Mac owners rarely experience any problems with their computers. Apple has ensured that users just worked and was not looking like will cope with the next bug. Unfortunately, sometimes problems do occur.
If you are faced with the problem of “eternal” loading macOS after entering the password, and reinstalling macOS without deleting the content and booting in safe mode did not help, we suggest you another way.
First we need to know what causes the “infinite” loading hardware or software. In the first case it is necessary to address to experts, in the second, it is possible to cope on their own. Since the hard drive is in working condition:
This operation creates an image file of your system disk. You will be able to mount a disk in the system, but to boot the computer fail.
After you have copied all the information, clear the system partition. When you restart your Mac to start recovery mode via the Internet. After loading the computers using Disk utility, restore all your data by selecting the system drive and clicking “Restore”.
If after the restore the problem persists, most likely, cause is installed software. In this case, go back to recovery mode and perform a clean installation of macOS. After your computer restarts, do not restore the previously created image. Instead, open the “migration Assistant” and put only the programs, data, accounts and settings of the computer and network.
After that, your Mac should boot without problems. If you need some data, you can always copy them from an external hard drive.