A writable disk is required. : (-69772) - NVMe SSD Upgrade
I have iMac Late 2013 model and it didn't have SSD installed by default so I have decided to upgrade it with NVMe SSD.
For this purpose, I have purchased 2 devices:
All setups got completed properly and worked for around 1 week without any issue. One day I decided to transfer my whole work data to an installed SSD because it was almost empty.
During this copying process around 120GB of data get transferred but suddenly it gets stuck with some error. This is my current situation of installed NVMe SSD, I have recorded a video for this and uploaded it on Google Drive:
It is stopped me to write something on it so I have decided to format this but it giving me Writable Disk Required king of error message
I have read different posts related to similar issues but everyone is struggling so I have decided to create a new post with all my recent information.
Adapter and SSD both I have purchased new from Amazon. I don't know why this kind of problem occurred whether it's because of heavy data transfer in one shot.
Please share your opinion so I can solve this problem.