The drive is an internal drive, it is the drive that shipped with the mac. However, if you restore your backup of the amework file and perform a permissions fix on the boot drive with Disk Utility, then you should have full original function again. At most you may find you've prevented DVD playback on all devices for specific programs. Therefore if something goes awry you will not alter the stability of OS X. Then restart the system and you should now be able to play DVDs off the external drive using DVD Player.Įditing system files may seem like a risky step, but the file being edited here is the framework for DVD video playback, which is only a library that is invoked by programs that play DVD video off of discs and that are built using this framework. Close the file once saved, and then run a permissions fix on the boot drive using Disk Utility.If you cannot edit the text with your program, then locate the hex code for the word "Internal" (which is "496E7465726E616C") and replace it with the hex code for the word "External" (which is "45787465726E616C"). Using the editor's searching options, search for the text "Internal" and replace all occurrences of it (there should be four) with the text "External" and save the file.
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