BOOTMGR is missing//using LILO


  1. Posts : 56
    Windows 7 Home Premium x64
       #1

    BOOTMGR is missing//using LILO


    Hey there,

    I have a rather complicated problem with a probably simple solution. I used to have a tri-boot machine - my first primary partition was WinXP Pro, second was a Xubuntu installation with swap on an extended partition, and finally a Win7 Pro primary partition.

    I deleted WinXP Pro and Xubuntu to create my very first Gentoo Linux installation. While that went well, I accidentally broke my Win7 startup. It's listed just fine under LILO (unless I listed it improperly) but Win7's BOOTMGR is now missing. I'm assuming the BOOTMGR might have been part of the WinXP installation.

    I went to this guide: Bootmgr is missing - Fix

    However, I don't want to replace the MBR. I just want to reinstall the BOOTMGR onto the Win7 Pro partition so I can boot both Gentoo and Win7 properly. Of course, I might be misinterpreting where the BOOTMGR is normally located.

    Any suggestions?

    Thanks much,
    --Red
    Last edited by Redmage913; 09 May 2011 at 10:17. Reason: clarification
      My Computer


  2. Posts : 2,298
    Windows 7 Professional x64 SP1 ; Windows Server 2012 R2 Standard
       #2

    First of all you are going to need to Create a System repair disk or you can use your Windows 7 Installation Disk

    System Repair Disc - Create

    First thing is to Boot into the Disk

       Note
    You will need to make sure your BIOS is set to Boot from CD/DVD


    After that Access to the System Recovery options

    Please follow Option 2

    System Recovery Options

    Now you open up a command Prompt Window then enter the Following commands:

    Code:
    bootrec.exe /Fixboot
    Press enter and then Enter this

    Code:
    bootrec.exe /Fixmbr
    Press Enter

    Now restart your Computer and see if you can boot into Windows 7

       Tip
    Plug in your AC Power cord if you are using a Laptop


    Hope This Helps,
    Josh
      My Computer


  3. Posts : 56
    Windows 7 Home Premium x64
    Thread Starter
       #3

    Before I do this, won't that break LILO?
      My Computer


  4. Posts : 2,298
    Windows 7 Professional x64 SP1 ; Windows Server 2012 R2 Standard
       #4

    Most likely but since this is a Windows 7 Forum my main concern is getting your Windows 7 Partition working ... I am not a Linux expert so you may want to ask a Question about it on another forum

    Josh
      My Computer


  5. Posts : 1,030
    Linux Mint / XP / Win7 Home, Pro, Ultimate / Win8.1 / Win10
       #5

    I have a simple question: why not buy a second hard drive (use one for Linux and one for Windows) then boot via the BIOS boot manager? This is the easiest and safest method I've found.

    Anyway, back to your question. So, XP is gone forever and the partition(s) reallocated somewhere else, correct? Also, you removed a previous distro of Linux, correct?

    Now then, you originall had followed this installation order: XP installed > Linux installed > Win7 installed.

    What boot manager did you use then, Win7, GRUB or LILO?

    You asked if fixing the MBR will trash your current LILO - probably but so what? It's easy to recreate. But why? The Win7 boot manager is actually pretty good.

    Try these linkd:

    Windows no longer starts after you install an earlier version of the Windows operating system in a dual-boot configuration

    How to use the Bootrec.exe tool in the Windows Recovery Environment to troubleshoot and repair startup issues in Windows

    Modifying the Windows 7 boot loader with the Boot Configuration Data Editor tool | TechRepublic


    Regards,
    GEWB
      My Computer


 

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