For all those people who are using OSX version of the Mac operating system, they might have encountered the startup issues relating to it. In other words, when you try to access the data from the Mac hard drive, the computer is unable to boot up and any prohibitory signs or kernel panic is displayed on the computer screen. In that a situation, you face critical data loss.
Now the question arises why the system is unable to boot up and we are getting such startup issues in Mac OSX. The answer to this question lies in the malfunctioning of the operating system, damage done to the system data structure or Master Boot Record is corrupted.
In order to fix this startup issue in Mac OSX, three possible resolutions are mentioned below. You can use any of the below mentioned methods to reboot your Mac OS and make your lost data accessible to you.
The first method is to reset the NVRAM. Reset the Non Volatile Random Access Memory and once you do this, reselect the boot or the startup volume and your system will then start getting booting up.
The second method is to reinstall the Mac version that you are using. In this case, uninstall and reinstall the OSX version of Mac. In order to do this, try the Archive and then install the files.
Go through this 3 rd and last method only if the above 2 methods fail to boot up your Mac system. In this final method, erase and install the Mac file system. Doing so will erase all your corrupted files that is there on the Mac hard drive and your problem of non booting of the system is fixed.
However the files and other data that has been lost after the erasing and installing of the Mac files can be recovered using any good 3 rd party utility tool. Data Recovery Mac is a very good application tool that recovers and restores all your deleted data from the Mac hard drive right from emails and messages to contacts and important data.