In some point of time may be hard drive wrong portioning, header corruption, MBR file damaged etc would result in the emergence of no Mac HFS volumes found on this disk issue. Consequently the system does not boot and you can't access any file from the Mac. This is pretty difficult scenario which must be resolved early else the situation would be more painful. By the way it is quite tough to figure out the exact problem behind this issue but you can resolve no mac hfs volumes found on this disk. To do that it is good to repair hard drive through disk utility, alternatively running FSCK with safe boot is helpful in somehow or the other. However if the problem does not remove scenario it is suggested to format the drive and reinstall OS X from original disk. By doing so if there is any sort of data loss happen then backup can be used which is the nice way of retrieving lost data. Otherwise must look into other effective way where Mac Data Recovery Software perfectly fits. It is a complete and perfect solution that make sure successful restoring of Mac data in hassle free manner. Hope this way you can resolve no mac hfs volumes found on this disk.