Installing Windows 7 pro

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   Hi, I am using a ASROCK z170 Pro 4S motherboard, I am trying to install Windows 7 pro on my build with i5 6600k. But when I install the windows 7 with a usb, it says "A required CD/DVD drive device drive is missing."  I am using usb 2.0 ports and tried everything online, have someone experienced this before? thanks

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bb10789 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 28 Mar 2016 Status: Offline Points: 5	Post Options Post Reply Quote bb10789 Report Post Thanks(0) Quote Reply Topic: Installing Windows 7 pro Posted: 28 Mar 2016 at 10:47am
	Hi, I am using a ASROCK z170 Pro 4S motherboard, I am trying to install Windows 7 pro on my build with i5 6600k. But when I install the windows 7 with a usb, it says "A required CD/DVD drive device drive is missing." I am using usb 2.0 ports and tried everything online, have someone experienced this before? thanks

parsec Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 04 May 2015 Location: USA Status: Offline Points: 4996	Post Options Post Reply Quote parsec Report Post Thanks(0) Quote Reply Posted: 28 Mar 2016 at 11:08am
	Are you using a PCIe SSD as the OS drive, and trying to install in UEFI mode? Since you've provided zero detail about the OS drive, or the settings in the Storage Configuration screen (AHCI or RAID), not much to say except ask more questions.


bb10789 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 28 Mar 2016 Status: Offline Points: 5	Post Options Post Reply Quote bb10789 Report Post Thanks(0) Quote Reply Posted: 28 Mar 2016 at 12:07pm
	No, the flash drive is the installation media, which I used to boot from bios(UFEI). I am trying to install windows on my HDD, it is in ACHI mode.

aerDNA Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 Mar 2016 Status: Offline Points: 7	Post Options Post Reply Quote aerDNA Report Post Thanks(0) Quote Reply Posted: 28 Mar 2016 at 8:57pm
	You can't install Win7 from usb on Skylake chipsets due to dropped ehci support. Asrock provides a workaround - you need to patch the iso with this: ftp://europe.asrock.com/Utility/UsbPatcher/Win7UsbPatcher(v2.0.9).zip

bb10789 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 28 Mar 2016 Status: Offline Points: 5	Post Options Post Reply Quote bb10789 Report Post Thanks(0) Quote Reply Posted: 28 Mar 2016 at 10:17pm
	Hi yea I tried using that. I did that with an installation flash drive and tried to use that software to make another flash drive. It says error every time, I only have an ISO file, so I have to start from a flash drive.

aerDNA Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 Mar 2016 Status: Offline Points: 7	Post Options Post Reply Quote aerDNA Report Post Thanks(0) Quote Reply Posted: 28 Mar 2016 at 10:43pm
	I'd like to help but I can't test the utility right now and I couldn't reproduce the Win setup problem anyway as I'm on H97 chipset. Have you tried mounting the ISO and using it as the source?

clubfoot Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 28 Mar 2016 Location: Canada Status: Offline Points: 246	Post Options Post Reply Quote clubfoot Report Post Thanks(0) Quote Reply Posted: 29 Mar 2016 at 5:10am
	Page 40 of your manual has all the instructions for installing Windows7 on your motherboard. If you have a CD drive it's a no brainer. If you don't have a CD drive page 41 has the instructions to patch the installation. 3.4 Enabling USB Ports for Windows® 7 Installation