Ubuntu Installation :: 10.04 Boot Loader Is Missing?
Jun 20, 2010
I recently upgraded to Ubuntu 10.04 and everything was working fine. Last week I was away from home and when I returned, my wife told me that she cannot boot in Ubuntu. We have used dual boot for Windows Vista and Ubuntu. Now only Windows was working. So I created a LiveCD from Ubuntu website and tried to boot.
I can boot using LiveCD. Then I tried to install grub. I forgot exact commands I found online, but something to do with /dev/hda1) and now everything is messed up. It does not show boot menu (to select OS) at all. It only shows grub> window. I believe that the OS on the computer is alright, just the boot option is gone. I do not know how to get back the grub.
When booting from LiveCD,df /boot shows filesystem as aufs (no idea what it is). If I go through File browser, I can see the windows files and my Ubuntu installation. So I believe OS is okay, just not the boot loader.
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Nov 12, 2010
I have just installed ubuntu with a USB key, I have Vista installed in drive C: and I created a partition (L: ) and installed Linux root (/ ) in that one.When there was the screen where I could choose the boot loader i left the default option instead of choosing Windows Vista Loaderand now I can't boot Vista anymore.
In grub i see a windows vista option, but that option brings me to a recovery partition and not to the real operative system. I know that vista is not broken because when I used wubi I was able to boot from the vista bootloader without any problems, but I never could boot vista from grub because it brought me to that recovery partition.I can access all my files on the disk from ubuntu, but I would like to be able to restore the vista boot loader and use again windows when I need it.Is there a way to restore vista's boot loader? I tried to do automatic startup repair from the vista recovery cd but it says that no problem could be found.
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Dec 22, 2010
I am a brand new Ubuntu user that just tried to install on an old PC using the 10.10 desktop edition.During installation, I hit an error that the bootloader could not install, and after reading about it on the forums, opted to attempt to install it manually after. I have followed the tutorial located here,[URL].. on reinstalling GRUB2 from the liveCD, which I assume means to boot with the installation CD and select try Ubuntu (given the only other option is install, which I have tried twice) everything up to step 5 in that tutorial seems to run successfully, and I am given a message it is installed, but then when I reboot the system it does not open the GRUB2 menu, rather the CLI interface, which suggests there is no grub.cfg
So I am unable to refresh at the GRUB menu because that command is not recognized by the CLI (and it may not help if I am missing files, so I might have screwed up reinstalling them in step 5, or maybe the "Try Ubuntu" terminal doesn't alter the computer like I thought?)
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Oct 18, 2010
I have a system with 2 hard drives. One drive (D) is my Ubuntu 10.04 system and the other drive (C) is my Windows XP system.
When I boot, I get BIOS then GRUB. If I choose the XP selection I am taken to a Boot Loader that now longer works. I get an error saying: "Windows could not start because the following file is missing. <windows root> system32hal.dll Please reinstall a copy of the above file.
Can I remove the boot loader and let Grub take me directly to the C:/windows? If so how?
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Jun 14, 2010
I installed ubuntu using wubi and then I tried installing grub 2 but it failed. I need a way to reinstall the mbr sp it will load the windows 7 loader from the first partition.
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Mar 23, 2010
I had a dual boot machine with fedora 12 and windows vista and I could use grub boot-loader to switch between two. Few days ago windows got corrupt and I have to reinstall it. I put windows 7 now and as usual it erased grub. So to reinstall I put the fedora 12 installation CD on and followed some usual setup steps. When I got the command line I issued the command "grub-install /dev/sda" (sda not hda because It showed bunch of sda, sda1..) but surprisingly it said grub command not found. I remember doing it before while it worked fine.
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Nov 8, 2010
I'm trying to dual boot Win7 and Ubuntu WITHOUT using Grub. This is to support Bitlocker encryption.
I followed this guide, and now when I select Ubuntu I get a Grub> prompt and no ubuntu.
I feel like I'm halfway there, I just need to get Grub to load correctly or something.
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Jul 28, 2010
I have 2 HDDs:
HDD 1 (sda) with Windows XP installed on sda1 and four more partions.
HDD 2 (sdb) with three NTFS-Partitions (sdb1, 5 and 6) and Ubuntu 10.04 (sdb7) + Swap-Partition (sdb8).
I would like to boot Ubuntu using the Windows XP boot loader, i.e., having an entry there to choose Ubuntu and start my installation of Ubuntu 10.04. I have installed Ubuntu 10.04 on sdb7 and told the installer to install the grub2 boot loader to /dev/sdb (should it have been /dev/sdb7?). When using the boot selection option of my bios and choosing the second HDD Ubuntu starts without problems.
I used dd if=/dev/sdb of=bootsect.lnx bs=512 count=1 to copy the mbr of my second HDD and copied the file bootsect.lnx to my c: drive. Then added C:ootsect.lnk = "Ubuntu Linux" to my Windows boot.ini. When rebooting my computer I get the option "Ubuntu Linux" in the XP boot loader. Choosing it I come to a black screen with a blinking white cursor. All I want to do is not use Grub 2 as my primary boot loader but instead leave my WinXP installation untouched and start Ubuntu from within WinXP boot loader. This has been working just fine with my old Ubuntu installation.
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Oct 23, 2009
I have XP, Win7 Pro and F 11 installed. Before I installed F 11, Win 7 boot mgr was working fine. I then installed F 11 and I went to System/Admin/bootloader to edit it and it wouldn't bring up the boot loader. In the attachment was the error msg. Now my only option when I boot up is F 11.
I do not have access to the Win 7 DVD only the F 11 install disk since I am on a fishing trip and need to use Win 7. How can I repair to the grub boot loader to boot into Win 7?
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Mar 18, 2010
I'm trying to install Fedora onto a computer that has Windows XP on the first of two SATA drives. Windows 7 is on the second drive.
I installed Fedora no problems on a 14 gig free space I created on the first drive and told it where and what my other OS's were. Fine so far. I didn't tell it to overwrite the MBR on the XP (first) drive. I took the second option which I "think" put the boot loader on the fedora partition.
All good - till I rebooted and I just saw my Windows 7 loader with my options for XP and Windows 7 but no Fedora.
So, if I overwrite the MBR on the first drive, will that mean I can't access my Windows 7 installation?
How SHOULD I set up the boot loader?
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Jan 7, 2010
I have my ubuntu removed but not the boot loader. How can I remove it ?
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Aug 3, 2010
I dual boot WinXP SP3 and Win 7 64bit.
C - win xp D - win7 E- data F - data
Today I installed Ubuntu to C or win xp partition.
I can access the other partitions but when restarting I cannot see the boot loader. It directly boots to Ubuntu. My Win7 partition is still there , but I cannot boot into it.
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Aug 20, 2010
I installed Ubuntu 10.04 first and OpenSolaris 2009.06 second. Ubuntu does not appear in OpenSolaris' boot-loader. How do I install Grub and have the boot list come up so that Ubuntu AND OpenSolaris appear and are operational and such?
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Aug 27, 2010
I had to un-install Ubuntu as there were too many things that didn't work. Bummer, I wanted to like it and use it.Anyway it has left me with a screen at boot-up that I must choose between Windows and Ubuntu, that counts down automatically about30 seconds and then finally boots into Windows as the default. How can I get rid of this screen and go back to booting up into Windows normally?
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Nov 3, 2010
I just installed Ubuntu, and I realised that the Default OS is Ubuntu however my family use this PC as well and by Default I want the system to boot in to windows vista, ubuntu is for my use only, how can I do this? Also my family are not that good with computers and it shows Windows Vista loader (sda3) that's a recovery partition! I don't want them to messing around with the bootloader.
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Nov 17, 2010
I've spent the better part of two days googling and trying out fixes. I've done quite a bit but still have the same issue.I want Ubuntu to be my secondary operating system. As such I'd like Ubuntu to be on the W7 bootloader, not W7 on Grub. This is, mainly, so that I can press power and not sit at the computer to manually select W7.I've tried EasyBCD, many times, but when I select both Grub (legacy) and Grub 2, add it, overwrite the MBR, and reboot, it wipes out the bootloader entirely, and Windows 7 boots up.
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Jan 19, 2011
I don't know if this is something that happens by default, or there is a problem somewhere.Here is the problem.A couple of days ago, I set-up my new system with a dual-boot set-up; Win7 and Ubuntu 10.10 64bit.Once I got everything up and running on both OS's (minus updates), everything was going smoothly. Well, most things were running smoothly on both OS's before and after updates.Ubuntu happily installed a boot-loader which provided a slightly confusing list of options.Here is the initial list and in this order;
Ubuntu, with Linux 2.6.35-22-generic
Ubuntu, with Linux 2.6.35-22-generic (recover mode)
memory test (memtest86+)
[code]....
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Mar 12, 2010
I am trying to dual-boot windows xp and ubuntu 8.04LTS from two separate hard drives, on a compaq d510 evo SFF. With research, the best way to do that seemed to be to upgrade to Grub 2 and all would be well...not so much. I installed each OS with the other hard drive removed, fyi. I believe that this tells me that I SHOULD be able to boot off either drive, if I could get Grub 2 to recognize...
Code:
steve@Stewie:~$ sudo fdisk -l
Disk /dev/sda: 40.0 GB, 40060403712 bytes
255 heads, 63 sectors/track, 4870 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xb788b788 .....
Code:
steve@Stewie:~$ sudo update-grub
Updating /boot/grub/grub.cfg ...
Found linux image: /boot/vmlinuz-2.6.24-27-generic
Found initrd image: /boot/initrd.img-2.6.24-27-generic
Found linux image: /boot/vmlinuz-2.6.24-26-generic
Found initrd image: /boot/initrd.img-2.6.24-26-generic
Found memtest86+ image: /boot/memtest86+.bin
done
I have also tried adding the proper code to the 40 custom file, and while I could at least get it to acknowledge my changes, I couldn't seem to find the magic code to get it right....
The other thing I tried was adding GRUB_DISABLE_OS_PROBER=false
to /etc/default/grub
and last but not least, here is my results.txt from the boot info script. I also tried uninstalling/reinstalling grub 2, perhaps I created issues there?
Code:
Boot Info Script 0.55 dated February 15th, 2010
Boot Info Summary:
=> No known boot loader is installed in the MBR of /dev/sda
=> Windows is installed in the MBR of /dev/sdb
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Mar 21, 2010
I have Windows 7 on my machine right now but want to dual boot with either Ubuntu or another Win OS.....is there a way to dual boot with ubuntu and keep my windows boot loader or do I need to have grub?
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Apr 17, 2010
I've just came across something rather strange. I've been having a problem with GRUB 2 and Windows as highlighted in this thread:[URL].. Often when I attempt to access my Windows partition from GRUB I will get the Windows failed to start error, but today I may have found something rather interesting that may help me solve my problem. Sorry if it looks like im double posting, but im asking something different.
Basically when Windows fails to boot it restarts and when I attempt to boot it again I usually get the Windows failed to start screen with the option to run Startup and Repair when I ran it earlier, I suddenly saw the Windows Vista Loading bar, which is rather impossible as im running Windows 7. But my laptop came pre-loaded with Windows Vista as well as a recovery partition with Windows Vista on it. I thought I'd removed them both completely but now seeing the Windows Vista Loading screen says otherwise. It looks like some part of the Vista loader remains and well could be the cause of my boot issues. So im wondering how can I go about fully removing the Windows Vista Boot loader?
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Jul 22, 2010
I am tying to add Ubuntu 10.04 desktop i386 to my Windows 7 PC. I do not want to mess with the Windows boot loader, so as the sentence from the guide at the bottom states, tried to put GRUB onto the newly created partition for Ubuntu. I could not because upon choosing the device (which turned out to /dev/sda5) , the "OK" button was disabled
"Manual" option was chosen above - on a second try, I chose "use all available free space" and Ubuntu created #5 and #6 on SCSI1 (0, 0, 0). The new device was /dev-sda-1, but again, Ubuntu would not put the boot loader on it.
"If you have a problem with changing the MBR code, you might prefer to just install the code for pointing to GRUB to the first sector of your Ubuntu partition instead."
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Aug 29, 2010
I have been installing 10.4 on machines with much success from USB. This is really the first Linux distro I have been excited about. I'm having problems on one machine though. It is a Dell Precision T5400 with a RAID 0 on Dell 6/iR Adapter controller. I booted to USB no problem, just like I did on my netbook, and laptop and did a pretty standard install. I'm dual booting to XP on this workstation. After the installer completed, I didn't see a grub menu. It's like nothing happened. Of course in Windows I see less drive space now since I had allocated that for Ubuntu in the Ubuntu setup. To clarify, I am not using Wubi.
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Oct 23, 2010
I installed Ubuntu 10.10 64 on a Compaq CQ60 laptop on a 60 gig partition with a 3 gig swap partition. I'm running windows 7 64bit ultimate on the main partition. I installed off a live disc and Ubuntu works and runs great(except for wifi >.<).
My problem is ever since I installed Ubuntu Windows wont load every time. About half the time I select Windows 7 in the boot loader and it pulls up the windows screen with the stupid little flag, and then resets itself.
There where no problems with Windows 7 prior to the install. I've read that if you didn't reset your computer after shrinking your drive in windows it will cause problems later. But I did that so I cant think of any other explanation for why it would continually crash. Has anybody else had this issue, is this something that might be repaired by removing Ubuntu and the partition and reinstalling it?
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Jan 21, 2011
I have installed Ubuntu 10.10 Minimal on a 2GB USB using CLI and it is working very well after I added a few things. I intend to use it on machines other than my own. But the GRUB boot loader was installed to the main system on my machine and it is booting from there.
During the installation it was said that the bootloader can be installed on a floppy. So I started a new 2 GB stick and tried to install the boot loader on a floppy but my computer does not recognize floppies anymore (seems to be a wider problem with recent distributions).
So I tried to install the bootloader on a different USB stick and and this also did not work. Cannot find recent and relatively easy way to install GRUB boot loader to a stick.
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Mar 31, 2011
I installed UEFI Ubuntu 10.10. Its grub2 version is 1.98. I want to upgrade it to 1.99.I try to use 'grub-install' and 'grub-setup' commands but I faild to upgrade the grub2.
And, when I add my ram to 4G, the system hangs and displays 'Not syncing: VFS: Unable to mount root fs on unknow-block(1,0)'
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Apr 8, 2011
I'm trying to install Ubuntu 10.04 (32-bit) on my external harddrive, and the boot loader also on my ext.HDDThe problem is, is that the boot loader won't install himself on my HDD. Is it possible to install the boat loader still on my external HDD?
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Jun 14, 2011
I installed Ubuntu 11.04 64-Bit via Wubi but it seems that when I turn on my machine I first get the Windows Boot Loader, when I select Ubuntu from the list it then goes into GRUB with the option to select Ubuntu or Windows. Is there any way to change this so only GRUB is used?
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Dec 2, 2009
I am unable to change the installation location for the boot loader when installing Fedora 12 in the graphical installation mode. The 'Change device' button does nothing when I click on it during installation. I'd like to install the boot loader on my /boot partition. Is there some kind of bug that is preventing me from doing this?I am trying to install from the Fedora 12 386 DVD.
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Jun 8, 2010
What I like is to install Fedora13,Win7,WinXp, and Musix. One HD 1.5TB Ilike on that is win7 and Fedora13,the other one with 400GB WinXP and Musix. What should I do so I can setup on GRUB. How can I set up like that.
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Dec 12, 2010
Brand new to Fedora. I installed F14, the 64 bit version today. Just wondering, during the install, there really wasn't a lot of options regarding which bootloader to use nor options (use a graphical or text mode).So... what bootloader did Fedora install on my system? Can I modify it? I'd like to get rid of that ugly blue-ish back ground among other things.
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