Installing Windows XP Pro on a new machine

Posted on 2012-09-05
Last Modified: 2012-09-06

I have a Lenovo thinkpad mode T420 that comes with windows 7 installed on it. I need to downgrade to Windows XP due to software reasons but it doesn't matter what I do. I try to install from a disk and it goes through the process installation and then stops with a blue screen. I also, try to install from a image and it doesn't work.

Do you know a better way I can install windows XP professional on this machine?
Question by:mallony

    Expert Comment

    I would suggest looking into this.  Go ahead and install Windows 7 then uses Windows XP virtual mode to run software that doesn't work on Windows 7.
    LVL 7

    Expert Comment

    You may also want to look into the following product from Citrix.  It is a free desktop hypervisor, and would let you run different operating systems.  I use it at work on my system, works well for flipping between operating systems.

    I believe your laptop is compatible with it:

    Here is the download link:

    Here is a video showing the benefits:
    LVL 1

    Expert Comment

    To me this indicates a possible hardware failure.  I would run memtest and DFT to check for a problem.
    LVL 27

    Accepted Solution

    Please make sure that the hard drive setting within your BIOS is to Compatibilty mode and not AHCI. Then try your installation again.
    LVL 10

    Expert Comment

    Looking at the Lenovo support site for your model, drivers include XP in their descriptions leading me to believe the T420 is supported for the XP OS.  This fact makes me inclined to agree with Expert David-Howard.  Make sure the hard drive settings in the BIOS are NOT set to AHCI.  Select IDE or Compatibility mode instead.  My guess is that the BSOD error you are seeing is the "7B" or "inaccessible boot device" error.
    LVL 95

    Expert Comment

    by:Lee W, MVP

    The problem with this suggestion is that you still need an XP license - this costs money.  The only XP license allowed to virtualize is a retail license as I recall, a full retail pro license, which is $300.

    If the machine came with Win7 Pro or Ultimate, then you GET that license FREE when you use XP Mode instead of Citrix's product... And if the machine came with Win7 Home, you can use the Anytime Upgrade for $90 (far less than the $300 for a full retail copy) to upgrade to pro to get that XP license (and get more features on 7 as well).
    LVL 91

    Expert Comment

    >>  and then stops with a blue screen. I also, try to install from a image and it doesn't work.
     <<<    please give exact info - what error the BSOD lists?
    what image do you install?   was it made from this model?  if not, chances are it does not work like that; you can restore an image to different hardware with Paragon's adaptive restore :

    Author Closing Comment

    it works!
    Thank you.

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