How to Create an OS X Installation Disk: Important Update

How to Create an OS X Installation Disk: Important Update

Every time Apple release new major versions of OS X I create a video showing you how to create a boot disk from the downloaded installer. Most of the time once you've checked the boot disk works you can safely leave it in a drawer until the fateful day you need it! However, an issue with a certificate means that if you don't do something about it now that carefully made boot disk will not work when you need it most.

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