Fixing “Select CD-ROM Boot Type” when installing 64bit Windows

If you have to install 64bit Windows Vista, 7 or Server 2008 than you may come across an error that goes “Select CD-ROM Boot Type“. This will happen when you try to boot from the hard drive after the Windows DVD has copied over some of the files during the first phase of installation. We searched the internet and came across hundreds of people begging for assistance over this error and we have the solution here and tested it recently with Windows 7 64bit Enterprise.

 

  1. Take your CD/DVD/ISO and copy all the contents to your computer.
  2. Download OSCDIMG.exe from here: CLICK HERE FOR DOWNLOAD
  3. Now load up the command line and run the following command “oscdimg -n -m -bc:\windows7contents\boot\etfsboot.com c:\windows7contents c:\newwindows7dvd\newwindows7dvd.iso

The program will produce for you a brand new ISO to use that will not give you the “Select CD-ROM Boot Type” error in the future.


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6 responses to “Fixing “Select CD-ROM Boot Type” when installing 64bit Windows”

  1. George

    sorry
    ‘oscdimg’ is not recognized as an internal or external command,
    operable program or batch file.

    1. JEAN PAUL EL KHOURY

      Because you have to go from your cmd to where the oscdimg file is located then put the commands

      1. Será que funcione para la macboock pro model number A1211

        1. Jack Feschuk

          Yes, it should.

  2. Karl

    Thank you very much for this trick! I have this problem installing Windows 10 in an old MAC and this works perfectly, many thanks for your help bro! Really appreciated!

  3. Cory

    This works well to create a bootable windows 10 x64 flash drive for my MacPro 1,1. I just extracted the windows 10 iso to the folders I had to manually create on my existing bootcamp install of windows 11. Got it flashed from my imac using rufus on W11 as GPT using the new ISO and the Mac Pro started install just fine without the select cd startup error. I did get it to work by using brute force method, pressing 1 and enter non stop after selecting the bootable usb, but it took about 20 tries. This makes it much easier, thanks!

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