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Dual Boot Dilema

Discussion in 'Windows XP' started by Andy Siegel, Jun 4, 2010.

  1. Andy Siegel

    Andy Siegel Flightless Bird

    I have a computer with space for only two hard drives. It was originally
    built with Windows XP Pro (Disk 0). I added a drive (Disk 1) and loaded
    Vista Ultimate on it and I do a dual boot routine as needed. At this point,
    I'd like to install a new Disk 0 and build it as Windows 7 Pro. (I really
    wish I could upgrade my Vista Ultimate to Win7 Pro) I guess my question is
    this, if I put in a new Disk 0, boot to a DVD and build it to Win 7, what
    will happen to my Disk 1? Will Windows still recognize that there are two
    bootable drives and ask me which one to use? When I put a new drive into the
    disk 0 spot, the system didn't seem to know what to do which leads me to
    believe that there's something in the MBR of disk 0 that tells the system
    that there are two bootable drives. I guess you could say that I'm not sure
    exactly how it all works.

    Thank you for any help.
     
  2. Jerry

    Jerry Flightless Bird

    Why a new disk? Just boot from the Win7 DVD, select that disk as the install
    location and Win7 will install itself on it and you'll still be able to
    dual-boot Vista and Win7.

    "Andy Siegel" <AndySiegel@discussions.microsoft.com> wrote in message
    news:90849008-CEF3-47C0-807A-4309D6EC2C17@microsoft.com...
    >I have a computer with space for only two hard drives. It was originally
    > built with Windows XP Pro (Disk 0). I added a drive (Disk 1) and loaded
    > Vista Ultimate on it and I do a dual boot routine as needed. At this
    > point,
    > I'd like to install a new Disk 0 and build it as Windows 7 Pro. (I really
    > wish I could upgrade my Vista Ultimate to Win7 Pro) I guess my question
    > is
    > this, if I put in a new Disk 0, boot to a DVD and build it to Win 7, what
    > will happen to my Disk 1? Will Windows still recognize that there are two
    > bootable drives and ask me which one to use? When I put a new drive into
    > the
    > disk 0 spot, the system didn't seem to know what to do which leads me to
    > believe that there's something in the MBR of disk 0 that tells the system
    > that there are two bootable drives. I guess you could say that I'm not
    > sure
    > exactly how it all works.
    >
    > Thank you for any help.
     
  3. Tim Meddick

    Tim Meddick Flightless Bird

    If you removed disk0 (with xp on it) and replaced it with a new HD and
    loaded Win7 on to it : then YES : Win7 should easily be able to recognise
    another windows version and create a boot.ini file to accommodate it.

    Just make sure you take care in the initial installation of Win7 to install
    it onto drive0 - it's a good idea before you begin to take note of the
    drive's sizes because that's going to be the way to identify them from each
    other in the setup procedure.

    ==

    Cheers, Tim Meddick, Peckham, London. :)




    "Andy Siegel" <AndySiegel@discussions.microsoft.com> wrote in message
    news:90849008-CEF3-47C0-807A-4309D6EC2C17@microsoft.com...
    >I have a computer with space for only two hard drives. It was originally
    > built with Windows XP Pro (Disk 0). I added a drive (Disk 1) and loaded
    > Vista Ultimate on it and I do a dual boot routine as needed. At this
    > point,
    > I'd like to install a new Disk 0 and build it as Windows 7 Pro. (I
    > really
    > wish I could upgrade my Vista Ultimate to Win7 Pro) I guess my question
    > is
    > this, if I put in a new Disk 0, boot to a DVD and build it to Win 7, what
    > will happen to my Disk 1? Will Windows still recognize that there are
    > two
    > bootable drives and ask me which one to use? When I put a new drive into
    > the
    > disk 0 spot, the system didn't seem to know what to do which leads me to
    > believe that there's something in the MBR of disk 0 that tells the system
    > that there are two bootable drives. I guess you could say that I'm not
    > sure
    > exactly how it all works.
    >
    > Thank you for any help.
     
  4. Doum

    Doum Flightless Bird

    =?Utf-8?B?QW5keSBTaWVnZWw=?= <AndySiegel@discussions.microsoft.com>
    écrivait news:90849008-CEF3-47C0-807A-4309D6EC2C17@microsoft.com:

    <snip>

    > (I really
    > wish I could upgrade my Vista Ultimate to Win7 Pro)


    <snip>

    If this is what you really want to do, why don't you do it?

    Insert your Win7 disk while Vista is running and follow the prompts. I
    think you need a "retail" disk (not OEM) to do this.
     
  5. Db

    Db Flightless Bird

    having a dual boot with
    vista and w7 won't be
    worthwhile.

    there isn't any advantage
    and you can only use
    one o.s. at any one time.

    if however, you had two
    different computers like
    a pc and laptop,

    you could make each
    one have a different o.s.
    and enjoy the best of
    both worlds.

    --
    --
    db·´¯`·...¸><)))º>

    DatabaseBen, Retired Professional

    ~~~~~~~~~~~~~~~
    This NNTP newsgroup is evolving to:

    http://answers.microsoft.com/en-us/default.aspx


    "Andy Siegel" <AndySiegel@discussions.microsoft.com> wrote in message
    news:90849008-CEF3-47C0-807A-4309D6EC2C17@microsoft.com...
    > I have a computer with space for only two hard drives. It was originally
    > built with Windows XP Pro (Disk 0). I added a drive (Disk 1) and loaded
    > Vista Ultimate on it and I do a dual boot routine as needed. At this
    > point,
    > I'd like to install a new Disk 0 and build it as Windows 7 Pro. (I really
    > wish I could upgrade my Vista Ultimate to Win7 Pro) I guess my question
    > is
    > this, if I put in a new Disk 0, boot to a DVD and build it to Win 7, what
    > will happen to my Disk 1? Will Windows still recognize that there are two
    > bootable drives and ask me which one to use? When I put a new drive into
    > the
    > disk 0 spot, the system didn't seem to know what to do which leads me to
    > believe that there's something in the MBR of disk 0 that tells the system
    > that there are two bootable drives. I guess you could say that I'm not
    > sure
    > exactly how it all works.
    >
    > Thank you for any help.
     
  6. Mike S

    Mike S Flightless Bird

    On 6/4/2010 1:57 PM, Db wrote:
    >
    > having a dual boot with
    > vista and w7 won't be
    > worthwhile.
    >
    > there isn't any advantage
    > and you can only use
    > one o.s. at any one time.
    >
    > if however, you had two
    > different computers like
    > a pc and laptop,
    >
    > you could make each
    > one have a different o.s.
    > and enjoy the best of
    > both worlds.


    I have a dual boot XP/Ubuntu machine, if I push F8 while the computer is
    booting up a menu comes up with boot options. I think most modern
    computers have this feature now.

    I only mention it because I don't like trusting any OS to install a dual
    boot with any other OS and do it right. Whenever I install a 2nd OS on a
    machine I make sure the hard drive with the 1st working OS is
    disconnected & unplugged so there is no possible way for it to be
    corrupted, then complete the 2nd OS installation. I like to keep life
    simple!

    Just a thought,
    Mike
     
  7. Andy

    Andy Flightless Bird

    On Fri, 4 Jun 2010 11:36:56 -0700, Andy Siegel
    <AndySiegel@discussions.microsoft.com> wrote:

    >I have a computer with space for only two hard drives. It was originally
    >built with Windows XP Pro (Disk 0). I added a drive (Disk 1) and loaded
    >Vista Ultimate on it and I do a dual boot routine as needed. At this point,
    >I'd like to install a new Disk 0 and build it as Windows 7 Pro. (I really
    >wish I could upgrade my Vista Ultimate to Win7 Pro) I guess my question is
    >this, if I put in a new Disk 0, boot to a DVD and build it to Win 7, what
    >will happen to my Disk 1? Will Windows still recognize that there are two
    >bootable drives and ask me which one to use? When I put a new drive into the
    >disk 0 spot, the system didn't seem to know what to do which leads me to
    >believe that there's something in the MBR of disk 0 that tells the system
    >that there are two bootable drives. I guess you could say that I'm not sure
    >exactly how it all works.
    >
    >Thank you for any help.

    Disk 0 contains the Windows System partition. The System partition
    contains the Boot Configuration Data (BCD) that allows booting to
    either Vista or an earlier operating system, viz., Windows XP.

    When you replace Disk 0 and install Windows 7 on it, the new BCD won't
    know anything about the Vista installation on Disk 1, so you have to
    boot from Windows 7 DVD and run startup repair, adding Vista to the
    BCD. Then you will be able to dual boot to Windows 7 or Vista.
     

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