The same machine, a MacBook Pro (15-inch, Mid 2012) running Mojave works in exactly the same manner.

Dvd Burner Yosemite Install Of Catalina

The two machines were exact copies of each other, except the amount of RAM, before I upgraded one to Catalina for testing.) The same thing happens on a vanilla install of Catalina on an iMac with a USB burner attached.

I cant find anything interesting in the console.log either.

I know optical drives are not very common, but I still work with old computers and booting from USB is not always feasible.

If it is planned not to work, then the option should be gone from the Finder.

Dvd Burner Yosemite Iso Please Insert

For example, to burn the latest Ubuntu ISO, load Terminal.app, and there you would type the command (in bold; the resulting output is below): hdiutil burn ubuntu-19.10-desktop-amd64.iso Please insert a disc: Preparing data for burn Opening session Opening track Writing track.

Closing track. Closing session.

Finishing burn Verifying burn Verifying.

I tried to burn a Solaris ISO to DVD and got a message stating the disk image is invalid.

This used to work by just right clicking on the image and choosing burn disk image.

The weird part is that I could mount it and then burn it, but in reality if you could mount it and burn then you should also be able to burn it without mounting.

This will separate the encoding process from the burn process.

To check the encoding mount the disk image, launch DVD Player and play it.

Then burn to disk with Disk Utility or Toast at the slowest speed available (2x-4x) to assure the best burn quality.

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Dvd Burner For Mac Yosemite