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1. How to reinstall mac os yosemite mac os x#
2. How to reinstall mac os yosemite install#
3. How to reinstall mac os yosemite full#
4. How to reinstall mac os yosemite software#

Best of all, this will work with Lion, Mountain Lion, Mavericks, Yosemite, and El Capitan. With just a few clicks of some buttons and your Mac is gonna be running like it did the day you got it. Thankfully, the geniuses over at Apple have made the process easy for us-no need for a disc no need for a drive-all you need is a decent internet connection. Often, the best option to fix these problems would be to reformat your computer and reinstall your OS, but since most of us don't plan on ever taking this drastic measure, we don't obtain a recovery disc or thumb drive. In other cases, your Mac can be experiencing some major malfunctions: constant crashing, locked controls, slow boot times, missing files, etc. At one point, I realized that there were plenty of files on my Mac that I didn't need any more, but too many to delete individually.

How to reinstall mac os yosemite software#

You may verify these requirements by reviewing your OS X Software License.As I've said before, slowing down is not an option for me. You need to repartition the hard drive as well as reformat it this will assure that the Recovery HD partition is removed.

How to reinstall mac os yosemite install#

In the case of the latter you should install the original version of OS X that came with your computer.

If you purchased Lion or Mountain Lion from the App Store then you cannot transfer your license to another party. *If your computer came with Lion or Mountain Lion pre-installed then you are entitled to transfer your license once. Select Reinstall Lion/Mountain Lion and click on the Install button.Ĩ.

How to reinstall mac os yosemite mac os x#

Quit DU and return to the Mac OS X Utilities window.ħ. Click on the Erase button and wait until the process has completed.Ħ. Set the format type to Mac OS Extended (Journaled.) Optionally, click on the Security buttonĪnd set the Zero Data option to one-pass.ĥ. After DU loads select your startup volume (usually Macintosh HD) from the left side list.Ĭlick on the Erase tab in the DU main window.Ĥ. Select Disk Utility from the Mac OS X Utilities window and click on the Continue button.ģ. Restart the computer while holding down the COMMAND and R keys until the Mac OS XĢ. I suggest using Ethernet if possibleīecause it is three times faster than wireless.ġ. Note : You will need an active Internet connection. Lion and Mountain Lion (if pre-installed on the computer at purchase*)

Upon completion DO NOT restart the computer.ī. Optionally, click on the Security button and set the Zero Data option to one-pass.ĥ. Select Disk Utility from the Utilities menu repartition and reformat the internal hard drive. Restart the computer while holding down the C key to boot from the CD/DVD.ģ. Insert the original OS X install CD/DVD that came with your computer.Ģ. Snow Leopard and earlier versions of OS Xġ. Disable iCloud, if enabled: See What to do with iCloud before selling your computer.Ī.

How to reinstall mac os yosemite full#

Turn the brightness full up and volume nearly so.ĥ. De-authorize the computer in iTunes! De-authorize both iTunes and Audible accounts.Ģ, Remove any Open Firmware passwords or Firmware passwords.ģ. Step Two - Prepare the machine for the new buyer:ġ. If you are prompted about creating a clone of the Recovery HD be sureĭestination means a freshly erased external backup drive. Select the Destination volume from the Select a destination drop down menu on the right side.Ĥ. Select the Source volume from the Select a source drop down menu on the left side.ģ. Clone to an external drive using using Carbon Copy Cloner.Ģ. They cannot be in their "fast saved" state. If you have any Virtual PCs shut them down.

You will start be completely erasing the drive and installing the original version of OS X that came with the computer.įollow these instructions step by step to prepare a Mac for sale :Ī. To determine what to do see the following. Yosemite may be free to purchase, but it's installed under another's Apple ID so you cannot include on the computer when you sell it or give it away. As I stated you must install what came on your computer when it was new.