Boot USB seen in bios not in Windows installer ASROCK AB350M motherboard

Hello,
I am having and issue installing windows 7 from a bootable USB Stick.
I am using an
ASROCK AB350M mobo
Ryzen 1500x cpu
GTX 1060 gpu

It appears that I can see my USB stick in the bios, and can boot from it. But once windows installer begins and I click install, I am greeted with the "A required CD/DVD device driver is missing....." When I click to browse I can only see the Hard drive I want to install to but not my USB stick. I believe there is an issue with windows installer recognizing anything in my USB 2.0 ports. I had a USB keyboard and mouse with USB connectors that were recognized and usable in my bios but stop working during windows installer. I then switched to PS/2 type devices and the keyboard and mouse work in bios and installer.
This would make sense as I can start windows installer from my bios from my USB stick, but once the windows installer starts it no longer recognizes the USB stick. I should note I believe the Bootable USB is good as I have used it on another build and it booted up and installed windows just fine. Any help would be much appreciated, hopefully just a Bios setting change is needed......
Reply to Goza377
5 answers Last reply
More about boot usb bios windows installer asrock ab350m motherboard
  1. I dont believe the issue is with creating a bootable USB. My bootable USB has already worked on a previous install, so I do not think the issue is there. The more I read the more I am seeing issue with trying to install windows 7 from a USB 2.0 port on a AB350 type motherboard......
    Reply to Goza377
  2. It's not talking about creating a bootable usb (well it is but you already have that) but telling you to try unplugging/replugging usb during installation to a different usb port. Did you read the 3 steps at the bottom?
    If that doesn't help then I'd say you're likely dealing with uefi/bios compatibility issues as that is a win 7 stick (you can try switching in bios to support legacy boot for this and seeing if it works).
    Reply to Sedivy
  3. I did try plugging in different USB ports 2.0 and 3.0, and having legacy turned on in the BIO's. I appreciate the response, but I actually found the answer. It took me about 5 hours of trying things before I did. In case anyone stumbles on this I will tell you what worked.

    The problem is the new Ryzen CPU's are not out of the box compatible with windows 7. So when you put a bootable USB drive with windows 7 in a Motherboard designed for a Ryzen chip, the drivers do not automatically work and thus the motherboard will not recognize anything is the USB ports. That being said after doing ALOT of research I found that MSI actually created a very nice tool that will put the windows 7 drivers for Ryzen chip motherboards directly on the bootable USB stick. At first I thought this may only work for MSI motherboards as that is where I found the solution. But all Ryzen motherboards have the same architecture and you can use the MSI tool for any motherboard manufacturer, I was using ASROCK and worked like a charm. Here is a link to the 3 page guide of using the MSI smart tool, https://www.msi.com/files/pdf/SMART_TOOL_User_Guide_EN.pdf
    After putting drivers on bootable USB stick, windows instaler instantly recognized and installed windows.

    Hopefully this will save a few people 5 hours of research!
    Reply to Goza377
  4. I did try plugging in different USB ports 2.0 and 3.0, and having legacy turned on in the BIO's. I appreciate the response, but I actually found the answer. It took me about 5 hours of trying things before I did. In case anyone stumbles on this I will tell you what worked.

    The problem is the new Ryzen CPU's are not out of the box compatible with windows 7. So when you put a bootable USB drive with windows 7 in a Motherboard designed for a Ryzen chip, the drivers do not automatically work and thus the motherboard will not recognize anything is the USB ports. That being said after doing ALOT of research I found that MSI actually created a very nice tool that will put the windows 7 drivers for Ryzen chip motherboards directly on the bootable USB stick. At first I thought this may only work for MSI motherboards as that is where I found the solution. But all Ryzen motherboards have the same architecture and you can use the MSI tool for any motherboard manufacturer, I was using ASROCK and worked like a charm. Here is a link to the 3 page guide of using the MSI smart tool, https://www.msi.com/files/pdf/SMART_TOOL_User_Guide_EN....
    After putting drivers on bootable USB stick, windows instaler instantly recognized and installed windows.

    Hopefully this will save a few people 5 hours of research!
    Reply to Goza377
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