Generally, Hard Drive is used as primary place to store data on Mac. However, unexpected or inexplicable Hard Drive errors would always cause destructive Hard Drive data loss on Mac and bring great inconvenience to life. In that case, you must take preventive measures from the following 2 aspects.
Tips: If you've already lost data from bad hard drive on Mac, please skip to Aspect 2 directly.
Aspect 1: Be Aware of 10 Major Reasons that Lead to Failing Hard Drive
"My Mac kept making a repetitive chug-a-chug sound somehow, I didn't take much notice of it but later only to find that all data stored on the Hard Drive just disappeared! How can I recover data from a bad hard drive disk on Mac?"
Though Bad Hard Drive on Mac spoils hard drive data at a lightning speed, you can still avoid data loss from Mac if you back up hard drive data the moment the bad hard drive error occurs. Then you must be familiar with the following 6 major symptoms referring to bad hard drive.
A boot drive no longer boots.
Failed to read or write data to the drive.
The drive can't be recognized by the system all the time.
The file system always needs to be "Repaired" by Disk Utility.
The drive shuts itself off or the running applications lock up for unknown reasons.
Aspect 2: Perform Bad Hard Drive Data Recovery on Mac with Hindsight
If you're unfortunate enough to miss the best timing to back up hard drive data on Mac and get stuck in the dilemma of terrible Mac HDD data loss, you'd better figure out a way to recover lost data from bad hard drive on Mac.
Bad Hard Drive Data Recovery Software is just what you need as it enables you to recover photos, documents, videos, music and other 550+ file types from bad hard drive (whatever leads to failing hard drive) in Mac OS X. See the step-by-step tutorial below to learn how to get data off bad hard drive on Mac.
Step 1: Freely download Bad Hard Drive Data Recovery Software to PC first and then launch it after installation.
Step 2: Select the file types that you want to retrieve from bad hard drive and click "Next" to specify the location of that drive. After that, click "Scan" to start scanning lost data once stored on the bad hard drive.
Step 3: Then the software will list all scanned photos, videos, music, documents, etc. by category on the primary interface. Choose your desired files and click "Recover" to initiate Mac data recovery on bad hard drive.
After a while, you'll successfully recover lost data from bad hard disk. In addition, the software also supports Mac data recovery from external hard drive with bad sectors! And if you accidentally formatted partition on Mac, you can check how to perform formatted partition data recovery on Mac for reference.