSE and Mint. When Mint formated the hard drive, Fedora wasn't in the graphic, even though sda1 was ext4 and sda3 was lvm2. When Mint rebotted, Mint and OpenSUSE were on the menu, but Fedora wasn't.
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Sep 11, 2010
I have (only bc i have to) windows vista, also Ubuntu 10.04 on the same drive, and dual-booting is no issue at all. But after I installed Mandriva 2010 to try to triple boot, i couldn't find Ubuntu anymore so I got rid of mandriva, and grub was messed up bc I deleted all mandriva partitions. So then I installed Xubuntu 9.10 (because it is a quick install) to recover grub, and with Xubuntu, Ubuntu, and vista, Grub sees all three OSes no problem. So what would I have to do to make Grub work this way when I install Mandriva?
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Dec 26, 2010
I recently bought a netbook on which Windows 7 Start Edition was installed. I partitioned the disk to install 2 other linux distributions : Backtrack 4 and Debian Lenny. Here is my partition scheme :
Disk /dev/sdb: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xc6a9bf3e
[Code]...
Partition table entries are not in disk order During both of the installs, I chose to install Grub. Unfortunately, when I start my netbook, it launches Windows 7 automatically and I do not see grub...
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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 17, 2010
I think I've got myself into a bit of a situation. I've got 3 operating systems across 2 hard drives, and i need to get them loading properly.
I have my primary ubuntu 8.10 install @
/dev/sda1
I have a new Windows XP install @
/dev/sdb2
And I have a new install of Ubuntu 9.10 @
/dev/sdb3
I'd like to be able to selectively boot into all 3 until I can return my current 8.10 install. Can someone show me how to get my /boot/grub/menu.lst file in order?
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Jul 31, 2010
I currently dual-boot XP and Debian sid. I currently have XP on /dev/sda1, sid on /dev/sda2 with /home mounted separately on /dev/sa3, swap is /dev/sda4. I have free space in both sa3 and 4, mostly in 4, of course. What I'd like to do is add a third partition, either with or without a separate home mount, but have my current grub2 still be the bootloader. I'm thinking I'll give a total of 33 G to it (I keep almost nothing on my hard drive, it's all on the cloud). I want to install Kubuntu and try it out, I've burnt the Live CD and it's very cool.
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Sep 23, 2010
I mucked things up a bit--
1) I had only windows on my drive.
2) Using 10.04 on USB, I made a 10gb ext3 partition and a 1gb swap area and installed 10.04. No problems at all using grub2, and the GUI is nice for dummies like me.
3) I got antsy so I made an 8gb partition and installed 8.04 on it. It automatically installed grub (the old grub).
Now when I boot my machine the Old Grub loads, not Grub2. I can select 8.04, 10.04, or XP no problem. When I select 10.04 and use the GUI I can see 10.04, 8.04, and XP, but things are in a different order (clearly the grub2 order).
Questions:
1) How can I get grub2 to take over booting? (I like the GUI)
2) I'd like to install puppy linux too, but I'm afraid of really screwing things up. Can someone recommend a safe way of installing it (besides just running from a USB- I've had mixed luck using USB OS's over long timeframes).
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Apr 10, 2010
I learn from a BSD magazine and installed PCBSD on my Dell notebok a single harddisk with a hope to have a triple boot. I have all the three OS, but could not find the menu.lst from /boot/grub/.... All I can find is a grub.cfg which is not editable. Someone from this forum said that menu.lst = grub.cfg.
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May 25, 2010
i am using windows7 and ubuntu 10.04 in my system and dual booting... now i wanna install fedora 13 along with it ans make it triple boot... so can one pls help me in this process as i havent installed fedora before and i wanna be safe and dont want to loose my Grub or windows bootloader in this process
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Jun 8, 2010
I need some help creating a triple boot system, I have already installed XP and W7, now I am installing Fedora 12 (this is for work so unfortunately it has to be like that). Now the problem is that I want it to show all the partitions in GRUB. Right now it works by going to GRUB first, when selecting Windows it jumps to the Win7 boot manager.
I tried to have them all in one but it seems like the addresses I used in GRUB did not work cause it keeps directing me to the Win7 BM. BTW I am using a single drive with 3 different logical partitions.
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Mar 14, 2010
I recently installed ubuntu onto a pc running MS vista. Then I somehow managed to install a second instance of ubuntu. Both of these were on the (drive e Then because of HDD problems, I had to reformat my original drive with MS Vista (drive C). Because of installation problems with ms vista - I ended up installing it onto the drive e: also. But now I can no longer load ubuntu because the "GRUB" loader is missing. So my questions are:
1: How can I restore the "GRUB" loader? So I can access ubuntu again
2: How can I remove/uninstall the second ubuntu installation?
3: Is it possible to have a triple boot system with ms vista / ubuntu 32-bit / ubuntu 64-bit?
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Jun 14, 2010
best/simplest way to back up my triple-boot machine, which has Karmic 32-bit, Karmic 64-bit and Windows 7 (64-bit) installed on 3 equal slices of the internal 1TB disk. There are a total of 6 partitions (1 primary+1 logical partition each for the two Karmic, and 2 primary partitions for Win7), and I would like to back it up on an external disk such that the whole system can be restored as-is by writing over the disk. I guess this means correctly backing up data+partition table+MBR, and I would also prefer backing up only the used portion of the disk (rather than creating a 1TB mostly empty image file).
To my knowledge the only way to reliably do this is with "dd" command, but I have never used it ("fsarchiver" seems to be the next best option, but it cannot back up MBR yet; and "partimage" does not have ext4 support). As described here and here, I should run the following commands from a live boot:
1) To back up entire data in compressed format (using 1MB read block to speed up the process):
dd if=/dev/sda bs=1MB | gzip > /backup/image.gz
2) To back up MBR+partition table (stored within the first 512 bytes of the disk):
dd if=/dev/sda bs=512 count=1 of=/backup/image.mbr
3) To restore data:
gzip -dc /backup/image.gz | dd of=/dev/sda
4) To restore MBR+partition table:
dd if=/backup/image.mbr of=/dev/sda
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Sep 20, 2010
I have an MSI U100 netbook triple booting between Win XP, Ubuntu 9.04 and OSX. Grub is used as boot loader. I want to upgrade my ubuntu install but I am a bit scared that grub will be messed up.
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Oct 28, 2010
'rolling' release as redoing install /upgrade every 6 months is getting 'old' My machine is triple boot
Hard drive is 320 GB
Windows 7 - 167 GB
Ubuntu - Maverick - 73 GB
Ubuntu - Natty - testing version - 65 GB
I do not want to screw up my 'grub' as it's been trashed a couple of times recently and had to re-install everything, which went great with install setting up partitions. I am not sure where 'grub' is installed to. I did install Windows 7 first then let installer split hard drive in half to put Ubuntu on then while installing my second Ubuntu, I let installer split the Ubuntu partition in half, hence the 167 GB Windows and the 2 smaller partitions for Ubuntu.I was thinking to maybe let Debian install over my Maverick install. Would that work and not mess up my Grub and cause me to not be able to boot and have to fix the drama?
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Sep 19, 2010
I have a Mac Mini with OS X that I had dual booted successfully with Windows XP for my family. I am a rookie at all this but learned a lot Googling sites that walked me through things. I got bold and tried to triple boot the Mac Mini with Ubuntu 10.04 using rEfIt. I was following this website. [URL].
MISTAKE #1
All was done to the letter until I accidentally realized I had clicked install on step 8 before I clicked "Advanced" to check off the "Install Boot Loader" and changing the device to the partition I had made for Ubuntu (/dev/sda3/). It finished installing and rebooted with the rEFIt screen with Mac / Ubuntu /Windows icons. Mac started, but both Windows and Ubuntu showed a black screen with blinking underscore in the top left of the screen. I went back to the Mac OS and in Disk Utility I noticed that the Linux-Ubuntu name on the partition I had made changed to "DiskOS3".
Mistake #2
I panicked and used "Erase" in Disk Utility on that partition using the Zero Out Data security Erase option.
Mistake #3
Then I reinstalled the Ubuntu 10.04 cd into the drive and did the install boot loader steps. It started up but the rEFIt screen now has Mac/ two Ubuntu penguins/ and Windows icons. Mac starts and works, but both ubuntu icons and Windows leads to the black screen with blincking underscore cursor.
Here are specs and data for hard drive below:
Hardware Overview:
Model Name: Mac Mini
Model Identifier: Mac Mini3,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 3 MB
Memory: 2 GB
Bus Speed: 1.07 GHz
Boot ROM Version: MM31.0081.B06
SMC Version (system): 1.35f0 .....
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Apr 27, 2010
I currently use my PC for work, music [I'm a DJ by profession], and gaming. It's got good specs and I've recently gotten a 500GB hard drive for it. I've installed Ubuntu 10.04 [using the 9.10 CD and running update-manager --devel-release]. However, in my infinite foresight, I installed Ubuntu to take up the whole drive, /home and all. I've only used about 80GB of space in /home so backing it up to start off a triple boot shouldn't be a problem.
Currently, my partitioning is /dev/sda1 at 494GB [ext3, mounted as /], /dev/sda2 is a 6.2GB extended partition, and /dev/sda5 is a 6.2GB swap partition. Basically, I need to do the following things, but don't know the least hacky way around it.
1) Repartition to make the Ubuntu's root filesystem take up ~40GB of space
2) Probably have the swap partition immediately after / (is the other extended partition even necessary?)
3) Install Windows 7 to use for gaming in a 60GB partition
4) Windows XP to use for music production in another 60GB part
5) Have the rest of the space on the hard drive formatted as NTFS & used for documents for Windows 7 (as D:), Windows XP (also as D:), and Ubuntu (used as /home/saxon).
Any pointers? I've searched around but I couldn't find anyone else with my exact problem - most people have Windows installed first and only want a dual boot. I'm fairly comfortable with the shell so I'm not too bothered about using Term either. Sorry if I've worded this awfully or seemed like a bit of an idiot
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Feb 24, 2009
I've set up a triple boot xp, vista, and fedora 10. The problem is that I want to remove Fedora grub, so the bios can give me all 3 choices to boot from, be it xp, vista or fedora. At the moment fedora grub boots, from there i am able to choose other operating systems. But I want to use windows boot loader, from there i would like to have windows give me the choice of different OS's to boot from.
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Jun 5, 2009
I've got myself the curious situation where, when I boot the system, I can get grub to start, but it always drops to the prompt.
I can run:configfile /grub/menu.lst
and this brings up the menu with no problems, and from there I can boot the system to either linux or windows. What I don't understand is why it wont go to the menu in the first place?As far as I can tell, grub/Kubuntu got confused when installing, as each of the hd#,# settings in the menu.lst have needed tweaking to let the system boot. (e.g. windows is actually hd0, but the original install had it at hd2. Likewise linux is on hd1, but the menu.lst had it at hd0). I've happily tweaked these to make the system boot, but would appreciate any help in convincing grub to actually load the menu without me having to use the prompt.
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Nov 1, 2010
I got ubuntu 10.04 lucid lynx along with windows (dual boot) and using Grub. On my computer, I have my C:/ (programs) and D:/ (data). I've never used my D:/ before that day that I've lost my windows partition on my grub menu. I usually use my D:/ with windows. The first time I used my D:/ to store data with linux, I lost my windows option in my grub menu. I'm not sure what I did wrong but I do want to restore my windows option in my grub menu.
After "fdisk -l",
I checked in /boot/grub and there is no menu.lst to modify. how I can get back my windows option in my grub menu ?
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Dec 16, 2010
I updated yesterday and now when I start my laptop it goes in to grub rescue mode. I have booted from a 'live cd' and thought I could repair grub from there. In gparted however the partition with ubuntu (sda1) is seen as unknown file system, in terminal when I list the partition table it shows up as FAT16 type. When I try a grub-install it gives this error message:
[Code]....
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Apr 17, 2010
I started another thread about this to get help booting into openSUSE after Fedora rewrote my bootloader and deleted all other entries. I managed to fix it but I never did find out why the following commands caused my system to boot to the grub shell instead of the grub menu.
Code:
grub
root (hd0,3)
setup (hd0)
quit
reboot
Can anyone explain to me why these commands caused my system to boot directly to a grub shell? It's as if there were no /boot/grub/menu.lst files for it to use, but after I got everything back to normal, the files were still there.
If it helps, this is how the drive was setup before and now, except Fedora was on /dev/sda4 and has since been deleted.
Code:
Device Boot Start End Blocks Id System
/dev/sda1 1 262 2104483+ 82 Linux swap / Solaris
/dev/sda2 263 13316 104856255 83 Linux
/dev/sda3 * 13317 14621 10482412+ 83 Linux
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Jan 28, 2011
I've installed Ubuntu on my new desktop alongside Windows 7 (each OS is on a separate drive), I seem to have run into a small problem. Let me start with what I did:
- Unplugged 1TB drive from the PSU, BIOS was not seeing my formatted (and thus empty) 500GB drive and I couldn't put it into the boot order at all with the 1TB turned on.
- Loaded up the boot CD and was able to install Ubuntu 10.1 on my 500GB drive.
- Did a bit of configuring, shut my PC off and plugged my 1TB (with Windows 7) drive back in. I tried to see if I could now see my Ubuntu drive in BIOS but nothing is there - just the Windows drive is in the list of available drives to boot from (along with DVD-ROM and USB).
This is where I've run into my problem. What I want is to have a nice GRUB boot menu at the start like any other dual-boot system but just have the two operating systems on separate drives altogether.I did it this way because I was having issues with the advanced partition menu on the boot CD so just went ahead and followed the KISS method by unplugging the Windows drive.
I was told by a friend that if I put my Ubuntu drive into the first position in my boot order and the Windows drive in the second, then I could boot into Ubuntu and run a GRUB update command (he told me to google it) and that would create the necessary GRUB that had the entries for Windows 7 and Ubuntu.Both operating systems are 64-bit, I imagine that might make a difference in whatever help you guys can offer me. I love the hell out of both OS's and want to be able to use them interchangeably.
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Jun 11, 2011
I'm a former Ubuntu user who jumped ship to Linux Mint. I currently am dual booting Windows 7 and Linux Mint 11 using Grub 2. Is there a way to install Fedora last? Much of the reading I have done suggests Fedora needs to be installed before Mint/Ubuntu. By the way, I have searched the forums and it has been suggested to wipe out Ubuntu, install Fedora and then re-install Ubuntu. I would much rather shrink the Windows partition and install Fedora before Mint and update Grub.
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Jan 5, 2010
I'm triple booting (windows, ubuntu and osx86) at the moment but in order to load OSX86, I need to pass "cpus=1" to the kernel otherwise it won't load and the PC just reboots. Can I pass this argument from grub or do I have to install osx to a separate hdd and get grub to load the Darwin bootloader on the second hdd and then pass the argument?
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Mar 25, 2010
I have Lenny, and Jaunty Jackaope installed on the same hdd. Jaunty Jackaope was installed 2nd so it has control of grub (I don't know if that is the correct expression) I want to remove Jaunty Jackalope however I know from past experience that after I do this I will no longer be able to boot into Lenny as I will get a grub error at startup. How to I give boot/grub to Lenny so that I can remove the other operating system?
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Dec 16, 2010
This is the third time I try unsuccessfully to install Debian as a second OS on a hard drive. When it gets to the end of the installation process the installer asks whether I want to go ahead with the Grub Boot Loader, I choose yes. The end result is however that I can't boot that partition within the hard drive -- i.e., Debian. Can someone tell me what is going on? Should I not use the Grub Boot Loader when I have more than one operating system on a machine? Should I not install Grub on the Master Boot Record (MBR)?
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Feb 5, 2010
I primarily need to remove several listings from my boot menu. After many updates and upgrades the list is HUGE.I know you can edit the grub menu.lst file, but I don't have one.
[Code]...
And, I did read the guide on removing entries from grub 2. The problem is, some of the kernels in the current grub menu are no longer in synaptic on this install. Currently I have WinXP, Ubuntu 8.10, and Ubuntu 9.10 installed. I want to leave 8.10 installed, but not have it available in the Grub menu. How can this be accomplished? Grub 2 seems quite obtuse compared to earlier versions where there was a simple menu file
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Feb 11, 2010
I will like to triple boot Ubuntu, XP and Windows 7, but I already had Ubuntu and XP running on separate HDDs, Ubuntu was installed first, then I installed XP on a separate HDD (with the Ubuntu HDD disconnected), now I did the same for Windows 7, I disconnected all other HDDs (Ubuntu, XP and Data)and installed windows 7 on a separate HDD.When I connected everything back(Ubuntu HDD, XP, Data HDDs and Windows 7 HDD, Windows 7 does not appear on grub boot menu and now Windows 7 does not boot up by it self.
Is there a way to simply add Windows 7 to Grub so I can have all 3 OS's on grub menu?Can grub search HDDs to look for OSs to add to the menu?Funny thing is the XP entry on grub appeared by it self, I've never edited grub to add XP on the booting menu, I was booting directly to XP by going into the BIOS and selecting the XP HDD as my booting drive instead of Ubuntu HDD, somehow XP was added to the grub booting menu.
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