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  1. #1
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    Windows 7 Install "A required CD/DVD drive device driver is missing"

    "A required CD/DVD drive device driver is missing" or "A media driver your computer needs is missing"

    Windows 8.1 and windows 10 Go fine but i do not want to use either one and cannot install windows 7

    Any ideas?

    Here is a vid of there error its not my vid but i get exact same error i have tried everything

    was working fine on my maximus vii hero but its giving me the ****s on the VIII board

    You guys got any ideas?

  2. #2
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    yeah i just found that out i do not have an optical drive, Would a USB optical drive work i can get one of them easy,

    Also where is this in the bios ? i do not see anything that says this Enable ‘Windows 7 Installation’ or ‘EHCI mode

    http://forums.hardwarezone.com.sg/ha...s-5127041.html

  3. #3
    untouched Array Praz's Avatar
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    Hello

    Use one of the methods shown in the link below. The first two will require a SATA optical drive.

    http://dlcdnet.asus.com/pub/ASUS/mb/...uide_print.pdf

  4. #4
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    thank you for your help its greatly appreciated, Keeping it book marked for now but damn seems alot of trouble just to install W7 jesus makes me feel like we aree back in XP days lolz

  5. #5
    untouched Array Praz's Avatar
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    Hello

    You're welcome. These workarounds are necessary with Intel removing EHCI controllers form the PCH as Win7 does not natively support xHCI

  6. #6
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    Hello, where do I get ASUS EZ Installer? I don't have a DVD drive so can't use the ASUS support DVD.

    ASRock offers a similar software that could be used, but I rather use ASUS EZ Installer.
    Why didn't you put it on your website for download like they did for their Motherboards?

    http://www.asrock.com/microsite/Win7Install/index.html
    ftp://europe.asrock.com/Utility/UsbP...er(v1.0.6).zip

  7. #7
    untouched Array Praz's Avatar
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    Quote Originally Posted by Desmond86 View Post
    Hello, where do I get ASUS EZ Installer? I don't have a DVD drive so can't use the ASUS support DVD.

    ASRock offers a similar software that could be used, but I rather use ASUS EZ Installer.
    Why didn't you put it on your website for download like they did for their Motherboards?

    http://www.asrock.com/microsite/Win7Install/index.html
    ftp://europe.asrock.com/Utility/UsbP...er(v1.0.6).zip
    Hello

    Probably best to spend the $12.00 or so for an optical drive for these type of issues when building a system.

  8. #8
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    Hi guys,

    I am in exactly the same issue.

    I cannot for the life of me get windows to install without a diskdrive.

    The manual methods simply don't make sense to me and I am really stuck,

    I have windows 7 64 on an ISO image installer on a USB. What do I do next?

    Kind regards,

  9. #9
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    I remembered that I have a laptop lying around so I extracted the software from the DVD there.
    I have uploaded it for others here: http://www.filedropper.com/asusezinstaller

    Anyway, I noticed that your tool does not create a "EFI\Boot\bootx64.efi" file which is required for Windows 7 to boot on a UEFI PC. It is a bit stupid that your software does not create this file, thus not making the installation bootable.

    I have uploaded the file here: http://www.filedropper.com/bootx64_1
    Extract it and put it on the USB flash drive at "E:\efi\boot" or whatever drive letter your USB is mounted to.

    The below method is the correct way to prepare USB stick, the file I uploaded is the file described below.

    Preparing the USB Stick for UEFI
    Check if the file 'BOOTX64.EFI' via the path \EFI\BOOT\ is available on the stick.

    If this is not the case, you can copy the file to the stick by using one of the two methods below:

    If access to the stick is via a UEFI-enabled computer with a Windows 7 (or higher) x64, the Bootloader can be copied and renamed to the stick. You can do this on the system partition under:
    C:\Windows\Boot\EFI for the file bootmgfw.efi
    Copy it to the stick in the \EFI\BOOT\ folder and rename this file BOOTX64.EFI (notice the reverse order of efi and boot)
    The file bootmgfw.efi can also be extracted from a Windows 7 (or higher) x64 - DVD. It is located in the 2.7 GByte large archive Install.wim in the subdirectory \sources. The archive can be extracted with an archiving program. This file is located in the subdirectory "1" of the archive at 1\Windows\Boot\EFI\.
    https://www.thomas-krenn.com/en/wiki...ick_in_Windows

    I also tried the ASRock software but it does not work, it complains that path of driver folder is not valid, but there is not even any option to select the location of USB 3 driver.

    By using ASUS EZ Installer and the Bootx64.efi file, you are ready to go.
    Last edited by Desmond86; 08-19-2015 at 10:10 PM.

  10. #10
    untouched Array Praz's Avatar
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    Quote Originally Posted by Desmond86 View Post
    I remembered that I have a laptop lying around so I extracted the software from the DVD there.
    I have uploaded it for others here: http://www.filedropper.com/asusezinstaller

    Anyway, I noticed that your tool does not create a "EFI\Boot\bootx64.efi" file which is required for Windows 7 to boot on a UEFI PC. It is a bit stupid that your software does not create this file, thus not making the installation bootable.

    I have uploaded the file here: http://www.filedropper.com/bootx64_1
    Extract it and put it on the USB flash drive at "E:\efi\boot" or whatever drive letter your USB is mounted to.

    The below method is the correct way to prepare USB stick, the file I uploaded is the file described below.



    https://www.thomas-krenn.com/en/wiki...ick_in_Windows

    I also tried the ASRock software but it does not work, it complains that path of driver folder is not valid, but there is not even any option to select the location of USB 3 driver.

    By using ASUS EZ Installer and the Bootx64.efi file, you are ready to go.


    Hello

    The ASUS Win7 tool does exactly what it is designed to do. Allows Win7 to be installed even though it does not natively support xHCI. Win7 will install fine after using the utility if installed in legacy mode. Modding the Win7 install media for UEFI or any other purpose is not the intent of the utility.
    Last edited by Praz; 08-19-2015 at 10:09 PM.

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