I reformatted drive (again) and wiped it. Appears to work now. Thanks for the help. Will check back if other problems.

Don't have model. It is generic and not the same case as the HDD. HDD is an external unit with its own case and interface. It appears it doesn't like the SSD, WD 500GB SSD. I will reformat the drive...

Works-WD Passport HDD 1TB - external in a WD provided SATA to USB conversion case Doesn't work - WD Blue 500GB SSD in a SATA to USB conversion case - runs on PC

My router has two USB ports. When I use an HDD (1TB, basic, NTFS), it works fine. When I use an SSD, it doesn't. Sometimes it doesn't allow me to map to the correct volume. When I use an SSD with one...