First, See How Mac Recognizes a WD External Hard Drive After it has scanned the data on your unrecognized WD hard drive, you can have a preview and click the Recover button to get all the files back. If no, recover data with some data recovery software, such as iBoysoft Mac Data Recovery. If you have a backup of the WD hard drive, you can feel relaxed to try the following fixes. To avoid permanent data loss after trying some ways to fix the unrecognized WD drive, it is recommended to restore files from the drive first. Get files off the WD hard drive not recognized on MacĪs the data on the unrecognized WD hard drive is inaccessible, it can't be copied and backed up now. Fix WD hard drive not recognized issue on Mac Get files off the WD hard drive not recognized on Mac