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I tried unplugging my TV tuner, secondary HD, and all unnecessary USB components as suggested in another answer, but I am still getting this problem every time I try to run the setup. Note: If the Windows installation media s in the CD/DVD drive, you can safely remove it for this step."Ģx SONY 16X DVD±R DVD Burner Black IDE Model DWQ28A

If you have a driver floppy disk, CD, DVD, or USB flash drive, please insert it now. "A required CD/DVD drive device driver is missing.

I am booting from a DVD and am getting the following message:

I currently have Windows 7 build 7000 (32-bit) and Windows Vista (32-bit) installed, and I am looking to install Windows 7 RC (64-bit) and erase the other 2 OS's.