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Saltgrass 
Group: Members
Posts: 2
Joined: Nov. 2012
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Posted on: Nov. 06 2012,10:46 |
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Since the newest version of UltraISO supports UEFI, I was wondering what the difference is between using an extracted boot image from a UEFI DVD or Opening the DVD, adding files and then making the .iso. Â
It seems I got the Opened version to boot correctly, but the .iso made with an extracted image would not. Â There may be some settings I have not yet found or have set incorrectly, so any guidance would be appreciated.
Edit: I just ran another test using the extracted boot image and it seemed to work. Now, if Microsoft doesn't get the problem with making the Windows 8 Upgrade .iso from the Upgrade Advisor/Installer fixed, I have another option.
Edited by Saltgrass on Nov. 06 2012,11:30
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| Post Number: 2
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Saltgrass
Group: Members
Posts: 2
Joined: Nov. 2012
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Posted on: Nov. 07 2012,22:56 |
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I think I may have spoken too soon. Â I have again tried to make a DVD UEFI bootable using a .bif file.
I can edit a known good boot .iso and add files to it and it boots correctly, I just cannot use the .bif file to make a new .iso bootable from scratch.
I add the .bif file and the .iso shows as being bootable UDF, but it does not show the UEFI as a boot option. Â What am I missing?
Thanks....
Edit: Well again, I may have it. It seems using the efisys.bin file as a boot image works.
Edited by Saltgrass on Nov. 08 2012,10:40
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