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Thread: GNU GRUB version 1.99~rc1-13 ubuntu3

  1. #1
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    Question GNU GRUB version 1.99~rc1-13 ubuntu3

    Hey Guys, I've recently got some new updates and installed them. I restarted my machine and now this comes up...

    Minimal BASH-like line editing is supported.
    For the first word, TAB lists possible command completions. Anywhere else TAB list possible device or file completions.

    grub>
    I've never had this come up before and I'm not sure what it is.

    Can anyone help?
    Think a Little, Change a Lot

  2. #2
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    Re: GNU GRUB version 1.99~rc1-13 ubuntu3

    you might need to install grub in your boot partition, if you have LiveCD it will work.
    try this
    https://help.ubuntu.com/community/Grub2

    This link below is complete reference kind

    http://ubuntuforums.org/showthread.php?t=1581099
    Last edited by FerroPower; September 28th, 2011 at 11:26 AM.
    Ubuntu 12.04 on Dell Inspiron 1545, 500GB, 4GB, Intel GM45 graphics.

  3. #3
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    Re: GNU GRUB version 1.99~rc1-13 ubuntu3

    Hi. The grub> prompt might indicate a missing grub.cfg file. That means you need to boot into ubuntu and run sudo update-grub.

    The Ubuntu Grub2 page that FerroPower gave a link to has a section on booting from the grub prompt. It's very easy.

    set root=(hdX,Y)
    linux /vmlinuz root=/dev/sdZY ro
    initrd /initrd.img
    boot


    Where X =0 for sda, X=1 for sdb, etc.
    Y = 1 for sdX1, Y=2 for sdX2, etc.
    Z = a for sda, Z=b for sdb, etc.

    If your drive is sda and Ubuntu's root partition is sda1
    set root=(hd0,1)
    linux /vmlinuz root=/dev/sda1 ro
    initrd /initrd.img
    boot
    ASRock P67 Extreme6, Intel i5 2500K, 8GB RAM, nVidia 6600GT, 4x1TB RAID1+0

  4. #4
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    Re: GNU GRUB version 1.99~rc1-13 ubuntu3

    Thanks for your responses,

    How do I get into Ubuntu to update the grub, if I can't get in?
    Think a Little, Change a Lot

  5. #5
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    Re: GNU GRUB version 1.99~rc1-13 ubuntu3

    sudo dpkg-reconfigure grub-pc

  6. #6
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    Re: GNU GRUB version 1.99~rc1-13 ubuntu3

    Did you try to use YesWeCan's method of booting from the grub prompt?

    If you can't into Ubuntu at all, you can boot a LiveCD and use the 'chroot' method of updating grub. The process involves mounting your Ubuntu partition and installing certain system files. You then 'chroot' and the commands you run affect the real installation rather than the LiveCD.

    You can click on the "Chroot" link in my signature line to see how to chroot if you need to use this process. The thread describes how to completely purge/reinstall grub, but if you only need to update grub you wouldn't purge/reinstall - once you chroot you would only run "update-grub". You could also run dino99's command if necessary.
    GRUB2

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  7. #7
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    Re: GNU GRUB version 1.99~rc1-13 ubuntu3

    The only CD I have is the installation CD, just had the software on it. I've tried typing boot, no kernal. I've tried holding shift and nothing works.

    I don't even know what GRUB is haha. This has never come up before
    Think a Little, Change a Lot

  8. #8
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    Re: GNU GRUB version 1.99~rc1-13 ubuntu3

    The installation CD is the LiveCD. You can select "Try Ubuntu" to boot to the Ubuntu desktop, where you can access the Internet, explore your drive, and run scripts.

    It might be best to run the Boot Info Script and post the contents of RESULTS.txt It will show us the status of your boot files. You can download the script from the "BIS" link in my signature line.

    Otherwise, the "Chroot" link will detail how to completely remove and reinstall Grub from the LiveCD (installation CD). I've also written a "Grub Rescue" megathread which helps to boot the system from the Grub command prompt.
    http://ubuntuforums.org/showthread.php?t=1594052
    GRUB2

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  9. #9
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    Re: GNU GRUB version 1.99~rc1-13 ubuntu3

    Something should be done about this grub errors everyone gets them(every user gets the similar error)

    Why cannot grub search for bootable disks and show them in list for selection even if some config file is missing ?

    I know a beginner like me would love to explore and configure the grub everytime such error boots up, but its time grub developers do something about it so that new users don't get scared to death everytime such screen pops up.(grub error are very similar to Blue Screen of Death in windows OS)

    instead of showing some stupid grub> prompt it should automatically ask if the user want to update-grub or select the default OS from the list.
    Last edited by FerroPower; October 1st, 2011 at 07:50 PM.
    Ubuntu 12.04 on Dell Inspiron 1545, 500GB, 4GB, Intel GM45 graphics.

  10. #10
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    Re: GNU GRUB version 1.99~rc1-13 ubuntu3

    I tried running sudo update-ubuntu and I get "/usr/sbin/grub-probe: error: cannot stat 'aufa'

    I've ran the Boot Info Script and this is what I got...

    Boot Info Script 0.60 from 17 May 2011


    ============================= Boot Info Summary: ===============================

    => Windows is installed in the MBR of /dev/sda.

    sda1: __________________________________________________ ________________________

    File system: vfat
    Boot sector type: Dell Utility: FAT16
    Boot sector info: No errors found in the Boot Parameter Block.
    Operating System:
    Boot files: /DELLBIO.BIN /DELLRMK.BIN /COMMAND.COM

    sda2: __________________________________________________ ________________________

    File system: ntfs
    Boot sector type: Windows XP
    Boot sector info: No errors found in the Boot Parameter Block.
    Operating System: Windows XP
    Boot files: /boot.ini /ntldr /NTDETECT.COM /wubildr
    /ubuntu/winboot/wubildr /wubildr.mbr
    /ubuntu/winboot/wubildr.mbr /ubuntu/disks/swap.disk

    ============================ Drive/Partition Info: =============================

    Drive: sda __________________________________________________ ___________________

    Disk /dev/sda: 120.0 GB, 120034123776 bytes
    255 heads, 63 sectors/track, 14593 cylinders, total 234441648 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes

    Partition Boot Start Sector End Sector # of Sectors Id System

    /dev/sda1 63 240,974 240,912 de Dell Utility
    /dev/sda2 * 240,975 234,436,544 234,195,570 7 NTFS / exFAT / HPFS


    "blkid" output: __________________________________________________ ______________

    Device UUID TYPE LABEL

    /dev/loop0 squashfs
    /dev/sda1 07D8-0405 vfat DellUtility
    /dev/sda2 643C40263C3FF222 ntfs

    ================================ Mount points: =================================

    Device Mount_Point Type Options

    /dev/loop0 /rofs squashfs (ro,noatime)
    /dev/sr0 /cdrom iso9660 (ro,noatime)


    ================================ sda2/boot.ini: ================================

    --------------------------------------------------------------------------------
    [boot loader]
    timeout=15
    default=multi(0)disk(0)rdisk(0)partition(2)\WINDOW S
    [operating systems]
    multi(0)disk(0)rdisk(0)partition(2)\WINDOWS="Micro soft Windows XP Professional" /noexecute=optin /fastdetect
    C:\wubildr.mbr = "Ubuntu"
    --------------------------------------------------------------------------------
    Last edited by Brooksy_FC; October 3rd, 2011 at 11:08 AM.
    Think a Little, Change a Lot

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