In the SuperDuper screen, you will see three drop downs. The new drive will erase within a few seconds and your drive is now ready for cloning.ĭon’t worry – you cannot erase your existing hard drive with Mac OS X installed on it, as it is the drive you have booted from and is therefore locked.ĭownload SuperDuper. Double check the Volume Format is “Mac OS Extended (Journaled)” and give it a name (or leave it as it is). You will see five tabs across the middle of the screen: select “Erase”. Down the left hand side Disk Utility will show both drives. Once the Mac is booted, you will need to format the new drive into a Mac format in Disk Utility (in the Utilities folder inside the Applications folder). If your enclosure needs to be plugged into a power source, do this and then switch it on. Plug it into your Mac, and switch the Mac on. a copy of SuperDuper įirst, put your new drive hard drive enclosure.a FireWire or USB enclosure for the drive (not necessary if you have a Power Mac with room for another internal drive).a Mac with Mac OS X Tiger or Leopard installed.So for anyone new to cloning, here is how to do it.Ĭloning makes a complete bootable copy of your hard drive onto another drive.

He was about to reinstall OS X when I suggested cloning.īeing a PC user, he was new to the idea, so I emailed him some instructions, and it worked with no problem. We installed Mac OS X 10.4 Tiger on it, and then he got a larger hard drive. Is there an easy solution to this? I'm not super comfortable in terminal or complex workarounds, so I'd prefer simplicity if it exists and someone is familiar with this error.A mate of mine who has only been using Macs for a few weeks has been using a PowerBook G3. Running bless to place boot files failed.' I had to create a 5GB partition to the main HDD to be secure it wouldn't do this again, and it at least would let me start the process.Ģ) When running the clone operation, it starts, but then after 2-3 hours and nearing the end will stop and provide an error: ' You can't change the startup disk to the selected disk. I cannot do it within Disk Utility, and two issues occur or keep occurring:ġ) For some strange reason, the SSD's formatted size somehow got smaller than the HDD by like 100MB, and the clone operation wouldn't even begin. I upgraded to Mojave (10.14.6), and am trying to set it up to clone again so I can dedicate the external SSD as the new boot drive. When I had high sierra, I was able to do this without issue in the Disk Utility.

I have a 27in late 2012 iMac that I'm trying to clone it's 1TB HDD to a 1TB samsung QVO.

Clone imac hard drive to ssd