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pat_2004
Adept II

Will Ryzen 3rd Gen Desktop CPUs support Windows 7?

Hi,

I am aware that it's possible to install Windows 7 on a PC with Ryzen 1st Gen  or Ryzen 2nd Gen  Desktop CPUs. However Windows 7 does not install or work with on Ryzen G processors.

AM4 motherboard vendors released drivers for Windows 7 64 on AM4 platform too stating that Windows 7 can only be installed when AMD Pinnacle Ridge, Summit Ridge or Bristol Ridge CPUs are installed on the board.

 

Now that 3rd Gen Ryzen CPUs are about to be launched soon, is there any information available about any possibility of Windows 7 installation on systems designed with 3rd Gen Ryzen Desktop CPUs? Will Windows 7 be supported on Ryzen 3rd Gen CPUs?

Thanks and regards. 

17 Replies
elstaci
MVP

Re: Will Ryzen 3rd Gen Desktop CPUs support Windows 7?

Since Windows 7 will be End of Line  or Non-Supported by Microsoft with any more Windows updates after January 2020,  It is a good chance there might not be any drivers for your motherboard in the future compatible with Windows 7.

I would open a Support Ticket with the manufacturer of the Motherboard you are planning on using for your Ryzen 3xxx and ask them if Windows 7 will be supported since they are the ones that supply the drivers for your motherboard.

I suggest you upgrade to Windows 10 before purchasing a Ryzen 3xxx processor and motherboard so that it will be supported in the future.

Best thing to do is wait until the Ryzen 3xxx is sold to the public and then go to the motherboard support site and see if it is compatible with Windows 7.

misterj
Exemplar

Re: Will Ryzen 3rd Gen Desktop CPUs support Windows 7?

pat_2004, I would really like to know why you want to use an unsupported OS.  For an answer now, I recommend to contact AMD Online Support.  Enjoy, John.

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hardcoregames_
Big Boss

Re: Will Ryzen 3rd Gen Desktop CPUs support Windows 7?

upgrade to windows 10, it's better for gaming but be prepared for clean installs just like you had to do with windows 7 occassionally

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elstaci
MVP

Re: Will Ryzen 3rd Gen Desktop CPUs support Windows 7?

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pat_2004
Adept II

Re: Will Ryzen 3rd Gen Desktop CPUs support Windows 7?

Thank you all for your replies. 

elstaci - That seems like a good approach. In fact I checked Gigabyte site for X570 chipset boards. Though still CPU support list is not updated, they are listing drivers for Windows 10 only.

Now if Windows 7 drivers made available for other chipsets like B450, X470 will work with Ryzen 3xxx or not, I guess will have to explore after a while after its release as fans of Windows 7 & those in the IT Hardware field might experiment with it.

misterj - I just love Windows 7. Great personalization, fast, not very resource hogging, my old programs run well in compatibility mode whereas they break on Windows 10 and several more reasons to stick to Windows 7.

atziluth
Journeyman III

Re: Will Ryzen 3rd Gen Desktop CPUs support Windows 7?

The Ryzen 3rd Gen Desktop CPUs have been sold. Do you have any news about compatibility of win7?

I like Win7, too. I don't want to change the operating system.

hardcoregames_
Big Boss

Re: Will Ryzen 3rd Gen Desktop CPUs support Windows 7?

I liked Windows 7 as well but I used 8, 8.1 and for the last few years 10

now that windows 10 has matured game issues are largely behind it

windows 7 has less than 6 months of extended support left

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1984
Journeyman III

Re: Will Ryzen 3rd Gen Desktop CPUs support Windows 7?

    Ryzen works fine on Windows 7. I run Windows 7 64 bit, and have an R7 2700X.

Just be aware that you have to do a couple of steps to make it work, and in the correct order. Number one, when you first install Windows, if you attempt to go to Windows Update for the first time without putting the patch in first, you will discover that it will continue to say "searching for updates" for hours on end. This is being done by Microsoft on purpose. Microsoft is trying to stop people from using Windows 7, and they are doing this by attempting to stop you from getting the updates. There is an easy way around this. For this, you install this patch below first, as soon as you get on your desktop, and before you use Windows Update. It is KB3102810-x64 at the link. I repeat, do not go to Windows Update yet when you first get on your desktop after installing Windows. If you do this, you will end up never being able to get Windows Updates ever. As soon as you install Windows, and get to your desktop, Install this update below first.

    https://www.microsoft.com/en-ca/download/details.aspx?id=49540

    Install this, and then reboot. After rebooting, now go to Windows Update. You will now find that when you go to Windows Update, it will discover the updates. Download, and install all the updates, and then reboot. Now, go back to Windows Update to attempt to get the next set of updates. You will now discover that after you have updated Windows partially by installing the entire first set of updates that Microsoft will now claim that your Ryzen hardware is not supported. At this point, you now install this at the link below. After this, reboot the computer again.

    https://github.com/zeffy/wufuc

    Now, when you go back to Windows Update, all the other updates will now be available.

_____________________________________________

    Also, you need to have Windows 7 on a thumb drive with the added in USB 3.0 drivers for your Windows install. Asus and Gigabyte both offer a tool that you can use to add the USB 3.0 drivers to your Windows ISO. If you do not add these USB 3.0 drivers, your keyboard and mouse will not work during your install of Windows. If you have an NVME drive, the tool also allows for those drivers to be added. You can pick either one at the links below.

    https://www.asus.com/supportonly/EZ Installer/HelpDesk_Download/

    download.gigabyte.eu/FileList/Utility/mb_utility_windowsimagetool_B18.0213.1.zip

    They are both easy to use, and if you have trouble, you can find videos on youtube showing how to use them.

______________________________________________________________________

My Ryzen 9 3900X works fine on Windows 7, however I seemed to have lost all my USB ports on the back of my motherboard since the on-die Matisse USB 3.0 controller is not supported on Windows 7 and has no drivers from AMD.

However, with a bit of hacky-whacky, I managed to get it working by tricking Windows 7 into using the Ryzen 1000/2000 driver anyway. I figured AMD wouldn't have changed the on-die USB controller significantly. It should work on all pre-x570 motherboards, since the controller is standalone and on-die. I'll tell you how to do it, however;

DISCLAIMER: This workaround is at your own risk. I have not extensively tested it except for that it now works and I'm typing this post in Windows 7 on the Matisse USB 3.0 Controller.

Now, without further ado:

Foolproof Matisse Windows 7 USB tutorial:

    Plug keyboard/mouse in front-usb so you can navigate Windows 7

    Download the latest AMD Chipset Windows 7 drivers from AMD: www.amd.com/en/support/chipsets/amd-socket-am4/x370

    Start the installation such that the installer extracts its contents into C:\AMD. You don't need to finish the installation, but it can't do harm either.

    Browse to C:\AMD\Chipset_Driver_Installer\AMD_Chipset_Drivers\MSIFiles\program files\AMD\Chipset_IODrivers\USBController Driver\Win7\x64 and open 'amdxhc.inf' in notepad.

    We're going to trick Windows into installing drivers for Ryzen 1- and 2000 for the 3000 series. Find this block:

    [AMD.NTamd64]
    %AMDXHCI.DeviceDesc% = AMDXHCI, PCI\VEN_1022&DEV_145C
    %AMDXHCI.DeviceDesc% = AMDXHCI, PCI\VEN_1022&DEV_15E0
    %AMDXHCI.DeviceDesc% = AMDXHCI, PCI\VEN_1022&DEV_15E1
    %AMDXHCI.DeviceDesc% = AMDXHCI, PCI\VEN_1022&DEV_145F

    Change DEV_145C to DEV_149C, resulting in

    [AMD.NTamd64]
    %AMDXHCI.DeviceDesc% = AMDXHCI, PCI\VEN_1022&DEV_149C
    %AMDXHCI.DeviceDesc% = AMDXHCI, PCI\VEN_1022&DEV_15E0
    %AMDXHCI.DeviceDesc% = AMDXHCI, PCI\VEN_1022&DEV_15E1
    %AMDXHCI.DeviceDesc% = AMDXHCI, PCI\VEN_1022&DEV_145F

    Go to device manager, right click the unrecognized USB controller "Universal Serial Bus (USB) Controller" and choose "Update driver software"

    Choose "Browse my computer for driver software"

    Click "Browse" and direct it to C:\AMD, and make sure to check the checkbox "Include subfolders". It should now search for your modified .inf file. Alternatively, you can direct it all the way to C:\AMD\Chipset_Driver_Installer\AMD_Chipset_Drivers\MSIFiles\program files\AMD\Chipset_IODrivers\USBController Driver\Win7\x64

    You will be prompted to install the driver software. Choose "Install anyway"

You're done. USB works.


__________________________________________________________________

Yes, only editing the inf files is enough to works well on X570 + ZEN2 CPUs and don't need to modify amdxhci.sys and amdhub3.sys.
But you must have ps/2 mouse orkeyboard to intsall the AMD chips driver first,and than install the mod usb driver.
I test on Asus X370-I and MSI X570 gaming plus, they both can work.
There are something that need to note:
1? WIN7 install.win must include KB3033929.
2?Do not Inject the USB Driver to install.win.
3?Before you install the USB driver, you must AMD chips driver first.
If you do not do that 3 points , you will miss BOSD.

------------

If the mainboard don’t have PS/2,you need a PCI-E to USB 2.0 card from ebay or similar ( ~ 4 € )

ryegrass
Adept I

Re: Will Ryzen 3rd Gen Desktop CPUs support Windows 7?

In the comments, 1984 states that his 3900x works fine. Would you be so kind as to tell me which motherboard and bios you are using?

Thanks, Randy

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