You must be really frustrated when you get the error this drive has reported a fatal hardware error to disk utility on Mac. This particular error is likely to get encountered when you try to upgrade and add another hard drive in your older Mac system. May be the Mac OS X is not recognizing the hard drive or the version of operating system is too old to perform operation on the latest hard drive. In such cases to fix this drive has reported a fatal hardware error to disk utility you have to upgrade the operating system and if not possible format the drive and install the newer version completely. By this way the new hard drive will be recognizable and you can save data in it but while fixing this drive has reported a fatal hardware error to disk utility the data in the old drive will be deleted. You can recover it back if the backup copy is with you other you can use the Mac data recovery software that is compatible with all the version of the Mac OS X. So you can easily install and run it to perform the scan of the Mac drive. Now you just have to download and use it.