Have you noticed that your hard disk making clicking noises and inaccessible ? Are you became frustrated in this situation and worrying about the loss of data from hard drive on Mac? If yes then you arrived at the right place. Go through this post and find out the easiest way to fix this problem of hard disk making clicking noises and inaccessible. Usually it happen when the hard disk became too old. If this problem is coming in new hard drive then there must be some manufacturing fault or software and driver issue. Sometimes the logical reasons are behind this problem which can not be detected by the operating system. The most common cause of this problem hard disk making clicking noises and inaccessible is insufficient power supply. This happens due to connection of multiple devise with a single port. Failed hard drive is also causes this problem. In some cases due to fault in data cable and physical depreciation of hard drive can result this problem of hard disk making clicking noises and inaccessible. If this problem causes loss of your important data from hard disk and you don't have backup file then the Mac data recovery software is best solution. Using this software you can recover all the data in a quick time from your Mac system.