Thanks for the help guys!

I using Macrium Reflect to clone each of the partitions to the SSD so that they were the correct size and in order. Rebooted the PC without just the SSD and it worked!
...

Hi jimbo45

Thanks for the suggestion, I will give this a go

Okay, so I have attempted to copy the EFI system partition but without success. I created the partition and then did a copy of the EFI however when trying to boot the SSD on its own it errors again,...

Okay, I have shrunk the partition, how do I go about copying just the EFI partition over?

Thanks for the reply. Here is the disk management for my PC, Disk 0 is the SSD, Disk 1 the HDD.7594275942

I recently purchased a Sandisk 120GB SSD to use for running my OS from. I formatted the disk as normal then ran the EaseUS todo backup to clone the data. The cloning seemed to be successful as the...