1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Can't reformat disk used previously

Discussion in 'Windows 7' started by jw@eldorado.com, Jul 10, 2010.

  1. jw@eldorado.com

    jw@eldorado.com Flightless Bird

    I created and used a small HD using Windows 7. Then I decided to
    repeat this action except I used a larger HD. I mounted the two HDs
    (both SATA) with the second drive as the boot drive and the second
    drive as a second drive for data.

    I want to clear the second drive now. It won't let me, saying I am
    already using Windows 7. How do I clear the second (smaller) drive?

    Duke
     
  2. neil

    neil Flightless Bird

    Did you install windows on the larger drive with the smaller drive
    connected. It may be that because there is a windows install on the smaller
    drive windows is protecting it. If you installed windows on the larger drive
    with the smaller connected some system files may be on the second drive.

    You could try booting from the installation DVD and see if you can format
    the second drive but then you might find windows wont boot.

    Neil

    <jw@eldorado.com> wrote in message
    news:2lkg361fkb8ua77i30osn3iqa0om9tca5l@4ax.com...
    > I created and used a small HD using Windows 7. Then I decided to
    > repeat this action except I used a larger HD. I mounted the two HDs
    > (both SATA) with the second drive as the boot drive and the second
    > drive as a second drive for data.
    >
    > I want to clear the second drive now. It won't let me, saying I am
    > already using Windows 7. How do I clear the second (smaller) drive?
    >
    > Duke
    >
     
  3. a@b.c

    a@b.c Flightless Bird

    On Sat, 10 Jul 2010 07:09:19 -0400, jw@eldorado.com wrote:

    >I created and used a small HD using Windows 7. Then I decided to
    >repeat this action except I used a larger HD. I mounted the two HDs
    >(both SATA) with the second drive as the boot drive and the second
    >drive as a second drive for data.
    >
    >I want to clear the second drive now. It won't let me, saying I am
    >already using Windows 7. How do I clear the second (smaller) drive?
    >
    >Duke


    As Neil pointed out, if you didn't disconnect the smaller drive before
    installing on the larger drive, the drives are currently
    interconnected. The worst part is that the larger drive might not
    have a valid boot sector.

    So you need to first disconnect the smaller drive and see if the
    computer will boot. If not, you'll need to use the BOOTSECT.EXE
    program to install a proper boot sector on the larger drive. Follow
    the instructions in the bootsect program help file to do this and then
    make sure that the larger drive has all the same files in the root
    directory and boot directory as the smaller drive. You should then be
    able to boot the larger drive with the smaller disconnected and
    reformat the smaller drive.
     
  4. jw@eldorado.com

    jw@eldorado.com Flightless Bird

    On Sat, 10 Jul 2010 12:28:47 +0100, "neil" <neil@somewhere.com> wrote:

    >Did you install windows on the larger drive with the smaller drive
    >connected. It may be that because there is a windows install on the smaller
    >drive windows is protecting it. If you installed windows on the larger drive
    >with the smaller connected some system files may be on the second drive.
    >
    >You could try booting from the installation DVD and see if you can format
    >the second drive but then you might find windows wont boot.
    >
    >Neil
    >
    ><jw@eldorado.com> wrote in message
    >news:2lkg361fkb8ua77i30osn3iqa0om9tca5l@4ax.com...
    >> I created and used a small HD using Windows 7. Then I decided to
    >> repeat this action except I used a larger HD. I mounted the two HDs
    >> (both SATA) with the second drive as the boot drive and the second
    >> drive as a second drive for data.
    >>
    >> I want to clear the second drive now. It won't let me, saying I am
    >> already using Windows 7. How do I clear the second (smaller) drive?
    >>
    >> Duke
    >>


    Actually, I made an Acronis image of what was on the small drive and
    then decompressed that image onto the second lrger drive.
     
  5. jw@eldorado.com

    jw@eldorado.com Flightless Bird

    Re: Re: Can't reformat disk used previously

    On Sat, 10 Jul 2010 05:10:09 -0700, "a@b.c" <a@b.c> wrote:

    >As Neil pointed out, if you didn't disconnect the smaller drive before
    >installing on the larger drive, the drives are currently
    >interconnected. The worst part is that the larger drive might not
    >have a valid boot sector.
    >
    >So you need to first disconnect the smaller drive and see if the
    >computer will boot. If not, you'll need to use the BOOTSECT.EXE
    >program to install a proper boot sector on the larger drive. Follow
    >the instructions in the bootsect program help file to do this and then
    >make sure that the larger drive has all the same files in the root
    >directory and boot directory as the smaller drive. You should then be
    >able to boot the larger drive with the smaller disconnected and
    >reformat the smaller drive.


    I got lucky. I had another smaller drive in the closet that was
    already formatted NTFS by XP. With it in place, my Windows 7 system
    booted up fine and shows the second drive in Windows Explorer.

    Thanks all

    Duke
     

Share This Page