I opened up my Seagate Expansion Drive (3TB) to get to the hard drive itself. I wanted to use it in my PC and access it through SATA. But I cant mount the drive on linux. If I try to access it through windows with another SATA/USB-Adapter, Windows says, that the drive has to be formatted before using. Accessing through the SATA/USB-Adapter from the Seagate Drive works fine.
How can this behaviour explained and how can I get the drive working in my PC?