You must take notice of the bad hard drive symptoms Mac because if the Mac drive crashes abruptly you may lose all your important files saved in it. If the symptoms are caught earlier then will be able to make the backup of the file before the crash of the Mac hard drive. Many a times some of the files starts strangely disappearing which is because of the increasing number of the bad sectors in the drive, if there was any error in the partition earlier then it can lead to the crashing. There can also be any hardware issue where you can here any clicking and buzzing sound which is a clear indication that the drive is going to crash. When the bad hard drive symptoms Mac is caught the you should immediately make a recovery disk and copy all your data. In case you didn't get the time to do that then you can try to use the time machine which may restore some of the data. But for full recovery you can use the Mac data recovery software when the drive has been fixed. You can scan the drive and all the recoverable files will be presented in the preview for you to recover. So look out for bad hard drive symptoms Mac and use the software to get back Mac data.