I've been using Western Digital MyBook drives with SuperDuper! for years and have been able to start up from them using a FireWire interface without any issues.
However, I recently got a new iMac (lucky me) which doesn't have FireWire. I have therefore also bought a new USB3.0 WD MyBook Drive (I couldn't afford a Thunderbolt drive). I have successfully cloned my new iMac to this but don't seem to be able to start up from it. Am I doing something wrong?
I have the older FireWire drives attached to the iMac now as well (using a Thunderbolt to FireWire adaptor) and they seem OK, I just can't start up from the new USB MyBook.
Any suggestions?
Thanks,
Al.
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