A Required CD / DVD Drive Device Driver Is Missing, that's the message when a failure occurs earlier. This problem usually occurs right after pressing the "Install Now". The same thing often happens when a downgrade from windows 7 to windows xp.
This improvement measures Install Windows 7 Fails above.
The first path;
The first step is the need to enter the BIOS first. This is done by pressing a certain key repeatedly as soon as you start your computer is turned on (or rather after the restart). For many computers, the key is F8, but it may also F1, F2, F10, and the Delete (del) or the Escape key (ESC). Customize with your computer's motherboard manual or try different keys until you find the right one.
Search screen or the option to change the boot sequence. Follow the instructions to change the boot sequence. This is sometimes done using the + (plus) or - (minus).
Change the BIOS boot sequence and set the order of the drive (DVD) optics as the first boot device in BIOS. After that go back to the installation.
The second path;
Other options are Update Failed ITE ATA driver on top and try to boot back into Windows 7. Run Launch Windows Update and install updates ITE ATA driver before trying to upgrade the operating system. Upgrade advisor may not be able to find this driver.
The third path;
Final option is to change from SATA to AHCI driver. Follow these instructions when booting into the BIOS of your computer, then check your HDD or your storage settings. Turn off SATA, switch to AHCI, and reboot normally and try again the installation process of Windows 7.
Thus this brief guide.
