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Summary:

If you upgraded your UMPC, laptop or desktop to Windows Vista from XP, you might have noticed an message during the installation about a "Windows.old" folder. This is where the old XP installation information is stored for your upgrade, which I knew. What I didn’t know […]

Windows_xp_logoIf you upgraded your UMPC, laptop or desktop to Windows Vista from XP, you might have noticed an message during the installation about a "Windows.old" folder. This is where the old XP installation information is stored for your upgrade, which I knew. What I didn’t know was how to actually USE that data to revert back to XP if needed. Microsoft has all of the steps right here to revert back to XP from any version of Vista if you kept that "Windows.old" folder. I tend to keep that folder around until I’m sure the machine, drivers and peripherals are all up to snuff on Vista and then I give it the old heave-ho. If you kept yours and Vista just isn’t where you want it to be yet, you can follow these steps and go back in time to XP. Actually, this works if you went from Windows 2000 to Vista as well; anybody fit the bill there?

  1. Thanks for the tip Kevin. I’ve got a HP zd7000 I have been meaning to upgrade to Ultimate and now that I know I can revert to the old OS if I have problem with Vista I’ll give it a shot.

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  2. If only this had been posted 2 weeks ago, when I did the Vista upgrade and then 24 hours later the xp reinstall on my R2H.

    Some of the issues were with the drivers and others were just with Vista… But Xp works just fine.

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  3. further info.
    it’s possible to revert back to xp from vista if and only if it’s “custom” parallel upgrade. that is if you chose “Custom” upgrade when you did the upgrade inside the windows xp environment. here, there are two options in upgrading, “custom” or just “upgrade”. if you chose upgrade you cant revert back to xp. there will be no windows.old folder
    if you did the upgrade by going into the DVD drive right away (outside windows environment) then you can’t revert back to xp as well.

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