Reset os x yosemite how to#
Reset os x yosemite mac os x#
Reset os x yosemite mac os#
Reset os x yosemite install#
Reset os x yosemite full#

Insert the hard drive used for Time Machine and choose to Restore from Time Machine BackupВ under OS X Utility, choose the inserted hard drive. Start or restart your Mac and hold command + RВ keys to enter the Recovery Mode, or hold the Option/AltВ and then choose the Recovery option. If you haven't created such a backup, please jump to Method 2 to downgrade Mac OS. So if you have created backups for your Mac data and macOS, follow the below steps for a guide.

Reset os x yosemite mac os#

This method is designed for those users who have used Time Machine to back up their Mac data including the Mac OS when it was running the previous old system. оќ Notice: This method applies to downgrade macOS: Big Sur to Catalina, Catalina to Mojave, Mojave to High Sierra, High Sierra to Sierra and downgrade Mac OS X: Yosemite to El Capitan, etc.

Reset os x yosemite mac os x#

Downgrade macOS or Mac OS X with Time Machine

Here, you'll find two methods for you to downgrade macOSВ without losing data and you can choose either one as a guide. After backing up all data, then you can start to revert macOSВ with ease.

Open the Mac disk and click 'Users'В file folder > Select all files and data that you want to back up and drag to the My Backup file folder.

Open the backup disk and create a file folder and name it, for example, 'My Backup'.

ClickВ 'Finder' > 'Preference' > Check 'Hard disksВ box' under Show these items on the desktop.

If you prefer to use Time Machine, here are the details: You can either choose third-party Mac backup software to back up Mac data to an external hard drive at once or choose Time Machine to back up all wanted data with ease.Д¬onsidering data security, it's also highly recommended for you to backup all important data into an external hard drive.

It's highly recommended for you to back up all important Mac data first before you start downgrading Mac OS to an older system. Tip: Backup Mac data before downgrading macOS or Mac OS X Methods on this page can be applied to all Mac systems including the latest Big Sur, Catalina, Mojave, High Sierra, Sierra, and old Mac OS El Capitan, etc.

Reset os x yosemite full#

Full stepsДЄfter reverting macOS or Mac OS X, run EaseUS Mac file recovery software > Scan and recover lost data. Full stepsД«ack up data first > Plug in USB and launch Disk Utility > Erase USB > Rename it as 'My Volume'. The installer should automatically restart your Mac once finished.Start Mac and hold Command + R keys > Enter Recovery Mode > Insert Time Machine drive. On my (not very fast) connection, it took a few hours to download and reinstall OS X. Select Reinstall OS X.Д¬lick through the next few windows. You should be returned back to the OS X Utilities screen from above. (Older versions of OS X may require physical media.) You will also need your Apple ID. You will need an internet connection for this, as OS X will be downloaded as it installs.

Reset os x yosemite install#

Once finished, we can then install a clean copy of OS X on our Mac partition. Then, under Format, select Mac OS Extended (Journaled). On the left, select your Mac partition вЂ“ i.e. To erase your Mac partition, restart your computer, and hold Cmd+R while it restarts. This is because your Mac should have a separate hidden вЂrecoveryвЂ™ partition, so even when you erase your Mac partition, your computer will still be able to re-install itself with a fresh copy of OS X later on. The best way to do this is to erase OS X and then re-install it.Д®rasing your partition is quite safe вЂ“ youвЂ™re not going to brick your machine. We want to force OS X to do a clean installation, not to just вЂrepairвЂ™ or вЂrestoreвЂ™ itself. This should not take long вЂ“ it took seconds on my Air.ДЄnd thatвЂ™s it! Windows is now gone.

The next screen should show how your hard drive will look once the Windows partition has been returned to the Mac partition. Select Remove Windows 7 or later version and click Continue. Your Mac data and istallation will be untouched, and the free space created will be added to the Mac partition.Д«oot OS X. This will remove the Windows partition, and restore your Mac back to its one-partition state. We can use Boot Camp Assistant to remove Windows first. This process assumes you have OS X Yosemite installed, though the process should be similar for other modern versions of OS X. There is no one-click solution to wipe and restore your Mac. This is a drastic solution that I only recommend if, for example, you are selling your computer. This will obviously remove all of your personal data, so make sure youвЂ™ve backed everything up you want to keep, because it will all be gone by the end.

Reset os x yosemite how to#

Are you looking to wipe your Mac back to factory settings, and have a Windows installation you also want removing? This guide will show you how to restore a Mac back to its as-new state, with the Bootcamp Windows installation and its partition gone.