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Old Nov 26, 2012, 07:48 AM   #1
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Making a USB SuperDuper! backup drive bootable

I bought an IOMega 2T USB 3.0 ext drive to do a backup. Got SuperDuper! and a few hours later I have a backup. I've looked at the files and all seems to be intact.

I did my OS upgrade SL 10.6.8 So that I can now buy ML for the next upgrade.

I wanted a HDD backup that I can boot to whenever I want/need to.

How to I make the USB drive bootable?

I see nothing in Disk Utilities or in SuperDuper!
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Old Nov 26, 2012, 08:01 AM   #2
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Old Nov 26, 2012, 10:18 AM   #3
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"How to I make the USB drive bootable?"

- Shut down Mac with external drive connected (but powered on)
- Press Mac's power-on button
- As soon as you hear the startup sound, hold down the option key and KEEP HOLDING IT DOWN
- In a few moments, the startup manager will appear.
- Use the tab key or arrow keys to select the backup drive, then hit the enter key
- The Mac should boot from the backup

This doesn't change the selection you have already made in the "Startup Disk" preference panel. If you restart a second time, the Mac will boot back to the internal drive.
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