How do I reset my MacBook pro Yosemite?

Your Mac should be backed up regularly. Open System Preferences. Go to System Preferences, click the Erase All Contents and Settings button. Your Mac is fully erased by following the prompts.

How do I restore a Mac to its original macOS version?

How to revert to an old macOS using Time Machine

1. Start up your Mac and immediately hold down Command + R.
2. Continue holding both keys until you see the Apple logo or a spinning globe.
3. When you see the Utilities window choose Restore from Time Machine Backup and click on Continue.
4. Click Continue again.

How do I wipe and reset my Mac and reinstall OSX?

Boot into macOS Recovery

1. Power down your Mac if it’s on.
2. Press and hold the power button to turn it on and continue to hold it until you see the startup options.
3. Choose macOS Recovery.
4. Select Reinstall macOS.
5. Follow the prompts.

How do you force a Mac to restore?

Restart your Mac and hold down the Command and R keys to boot into Recovery Mode. On an M1-based Mac, press and hold the power button and wait for a relevant prompt. Recovery Mode lets you restore or reinstall your Mac.

How do I completely format my MacBook pro?

How to reset a MacBook Air or MacBook Pro

1. Hold down the Command and R keys on the keyboard and turn on the Mac.
2. Select your language and continue.
3. Choose Disk Utility and click Continue.
4. Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.

How do I restore my operating system from a hard drive?

Part 2. How to Recover Data from Corrupted OS Hard Drive

1. Select “System Crash Data Recovery”
2. Choose a USB drive mode.
3. Format the USB drive.
4. Create the bootable drive.
5. Choose the OS hard drive.
6. Scan the OS hard drive.
7. Retrieve data from hard drive.

Can I reinstall OS X Yosemite on a 2009 MacBook Pro?

With an erased 2009 MacBook Pro, as Patrick has, he can’t use Internet Recovery, which will reinstall the original operating system that came with the Mac. If that had worked, you could install that older OS, then copy the Yosemite installer, and use it to upgrade, although an intermediate OS X installation might even be required.

How do I reinstall macOS after recovery?

After starting up from macOS Recovery, follow these steps to install macOS: Choose Reinstall macOS (or Reinstall OS X) from the Utilities window. Click Continue, then follow the onscreen instructions to choose your disk and begin installation. If the installer asks to unlock your disk, enter the password you use to log in to your Mac.

Is it possible to download OS X Yosemite Through the App Store?

However, after he booted into OS X Recovery (holding down Command-R at startup), he was only offered the option to download OS X through the App Store, and Yosemite wasn’t an option. What path could he take forward? Recovery will reinstall the same version of OS X that was on your Mac, even though it’s been erased.

How do I restore my MacBook to factory settings?

To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following sets of keys on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen. Reinstall the latest macOS that was installed on your Mac (recommended).