"A Required CD/DVD drive device driver is missing" halting installation

Iamthewalrus · Apr 14, 2017

Hey everyone. So basically I'm trying to install Windows 7, more specifically Windows 7 Ultimate 64-Bit, but this little issue is halting everything. It won't let me progress unless I insert a driver disk or something of that sort for a CD/DVD driver, which I don't have. I've tried the USB port swap method, I've tried disabling all of the USB 3.0 slots, (which I now have re-enabled), and various variations of those things. I have no other ideas, and I have to do this for my computer to work. What do I do? This is on a new ASRock B250M-HDV motherboard with it's default, out of the box BIOS, (no drivers yet), and the Windows 7 copy is on a USB. Thanks.

SkyNetRising · Apr 15, 2017

Windows 7 doesn't have USB drivers integrated into installation for B250 motherboard.
You can install windows from DVD drive (attached to sata not USB) or
you can integrate USB drivers into installation with Windows 7 USB Patcher ver:2.0.16 (downloadable from asrock site)
http://www.asrock.com/MB/Intel/B250M-HDV/index.asp#osW764

Iamthewalrus · Apr 15, 2017

SkyNetRising :

What do you mean by the first suggestion? Like, install from a disk? And would integrating my copy of Windows 7 with that Windows 7 USB Patcher from ASRock's site allow me to continue my installation without the issue in the title? Thanks for the reply.

SkyNetRising · Apr 15, 2017

Iamthewalrus :

Yes - that's one option.

Iamthewalrus :

You integrate USB drivers with Windows 7 USB patcher, not USB patcher itself. But yes, that would allow to install windows 7 from usb.

Iamthewalrus · Apr 15, 2017

SkyNetRising :

Okay, I'm sorry but I just don't know much about this stuff. I think I may have phrased that badly. What I'm gathering is that I download the patcher from the ASRock website, run it, and direct it to the USB with my Windows 7 copy on it? Or at least, something like that. I need a bit of guidance on this process, this is all foreign to me. Thanks again. I know it's a lot to ask, but I need something of a walk through for this. I'd be very grateful if you could help.

SkyNetRising · Apr 15, 2017

Just download win7 usb patcher, unzip it and run it.
It will guide you through various options, how to proceed. Choose options, that are appropriate for your situation.

Here is a brief tutorial. Latest patcher version is slightly reworked, so tutorial is not precise,
but it gives general idea, what you can do.
http://www.asrock.com/microsite/win7install/

Iamthewalrus · Apr 15, 2017

SkyNetRising :

Is mine a 100 Series?

Iamthewalrus · Apr 15, 2017

SkyNetRising :

Okay, I'm trying to run the application but it says "Entry Point Not Found - The procedure entry point InitializeConditionVariable could not be located in the dynamic link library KERNAL32.DLL." I cannot believe I'm having more issues, I just want my computer to work.

Iamthewalrus · Apr 15, 2017

SkyNetRising :

Sorry, disregard those last two. Got it working on an old laptop.

Iamthewalrus · Apr 15, 2017

SkyNetRising :

Is it normal for it to take a long time to add the driver to the images? It says it may take a couple of minutes, but it's been far longer than a couple of minutes.

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