Moving to a new Mac? Before taking these steps, you can use Migration Assistant to move your files from the old Mac to your new Mac.
Procedure First of all, please make sure that your Mac is turned off. Then please press the power button. Now you have to immediately hold down the command and R keys together. Please wait for some time until the Apple logo appears. Next, please select the “Disk Utility” from the OS X utility list. To Wipe your Macbook, set the format to Journaled. Now click on the Erase button. Wait for the process to complete, Once it is done choose The Quit Disk Utility option from the top left corner of your device screen. Select the disk you’d like to erase and click the ‘Erase’ button. Enter a name for the disk if it doesn’t have one. The rest of the settings are auto-configured so you won’t need to change them. When the MacBook restarts, press Command and Q to shut down the Mac. Then select the disk you’d like to erase or remove by clicking on it in the sidebar. Next, please click on the Erase button. Then click on the Security Options button. You will find the Security Options window includes a slider.
Create a backup
Make sure that you have a current backup of your important files. Best photo drawing software. Learn how to back up your Mac.
Sign out of iTunes in macOS Mojave or earlier
If you're using macOS Mojave or earlier, open iTunes. From the menu bar at the top of the screen or iTunes window, choose Account > Authorizations > Deauthorize This Computer. Then enter your Apple ID and password and click Deauthorize.
Learn more about deauthorizing computers used with your iTunes account.
Sign out of iCloud
If you're using macOS Catalina or later, choose Apple menu > System Preferences, then click Apple ID. Select Overview in the sidebar, then click Sign Out.
If you're using macOS Mojave or earlier, choose Apple menu > System Preferences, click iCloud, then click Sign Out.
You will be asked whether to keep a copy of your iCloud data on this Mac. You can click Keep a Copy, because you're erasing your Mac later. Apple macbook mouse pad not clicking. Your iCloud data remains in iCloud and on any other devices that are signed in to iCloud with your Apple ID.
Sign out of iMessage
If you're using OS X Mountain Lion or later, open the Messages app, then choose Messages > Preferences from the menu bar. Click iMessage, then click Sign Out.
Reset NVRAM
Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.
Learn more about resetting NVRAM or PRAM.
Optional: Unpair Bluetooth devices that you’re keeping
If your Mac is paired with a Bluetooth keyboard, mouse, trackpad, or other Bluetooth device that you plan to keep, you can unpair it. This optional step prevents accidental input when the Mac and device have separate owners but remain in Bluetooth range of each other.
If you're unpairing Bluetooth input devices from a desktop computer such as an iMac, Mac mini, or Mac Pro, you must plug in a USB keyboard and mouse to complete the remaining steps in this article.
To unpair a Bluetooth device, choose Apple menu > System Preferences, then click Bluetooth. Move your pointer over the device that you want to unpair, then click the remove (x) button next to the device name.
Erase your hard drive and reinstall macOS
Restore Macbook Pro To Factory Settings
The best way to restore your Mac to factory settings is to erase your hard drive and reinstall macOS.
After macOS installation is complete, the Mac restarts to a setup assistant that asks you to choose a country or region. To leave the Mac in an out-of-box state, don't continue setup. Instead, press Command-Q to shut down the Mac. When the new owner turns on the Mac, the setup assistant guides them through the setup process.
No matter the model or condition, we can turn your device into something good for you and good for the planet: Learn how to trade in or recycle your Mac with Apple Trade In.
I was recommended a 'clean install' (reset to factory defaults) by a user here to improve the speed of my MacBook Pro. However, attempting to follow the instructions provided (Figure 2), I am told that I cannot do so (Figure 1). How do I proceed?
I intend to bring my computer to the Apple Store to get the battery serviced and upgrade from 4 GB to 8 GB RAM, as two here recommended for El Capitan.
Figure 1. You can't use this version of the application 'Install Mac OS X.app' with this version of OS X. [El Capitan] You have 'Install Mac OS X.app' 23.1.1.
Figure 2. Installation Instructions from the Mac OS X Install DVD regarding restoring the computer to factory settings says to double-click the Install Mac OS X icon.
How To Properly Wipe Macbook
MacBook Pro, OS X El Capitan (10.11.3), 2.4GHzIntelCore2Duo;4GB 1067MHzDDR3
How To Fully Wipe Macbook
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