How exactly are you cloning the original HDD installed within the macbook to the newly purcahsed SSD? That is exactly what I am wishing to do. Lookign to connect the new SSD via USB to the macbook, clone the entire contents (and partitions??) to the new SSD, replace the new SDD with the old HDD by physically rmeoving the casing etc, then use the macbook as if it normal, only with a replicated SSD drive installed goin forward. The method prescribed by Crucial to do this has led me to the expeiencing the same problem as others have descreibed earlier in this post. From reading online, it seems there are problems with Mac High Sierra not being able to "restore" (assume this means clone) the internal opertaional HDD to the new SDD via Disk Utility due to formatting issues on the target SDD? Which step by step guide did you sucessfully use to clone an internal HDD to new SSD using Mac High Sierra? Again, all comments, assitance, guidance and pointers welcome.
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