Ahh after several attempts: In case anyone has the same problem: the following is really a simplification of what actualy happened.
Frst the 960GB SSD disk was seen in device manager but not recognised in disk management. I detatched/ reatatched the cable by the sata terminal. Disk management saw the disk as 0 but would not initialise and give it a partition table GPT since the disk had 0MB, I disabled the device then reenabled it now Disk management said the I had a disk with GB but that it was write protected. I uninstalled the SSD in Device Manager, rebooted, pluggged the device in, then attatched/ reattatched cable on the SATA terminal. Windows now saw the SSD and initialised with GPT when prompted. The EGV 4 cloning took approx 20minutes.
jph1
Lenov0 Z50 16gb RAM Windows 10 IntelCore i5 4210U