Mac hard drive error message may occur rarely which certainly a clear indication of all is not fine in hard drive. No doubt Mac hard drive plays very integral part in the proper functioning of the system. Normally the drive works without any problem but due to some unpredictable reasons mac hard drive error message come across that raises various problems for Mac users. Although you could experience hard disk error in several form including catalog error message, volume header error and other similar messages. In consequence of that you wouldn't be able to access volumes and even more there may be data inaccessibility occur due to mac hard drive error message. Now let's move into solution and minor drive issues can be resolved with disk utility. So that use this utility for resolving the issues incorporated with hard disk. But if the problem related to hardware, consult for hardware repairing. In case of data loss you can consider latest drive backup if available in other external drive. But unfortunately backup is not available then opt third party Mac Data Recovery Software immediately in order to restore lost, inaccessible or corrupted data from Mac hard drive. Hence, mac hard drive error message can be resolved successfully through this way.