In this case, you have to install USB drivers manually so that see your hard drive.
So, here well give you the complete guide on error messageA required CD/DVD drive gadget driver is missing.
This message will not come up if you install Windows 7 from the DVD.
This only happens if you install Windows 7 through USB.
c’mon read the article carefully from start to end.
First of all, lets know the root cause of this problem.
And all you know that the Windows 7 is a very old one (supported USB 2.0 ports).
Means, there is miss-compatibility of the USB drivers with each other.
You are getting this problem only when you install Windows 7 through USB.
If you are doing this through CD, then you wont face this problem.
Also Read:How to Fix Error Code 0x80070035 the internet Path Was Not Found.
We are going to explain how to do it.
hey follow the following steps.
How to fix A required CD/DVD unit driver is missing Error (Steps)
Steps:
