by

Cannot Reinstall Os X El Capitan

You must remove any software downloaded from the app store or the buyer will be working with a pirated OS which will present problems. Use Internet recovery - Command + Option + R - then use its disk utility to erase your hard drive and then choose to reinstall the OS. Reinstall El Capitan. Now that the macOS Sierra has been erased from your drive, you will need to re-install the OS X El Capitan. Re-install OS X from OS X utilities and choose the OS X El Capitan Installer.once the process is complete, restart the Mac. Invoke Recovery mode while the Mac is starting up by pressing together the Command + R keys. Reinstall macOS. Select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions. Follow these guidelines during installation: If the installer asks to unlock your disk, enter the password you use to log in to your Mac. If the installer doesn't see your disk, or it says that it can't.

Cannot Reinstall Os X El Capitan Software

ReinstallCannot Reinstall Os X El Capitan

You probably tried reinstalling your MacBook laptop and encounter this error message “An Error Occurred While Preparing the Installation. Try running this application again.”, because of this you’re not able to reinstall your OS either macOS Sierra, OS X El Capitan, OS X Yosemite or the older version.

This problem occurs because your Mac laptop reset it’s time due to some instances (Your Mac didn’t turn on for several days or battery exhaustion) – so when you tried connecting to apple, the server refuse your request on downloading the OS because your time is out of date.

Capitan

To fixed this error you have to set the time up to date.

Cannot Reinstall Os X El Capitan Update

How to Fixed An Error Occurred While Preparing the Installation:

  • Open Utilities > Terminal
  • Then enter the date command to the terminal the format should be date [month][day][hour][minute][year]:
    • date 0101104317
  • on the above example its January, 1 2017 – 11:04 – you should change this to the current time.

Reinstall Mac Os El Capitan

That’s it everything should work now, try Installing your new OS again and it should proceed without problem.