Why does Win10 not allow overwrite by new Win7 disc?

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  1. Posts : 10
    windows 7 pro x64

    Why does Win10 not allow overwrite by new Win7 disc?

    I purchased a new in the box HP laptop, HP15-AF113CL from costco.
    It comes preloaded with win10, it does not have a touchscreen.
    I am not a fan of win10 and purchased a licensed copy of win7 pro from amazon.
    The laptop does not allow me to overwrite the win10 with the new win7 pro.
    I get a continuous "windows failed to start" error with,
    "insert windows install disc and restart
    status: 0xc000000f
    os could not be loaded because a required file is missing or contains errors."
    Any help or guidance would be greatly appreciated.
    Thanks in advance.
      My Computer

  2. whs
    Posts : 26,213
    Vista, Windows7, Mint Mate, Zorin, Windows 8

    I think the BIOS is blocking it. The reason is probably a possible lack of drivers for Win7.
      My Computer

  3. Posts : 20,583
    Win-7-Pro64bit 7-H-Prem-64bit

    Hi and welcome to SevenForums,
    Did you contact H-P and see if they blocked win-7 installs on this machine ?

    Between win-10 fast startup which would need to be disabled,
    Fast Startup - Turn On or Off in Windows 10 - Windows 10 Forums

    And the bios secure boot and os type being UEFI Only it's not surprising a win-7 install would fail to overwrite a current win-10 install.
      My Computer

  4. Posts : 10
    windows 7 pro x64
    Thread Starter

    Ok. I spoke to (free) HP tech support. Thank you for suggesting it. You are correct, the system will not work with any other os besides win10. It may be possible to run it on win 7 in the future, but there is no way to know that at this time according to HP. Thanks again for your input. Clydebern-
      My Computer

  5. Posts : 20,583
    Win-7-Pro64bit 7-H-Prem-64bit

    You can = not sure how well it will work
    But none the less you can install win-7 in virtual machine using win-10 visualization features or using a third party VMWare
    All you need is a iso file for the win-7 version you have.
      My Computer

  6. whs
    Posts : 26,213
    Vista, Windows7, Mint Mate, Zorin, Windows 8

    Here are a few tutorials that show how to install an OS in virtual.

    Virtual OS Tutorial - Install, Setup and Operate
      My Computer

  7. Posts : 20,583
    Win-7-Pro64bit 7-H-Prem-64bit

    Yea I wouldn't doubt if H-P support just lied :)

    If you have a spare ssd or hdd I would disable fast startup in win-10
    Then shut down and replace the drive
    Then enter the bios and disable secure boot
    Make sure os type is not uefi only

    Boot to the installation disk and see what happens
      My Computer

  8. Posts : 10
    windows 7 pro x64
    Thread Starter

    Thanks for your reply. Sorry for the delay, theres a lot going on here.
    I think your right that it may be possible as you say.
    The hard drive is not easy access.
    I am looking for instructions to take the laptop apart without breaking it.
    This is the (edited down) HP tech support transcript.

    1:35 PM Me: all i want to know is if the hp-af113cl can run windows 7?

    1:36 PM HP: The unit which we are discussing now has been put on sale with Windows 10 and
    has drivers only for this shipped Windows. There is no driver available to use with windows
    7. Even though, this unit is fully compatible to run Windows 7. The computer you are using is
    equipped with all new hardware like processor and motherboard and are made specifically for
    win 10, thats why the individual manufacturers are yet to release the software driver for
    windows 10 , which is why it is not listed in our website. Once they release the driver it
    will be listed in our website also they will also be installed through windows update as
    well. Please accept my apology as I am not in a position to give you any direct download for
    drivers which will work with Windows 7.

    1:38 PM HP: To make it fully functional we need all the required drivers and as it is not
    available with us, I can tell you about two alternative approach on gathering them.

    1:38 PM HP: HP support assistant and windows update is build in such a way that when they
    are both turned on for a specific period of time thatís 5-6 days, windows update and HP
    support assistant update will automatically inject the specific original driver for those
    hardware like USB3, graphics motherboard whichever missing the driver for current Operating
    system. So the whole process is fully automatic and we donít have to manually go ahead search
    them and install them separately. Thatís the biggest advantage ,so no worries.

    1:40 PM Me: when i try to load windows 7, the system does not allow it.

    1:42 PM HP: Yes, that's because the computer haradware will not allow you to downgrade it

    1:42 PM Me: so i must wait for the drivers to be released and it will be possible at that

    1:43 PM HP: To be very honest, may be no

    1:44 PM Me: ok. so no way to know at this time?

    1:44 PM HP: Right

    1:46 PM HP: The computer hardware has built such a way that it will not allow you to
    downgrade, because in future you may face issues with drivers, and it will be a problem then

    1:47 PM Me: ok
      My Computer

  9. Posts : 13,576
    Windows 10 Pro x64

    They`re not gonna make drivers for it.

    It`s not in their best interest.
      My Computer

  10. Posts : 20,583
    Win-7-Pro64bit 7-H-Prem-64bit

    You might be able to return it,
    Many manufactures still sell win-7 machines mostly in the business sections of their websites
    That and last I searched Amazon still has many win-7 units.

    Laptops have the most issues with drivers seeing they have touchpads to function.
      My Computer

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