Mac hard drive failures can mean loss, damage or corruption to essential data, applications or system software which is placed on that particular hard drive, it can also diminish your Mac system. However, there are some symptoms which suggests that in near future you have to deal with Mac Hard Drive Failures. You can also identify these signs such as if your Mac frequently slows down or crashes, there could a clicking sound coming from the hard drive or you might get permissions denied error message while accessing certain files and folder which were previously accessible then it means that your Mac hard drive is about to fail. You can also test your drive if its working properly or not by checking its SMART status which stand for Self Monitoring, Analysis and Reporting Technology. If any component of SMART not works it will instantly report you. This task can be performed at any given point of time by using Disk Utility tool which is an inbuilt application provided by apple to rectify Mac system issues. However, if you have already done that and encountered Mac Hard Drive Failures then don't worry, there's good news for you as nothing is lost. First of all stop using the drive and then opt for a reliable third party tool .i.e Mac Data Recovery Software to extract files form Mac Hard Drive Failures. This tool is extremely efficient to recover data from Mac Hard Drive Failures in simple steps.