Updating Yosemite 10.10.5 to El captain of evil

I am running OS X Yosemite 10.10.5 on a MacBook Pro of the retina. I tried to upgrade to El Captain but apparently failed, because once the download is complete, no changes took place on the system. All other attempts to upgrade again remained impossible: on the update page, Captain of El status is: "Downloaded" and the system to run away as if do not have access to the file, without error message.

The Mac App Store shows that OS X El Capitan is downloaded because the installer is in your Mac, but you have not yet improved. Go to the Applications folder and you will find the installer for OS X El Capitan, then open it and follow the steps. Be sure to connect the Mac to the power adapter before you start the upgrade to OS X El Capitan.

Apart from this, I recommend you make a backup of your files before the upgrade in case you want to downgrade to OS X Yosemite.

Tags: Mac OS & System Software

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