So your Mac PC is behaving like stranger, getting error when you start your OS X El Capitan. This happened due to system hard drive error. No No it not the time to get hipper, we can fix hard drive errors on OS X El Capitan. After the success of OS X Yosemite The Apple developer introduce someting new something advance for the MAC machine a next gen OS X El Capitan. Many Mac user have install this OS X El Capitan on their machine. Due to hard drive error they can't access their Mac system. To get access of system you have to fix hard drive errors on OS X El Capitan.
Mac OS X El Capitan is advance and newest next gen OS. The Apple developer adds advance feature package in OS X El Capitan. This feature package also bring many system's issues. This issues also cause the hard drive error. So it time to fix hard drive errors on OS X El Capitan. The hard drive error can be the reason that you can lost your important data from Mac PC. To get over from hard drive error issue's you can use Mac Data Recover Tool. This tool is programmed by computer experts to recover lost data and the yes main part is that is can also fix hard drive errors on OS X El Capitan without any more problem.