I bought a new Seagate BackupPlus portable drive and confirm it works on my PC, but when I attach it to MyCloud I get an error notification in screenshot below. I previously tried backing up to the old portable drive I had been using for backups, but the backup failed and I assumed it was a problem…

My Cloud won't accept attached USB drive

cat0w January 16, 2020, 5:01am 3

Have you looked at the User Manual for your generation of My Cloud. See Chapter 12.

WD MyCloud Gen 2 Won't Recognise WD MyBook 8TB USB