Solutions for device becoming offline after replacing the harddrive.*END
Description
Can't connect using the Web or Mobile App after inserting a hard drive.
Used Drives
My Cloud Home Duo does not support a hard drive with a format, partition, or data.
Empty Drives
It will stay offline with a breathing LED until the volume is done.
The rebuild can take 48 hours or more depending on the size of the drive and the number of files.
Resolution
Drives must be new or fully erased.
Need more help?
Answer ID 10850: How to Fully Erase, Low-Level Format, or Write Zeros on a Drive
The LED will revert to solid white when the process has finished.
Need more help?
Answer ID 18042: What Does a Blinking Front LED Mean for WD My Cloud Home?