How can I get my computer to recognize this boot disk?

Hello

I followed the instructions on how to create an installer for OS X El Capitan bootable. I've set up on a USB key.

But how do I get my computer to recognize it as a bootable disk? If I go into system under the startup disk Preferences, it is not there. If I restart the machine by pressing the Option key, it does not an option to boot from the USB key.

What should I do to get my machine to recognize it as a bootable disk?

The reason why I'm trying to do this is so I can disassemble the hard drive and run the disc utilities. Is there an easier way to do it?

Thank you

Bruce Fairbanks

Well, you can always use the recovery mode: starting with the down command + R right after the chime. Hold down the keys until you see a progress bar. Take some time to connect to the Apple servers. When you see a utility window, choose disk utility to check your drive.

What is the problem with your hard drive?

With regard to your USB key: what instructions did you use? You formatait the thing first of all it is bootable? I him did not because I prefer the bootable clones, so I can't be specific help with this.

Tags: Mac OS & System Software

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