Hello everyone, I have issues to mount a partition of my Thoshiba, I have tried everything, repair permissions, mount manually, change port, cable, using an usb 3.0 adapter from thunderbolt but nothing. It's a toshiba usb 3.0 2TB on my mbp late 2011. It's been work since I upgrade my OS on sierra. I'v read some issues with sierre to read HD but with the update it's been fixed as they posted. Any suggestions of how I can fix this? Thanks all