How do I factory reset my Mac OS X?

How do I factory reset my Mac OS X?

How to Factory Reset a Mac

1. Restart Your Mac. First, restart your computer.
2. Open in Recovery Mode. Once the computer turns off, hold Command + R until the Apple logo appears.
3. Erase Your Data.
4. Reinstall MacOS.
5. Restore From Backup.
6. What’s New in macOS Big Sur.

How do I do a clean install of OS X Yosemite?

How to Perform a Fresh Installation of OS X Yosemite on a Mac

1. Back up the Mac with Time Machine or by manually copying your most important data to an external drive – never skip backing up your important data.
2. Attach the OS X Yosemite bootable installer drive to the Mac, then reboot as normal.

How do I wipe my Macbook Air Yosemite?

Erase the hard drive: Select Disk Utility from the main menu and click on the Continue button. left side list. Click on the Erase tab in the DU main window. the Erase button and wait until the process has completed.

How do I force restart Mac?

On just about every recent Mac I’ve ever owned, there’s a simple method of doing a force restart — just hold down the power button until the machine reboots. On old Macs, the power button was useful for a similar method — shutting off the Mac and then turning it back on.

How do I reinstall OSX without losing data?

How to Update & Reinstall macOS Without Losing Data

1. Start up your Mac from macOS Recovery.
2. Select “Reinstall macOS” from the Utilities Window and click “Continue”.
3. Follow the onscreen instructions to select the hard drive you want to install the OS on and start the installation.

How do I do a clean install of Yosemite with bootable USB?

Plug in your USB drive into the computer and open Disk Utility (in Applications). Select the USB drive from the left sidebar and click on Erase tab. Choose Mac OS Extended (Journaled) in the format box and let the name be Untitled (default). Now click on Erase button and wait until the format process completes.

How do I factory reset my 2009 IMAC without CD?

Select the hard drive on which Mac OS X is installed from the tree list on the left side of the window. Open the “Erase” tab. Select “Mac OS Extended (Journaled)” from the “Format:” drop menu and enter a name for the hard drive in the “Name:” text entry field. Click “Erase…” to clear all of the hard drive’s contents.

Is Mac OS Yosemite still available?

As a result, we are phasing out software support for all computers running macOS 10.10 Yosemite and will end support on December 31, 2019.