Connect it to any Mac, run Disk Drill and use the 'Create Boot Drive' option on the main toolbar.ĭisk Drill let's you run all its data recovery algorithms via a bootable Mac USB drive. Make sure you have an extra storage device, which is at least 2GB in size. Starting with Disk Drill 3, anyone can create a bootable Mac OS X drive in a matter of minutes. It'll make your Mac boot from USB in just a few clicks. Disk Drill is by far the most convenient and up-to-date macOS bootable file rescue solution. Set it aside, calm down and download a bootable data recovery app using any other computer. You can turn your computer off, remove the drive in question from the docking station, do whatever may be required to prevent any further utilization of that drive. In theory a dual layer DVD should be big enough but it is unknown if it will work.įor burning an ISO to DVD try the one of the following, with no Mac having been built with a DVD drive for many years a lot of these programs are now quite dated.The initial recommendation given to anyone who lost important data and would like to proceed with the data recovery is always to stop using the drive where the data was stored as soon as possible.

Like others have said I don't not know if producing a DVD this way will work. Then burn the ISO image to a dual layer DVD disc. Then make a disk image of the USB drive, then convert the disk image to an ISO format. Then on this other Mac run the macOS installer or boot from a USB installer.Ī third suggestion is to first make a USB boot drive - yes I am aware of the above issue. Then connect it as an 'external' drive to another Mac. One can presume that it may be the case that the Mac Pro has been fitted with an upgraded video card which does not have Mac firmware and hence does not support these pre-boot features.Ī suggest for akadmon is to if possible fit the original video card which would have Mac compatible firmware and should support these pre-boot features.Ī second suggestion would be to boot the Mac Pro in to Target Disk Mode by holding down T on the keyboard. Hence it is not possible to use a standard USB boot drive. The post is saying Option for accessing the Boot Selection screen and Command-R for Internet recovery are not working.

Some people seem to have missed a vital point from the original post.

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