Check the USB cable.

Then check the disk using Crystal Disk Utility. See if there are bad sectors developing.

If it's a question of drive letter, I set the external USB drive to drive letter J. That way, no matter what else I plug in or remove, the BIAB drive is always drive J.


BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.