How to downgrade from Windows 7 to XP

Discussion in 'Windows OS and Software' started by Tanauser, May 5, 2011.

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  1. Tanauser

    Tanauser Notebook Enthusiast

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    Hello

    I have W7 ULTIMATE on a partition drive (C) with the Windows.old folder from a previous installation (W7).

    I don't quite understand how to downgrade to XP

    At boot time I insert the W7 premium DVD ; press key ; than what should I do ?

    The command prompt does not appear in the following steps

    I follow this tutorial with no luck so far

    How To Downgrade From Windows 7 To XP (Step-by-Step)

    Could you plesae explain to me
    regards
     
  2. Pitabred

    Pitabred Linux geek con rat flail!

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    Do you have a Windows XP install disk? Because your Windows.old from your previous Windows 7 installation will not downgrade you to XP. You're going to have to basically reinstall the system from scratch to go to XP.

    Why would you WANT to downgrade anyway though? XP is only getting security patches any more, no new features, few new drivers, it's relatively insecure... there is almost no reason to run XP.
     
  3. shakennstirred

    shakennstirred Notebook Evangelist

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    as you have win 7 ultimate you can use the xp mode so no need to downgrade, just use that when you want to use xp..
    as said xp is old and i see no reason to use it these days
     
  4. Tanauser

    Tanauser Notebook Enthusiast

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    Good morning

    I have the Windows XP install disk , but I don't know how to use it beside W7ultimate ... I though I could have XP as dual boot ; but there is a bug in that specific BIOS , if you try to install XP at installation you have the Stop error screen .

    There's nothing to do to avoid it .... because in The Bios if you switch in the advanced option ACHI ---> ATA ; than the Optical drive as well as the Usb drive are disconnected . I wasen't able to solve the case ( it's either one or the other) maybe flashing the BIOS , but I don't know what to do , so ...
    the alternative for me is to have one partition with W7 and another one with W7 downgrade
    that it's possible according some tutorials , but so far I couldn't do it , because my Windows.old is another instance of Windows7 ( not XP)

    "So I could I have Windows.old with XP os if I can't install it " this is a bit weird

    I will try that ...

    thanks for your answers

    regards
     
  5. Indrek

    Indrek Notebook Virtuoso

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    If your Windows.old folder is from another Win7 installation, then you cannot use it to downgrade to XP. You'll have to do a clean installation from an XP install disc.

    As for the BSOD, you'll have to integrate SATA drivers into your XP install CD as it doesn't include them by default. There's a ton of guides for this on the internet, using utilities like nLite. See here, for instance:
    How To Slipstream SATA Drivers Into XP CD

    Of course, unless you need XP for, say, hardware compatibility reasons, or just plain don't like Windows 7, the best option would be to use XP Mode, as suggested above. It basically gives you a free XP Professional licence (assuming you have Win7 Pro or higher) that you can run in a virtual machine inside your Windows 7 installation.
    http://www.microsoft.com/windows/virtual-pc/default.aspx
     
  6. Tanauser

    Tanauser Notebook Enthusiast

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    As I have previously stated ,
    ( no one seems to understand ) The Windows XP install cannot be done ( EVEN WITH ALL THE SATA DRIVERS incl in the cd ) because of the STOP ERROR SCREEN (the Blue death screen prevent me ) the HDD is well seen when loading at boot :
    Reasons
    Because the BIOS HDD is set AHCI ( and that is given me this error) and if switched to ATA than DVD ( is disconnected) it won't load - I have tried to solve this issue with no luck - I cannot install XP - on this machine ( Alienware Dell). If there is a solution I didn't found it .
     
  7. Indrek

    Indrek Notebook Virtuoso

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    Ah, you didn't mention you had already tried integrating SATA drivers on the XP install CD. That's the proper proper way to install XP on a newer computer (switching to IDE/ATA mode is just a workaround), which is why I recommended it. If it still doesn't work, then there might be a problem with the BIOS or hardware.

    If you would like more help with that particular problem, post the exact model of your laptop as well as details on the stop error you're getting. If XP Mode works out for you, though, then never mind.
     
  8. anseio

    anseio All ways are my ways.

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    I, too, am curious as to the "why" here. What do you need to have done that cannot be handled through a virtual machine?

    The BIOS on Sony VAIO F series is defaulted to AHCI. At least I think it is. Anyway, I was able to install XP using slipstreamed SATA drivers. I played around with this last year when I thought I needed it for a game.
     
  9. davepermen

    davepermen Notebook Nobel Laureate

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    if the bios is set to achi, it needs sata drivers. if its set to ide, it doesn't. so yes, you need the correct sata drivers correctly integrated into the cd to get beyond the BSOD.

    but still, the reason why you need xp would be interesting.
     
  10. KLF

    KLF NBR Super Modernator Super Moderator

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    VAG-Com 311.2 doesn't really work in XP mode so I use dualboot in one of my laptops. Software works, cable driver installs just fine but it cannot communicate with my car.

    Oh and I have iTunes on that same XP installation. I hate it so much I don't want it on any computer I actually use but I sometimes might need it :D
     
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