WD external drive is not seen by Windows or Mac and data on the drive is inaccessible


IMPORTANT Important: Always connect the drive directly to the computer prior to testing. Do not use a USB or FireWire Hub.

Name
Instructions
Windows 10, 8, 7, Vista, or XP Click here for Instructions
(instructions will appear below this table)
Mac OSX 10.5.x (Leopard), 10.6.x (Snow Leopard), 10.7.x (Lion),10.8.x (Mountain Lion),10.9.x (Mavericks), 10.10.x (Yosemite), 10.11.x (El Capitan), or 10.12.x (Sierra). Click here for Instructions
(instructions will appear below this table)


Please select an Operating System (OS) from the table above to display instructions for the specific OS running at time of troubleshooting.


In case the answer did not answer your question, you can always visit the WD Community for help from WD users.

Please rate the helpfulness of this answer