Uninstall upgrade?
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Thread: Uninstall upgrade?

  1. #1
    Join Date
    Sep 2002
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    Australia
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    Uninstall upgrade?

    Can a Win7 upgrade install over vista premium be uninstalled and return to vista?
    Gigabyte GA-MA785GMT-UD2H AM3 motherboard
    16 GIG Ram,
    AMD FX 8350, 8 core
    2 x 1gig sata 3 ,,
    1 X 24" wide screen moniter ,
    2 x 17' secondary moniters
    1 x 21" secondary moniter
    Corsair Power
    Corsair Hydro cooler H 60
    1 x blueray burners
    Windows 8.1 x 64 Professional

    Professional DOS dummy.

  2. #2
    Join Date
    Mar 2009
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    Arkham Asylum, Cell 13
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    It's possible, but it would be much easier and cleaner to just restore your backup of Vista. You are making backups of Vista, right? If you're not, then that's a whole other problem.
    http://news.softpedia.com/news/Unins...ws-59129.shtml

  3. #3
    Join Date
    Apr 2005
    Location
    Maryland, USA
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    17,806
    When you installed Windows 7 over Vista, did you select 1) "new" installation or 2) the "upgrade" option?
    1. If you installed Windows 7 as a "new" installation over Windows Vista, (or XP, or 7), the Windows 7 installation routine will have created a "Windows.old" folder that contains your previous operating system and personal files. This "Windows.old" folder is in the root of the Windows partition.
      How to restore a Windows 7-based computer to a previous Windows installation by using the Windows.old folder
      http://support.microsoft.com/kb/971760/
      Warning: Restoring your previous operating system by using the Windows.old folder does not keep any files or settings from the current installation.

    2. If you selected the "upgrade" option, (instead of "new"), then there is no previous operating system to which you can revert.


    In other words:
    New = saves a backup copy of your old Windows installation in \Windows\Windows.old
    Upgrade = overwrites your old Windows installation, (no backup)

    --

    References:
    How to uninstall Windows 7
    http://support.microsoft.com/kb/971762

    How to back up your data on a Windows-based computer
    http://support.microsoft.com/kb/971759/

    How to install Windows Vista
    http://support.microsoft.com/kb/918884/

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