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Thread: [Boot-Repair] Graphical tool to repair the PC boot in one click

  1. #1731
    Join Date
    Jan 2014
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    2

    Re: [Boot-Repair] Graphical tool to repair the PC boot in one click

    Hi.
    First of all a thank you to the developers of Boot-Repair.
    I was running Ubuntu12.04LTS on a laptop setup with Vista dual boot.
    Then I played with another Linux version and managed to trash the U12.04LTS partition.
    At boot up I only got the Grub Rescue prompt.
    The Linux file system was gone/damaged.
    The Vista file system still looked like it was there (sda2).
    I was forced to use GParted on U13.10 Live CD to delete the Linux partitions (both sda5 and sda6 for U12.04LTS and linux-swap).
    It looks like the Vista partition is still recognized OK.
    I had to do a manual install of U13.04 (automatic would not work)
    I created a new partition for U13.04 (sda3) and Linux-swap (sda4)
    Installation looked like it completed successfully.
    However, after reboot, I still got the Grub Rescue prompt.
    Now the correct file systems were recognized with the 'ls" commands.
    Then I ran standard Boot-Repair from Live USB.
    This fixed the Grub and I can now boot the U13.04 correctly.
    In the Grub menu, also the Vista option is shown.
    However, selecting that option just cycle back to restarts Grub and does not boot Vista.

    I used the standard Boot-Repair and I saw MBR and Windows boot options in the advanced menus, but I did not touch them, following advice on the Boot-Repair webpages to first consult this forum/thread.

    Can somebody advice how I fix the Grub, such that I can also boot Vista from the Grub menu ?
    (I am not sure if the Vista installation actually still works, as I have not been able to boot it yet. I have not yet used the VIsta recovery CDs )

    Kind Regards
    HVW
    Last edited by bestbidder1; January 15th, 2014 at 11:07 PM.

  2. #1732
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
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    Ubuntu 14.04 Trusty Tahr

    Re: [Boot-Repair] Graphical tool to repair the PC boot in one click

    @bestbidder1
    Boot-Repair can only do minor fixes to Windows and grub only boots working Windows.
    How did you resize Vista? Best to have used Windows disk manager and reboot Windows before install.
    Windows always requires a chkdsk to make repairs to its new size.

    You need to run Windows repairs from a Windows repairCD or Flash drive. Often just chkdsk which may need to be run more than once, or until no errors.
    Make your own Windows repairCD (not vendor recovery):
    http://forums.techarena.in/guides-tutorials/1114725.htm
    Windows users only - Silverlight
    http://windows.microsoft.com/en-GB/w...em-repair-disc

    Windows 7 repair USB, Also Vista if service pack installed
    http://www.intowindows.com/how-to-re...tion-dvd-disc/
    http://www.webupd8.org/2010/10/creat...usb-drive.html


    You will need to boot with your Vista/Windows 7 installation disk or repair disk. Hit Enter at the language selection prompt then hit "R" to get to the repair section. You can then select the automatic boot repair tool, but it often will not do any good. Then select the command prompt (console) and type in the following commands:
    # is comment do not copy or type comments
    BootRec.exe /fixMBR #updates MBR master boot record do not run if you still want grub
    chkdsk C: /r #(have to run /r or /f as separate entries) rerun until no errors
    BootRec.exe /FixBoot #updates PBR partition boot sector or see bootsect.exe commands
    chkdsk c: /r
    BootRec.exe /ScanOs
    BootRec.exe /RebuildBcd
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  3. #1733
    Join Date
    Jan 2014
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    2

    Re: [Boot-Repair] Graphical tool to repair the PC boot in one click

    @oldfred
    The disk was repartitioned probably 2 years ago when I put U12.04LTS on it. It has been running fine.
    I did not repartition or resize the Vista partition since then.
    In my actions over the past few days, I did not touch the Vista partition (sda2).
    The play with the other Linux version (Live USB) for sure messed up the U12.04LTS partition (sda5), but I cannot determine if the Vista partition got damaged.
    Viewing sda2 with a file browser, it looks like everything is still there.
    If I run these FixMBR and FixBoot commands as you suggest above, will that affect my fresh U13.10 installation ?

  4. #1734
    Join Date
    Jun 2009
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    Chicago Suburbs
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    Ubuntu 14.04 Trusty Tahr

    Re: [Boot-Repair] Graphical tool to repair the PC boot in one click

    The fixMBR command with Windows restores the Windows boot loader to the MBR. You then have to restore grub to dual boot. The fixBoot command restores the PBR or partition boot sector where Windows has some vital boot info.
    Try chkdsk from Windows repairCD first and run until no errors.

    If Vista has not changed otherwise it just is normal corruption that occurs. Did you have an abnormal shutdown, power failure etc. Then chkdsk usually fixes it unless hard drive is damaged and it only is sectors where Windows is. What does Disks (or Disk Utility) and Smart Status show about drive. It has tons of detail but all I know is passed or green is good.
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  5. #1735
    Join Date
    Jan 2014
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    1

    Re: [Boot-Repair] Graphical tool to repair the PC boot in one click

    Hi,

    I just had Windows 7 installed by our IT department on the same computer where I allready had Ubuntu 13.10 installed (2 different hard drives). Now the Grub loader has disappeared, and I cant boot Ubuntu. I tried running Boot-Repair with the recommended settings, but it didn't seem to help. Here is my BootInfo URL:

    http://paste.ubuntu.com/6762519/

    Maybe I am still booting from the wrong area, and that some BIOS settings needs to be changed?

    Regards

  6. #1736
    Join Date
    Oct 2012
    Beans
    9

    Re: [Boot-Repair] Graphical tool to repair the PC boot in one click

    I want to install ubuntu 13.01 to my machine which already has windows 7 on it. While installing ubuntu, I didn't see the 'install ubuntu along side windows'. The windows system cannot be recognized. I know this is not a new issue. I tried many methods, including Boot-Repair. The problem still cannot be fixed. Cound anyone help me on this? My Boot-info summary generated from boot-repair is http://paste.ubuntu.com/6759383/

  7. #1737
    Join Date
    Jun 2009
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    Chicago Suburbs
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    Ubuntu 14.04 Trusty Tahr

    Re: [Boot-Repair] Graphical tool to repair the PC boot in one click

    @yuanhangliu1
    GUID Partition Table detected, but does not seem to be used.
    Was system originally Windows 8 with UEFI booting and gpt partitioning. Installing Windows 7 in BIOS boot with MBR(msdos) partitioning does not correctly erase backup gpt partition table. Windows seems to ignore it, but all Linux tools see both MBR & gpt and get confused on what you want or have.


    FixParts is the easiest way to remove the stray GPT data. GPT fdisk (gdisk or sgdisk) can do it, but the procedure's a bit more involved.
    http://www.rodsbooks.com/fixparts/


    @oyviba
    Your sdb drive is now showing errors and not really seen? No partitions are shown to allow fixes to partitions.

    Invalid MBR Signature found.
    Error: /dev/sdb: unrecognised disk label
    Was your install in sdb a standard install? Or did you use LVM, encryption, have RAID, UEFI boot or some other special drive configuration.
    You eventually want grub installed to sdb and set BIOS to boot from the drive that is sdb.
    Does test disk show old partitions?
    http://www.cgsecurity.org/wiki/TestDisk_Step_By_Step
    http://www.cgsecurity.org/wiki/Menu_Analyse

    Note that script dumped hex for several sda partitions. The very last 00 55 aa like in line 281. The same shoudl be true of your MBR in sdb, but that 00 55 aa may be missing??
    Post this and see if it ends with the 00 55 aa.
    sudo hexdump -n512 -C /dev/sdb
    Last edited by oldfred; January 16th, 2014 at 06:54 PM.
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  8. #1738
    Join Date
    Jan 2014
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    5

    Re: [Boot-Repair] Graphical tool to repair the PC boot in one click

    Hi,

    I'm experiencing a problem with dual booting Windows Vista and Ubuntu 12.04 on my netbook. Initially, I had my dual boot set up and working fine. At one point, I accidentally selected Windows Recovery Mode instead of Windows from the GRUB2 screen. I exited recovery mode without doing anything. However, upon startup, I saw the "grub rescue" prompt instead of the normal GRUB2 screen - presumably booting into Windows Recovery Mode somehow messed up my boot record. I made a LiveUSB and performed the fix described here: http://ubuntuforums.org/showthread.php?t=1669543. This allowed me to boot, but now GRUB2 is gone entirely and my computer boots directly into Windows. I ran Boot-Repair and nothing changed. The paste output is at http://paste.ubuntu.com/6764057/. How should I proceed?

    Thanks!

  9. #1739
    Join Date
    Jun 2009
    Location
    Chicago Suburbs
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    Ubuntu 14.04 Trusty Tahr

    Re: [Boot-Repair] Graphical tool to repair the PC boot in one click

    @Joseph_Hui
    Your error is common with the Windows recovery. Testdisk should let you recover all of it. Then rerun Boot-Repair.
    It seems to have written a new partition table, leaving out the Linux partition that was in the extended partition. You still have extended partition and swap, but now have space before swap in extended partition where your Linux partition was.

    http://www.cgsecurity.org/wiki/TestDisk_Step_By_Step
    http://www.cgsecurity.org/wiki/Menu_Analyse


    If you repartitioned several times, it may show several versions. You want to undelete the one Linux partition that is the largest that is in the extended partition. But testdisk uses CHS, cylinders, heads, sectors not just sectors.
    See lines 70 & 71 in bootinfo report and you want Linux in that space.
    For info on UEFI boot install & repair - Updated Mar 2015:
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to close thread when/if answered completely.







  10. #1740
    Join Date
    Jan 2014
    Beans
    5

    Re: [Boot-Repair] Graphical tool to repair the PC boot in one click

    @oldfred

    I see. I ran the TestDisk program and it found the same partitions as Boot-Repair: Windows Recovery (primary), NTFS (primary bootable), NTFS (primary), extended (extended), and Linux swap (logical). By "undelete", do you mean that I should change the Linux partition from extended to primary bootable - so the partitions would go from (primary, bootable, primary, extended, logical) to (primary, primary, primary, bootable, logical)?

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