I am trying to install Windows 7 Ultimate (I purchased a disk from Microsoft) on a HP-g070nr. The laptop originally shipped with Windows 8 but I would prefer 7. When I boot from the Ultimate disk everything seems to be going along fine, but when I choose to install it, it says that the CD/DVD driver needs to be installed and asks me to connect another drive or eject my CD and replace with with a CD that has the driver. My problem is I can't seem to find a driver for this. I went to HP website for that particular model and chose Windows 7 and looked at all the drivers, but none of them are for CD DVD. Also, at this point, I'm feeling like it would want the actual inf files and not the executables that HP provides on its support page. Does anyone know how I can get past this problem?