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Windows 7: Why does Win10 not allow overwrite by new Win7 disc?

28 Feb 2016   #1

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 System SpecsSystem Spec
28 Feb 2016   #2
Microsoft MVP

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 System SpecsSystem Spec
28 Feb 2016   #3

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 System SpecsSystem Spec

28 Feb 2016   #4

windows 7 pro x64

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 System SpecsSystem Spec
28 Feb 2016   #5

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 System SpecsSystem Spec
28 Feb 2016   #6
Microsoft MVP

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 System SpecsSystem Spec
28 Feb 2016   #7

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 System SpecsSystem Spec
02 Mar 2016   #8

windows 7 pro x64

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 System SpecsSystem Spec
02 Mar 2016   #9

Windows 10 Pro x64

They`re not gonna make drivers for it.

It`s not in their best interest.
My System SpecsSystem Spec
02 Mar 2016   #10

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 System SpecsSystem Spec

 Why does Win10 not allow overwrite by new Win7 disc?

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