Install the latest version of macOS compatible with your computer: Option-Command-R. Reinstall your computer’s original version of macOS (including available updates): Option-Shift-Command-R. Reinstall your current version of macOS: Command-R.
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How do I completely restore my macOS X?
Restart your Mac. Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.
How do I format and reinstall macOS X?
Restart your Mac. Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.
How do I reinstall macOS X without disc?
Reinstall Your Mac’s OS Without an Installation Disc
- Turn your Mac on, while holding the CMD + R keys down.
- Select “Disk Utility” and click on Continue.
- Select the startup disk and go to the Erase Tab.
- Select the Mac OS Extended (Journaled), give a name to your disk and click on Erase.
- Disk Utility > Quit Disk Utility.
How do I boot my Mac into recovery mode?
Reboot your Mac. Hold down Option/Alt-Command-R or Shift-Option/Alt-Command-R to force your Mac to boot into macOS Recovery Mode over the internet. This should boot the Mac into Recovery Mode.
How do I do a factory reset?
How to perform Factory Reset on Android smartphone?
- 1 Tap Settings
- 2 Tap General Management.
- 3 Tap Reset.
- 4 Tap Factory data reset.
- 5 Tap RESET.
- 6 Tap DELETE ALL. Please be patient as phone resetting takes some time.
- 1 Tap Apps > Settings > Backup and reset.
- 2 Tap Factory data reset > Reset Device > Erase Everything.
Does reinstalling Mac delete everything?
Reinstalling Mac OSX by booting into the Rescue drive partition (hold Cmd-R at boot) and selecting “Reinstall Mac OS” does not delete anything. It overwrites all system files in-place, but retains all your files and most preferences.
Does reinstall macOS erase data?
Reinstalling macOS from the recovery menu does not erase your data. However, if there is a corruption issue, your data may be corrupted as well, its really hard to tell.
How do I restore my Mac without a startup disk?
How to use Internet Recovery to reinstall macOS
- Shut down your Mac.
- Hold down Command-Option/Alt-R and press the Power button.
- Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
- The message will be replaced with a progress bar.
- Wait for the MacOS Utilities screen to appear.
How do I reinstall Mac startup disk?
Restart your Mac, and press Command + R, while it’s restarting. Select Disk Utility from the macOS Utilities menu. Once Disk Utility has loaded, choose the disk you wish to repair – the default name for your system partition is generally “Macintosh HD”, and choose ‘Repair Disk’.
How do I restore my IMAC to factory?
To reset your Mac, first restart your computer. Then press and hold Command + R until you see the Apple logo. Next, go to Disk Utility > View > View all devices, and choose the top drive. Next, click Erase, fill out the required details, and hit Erase again.
How do I reinstall Mac OS from USB?
Reinstall macOS
Insert the USB drive and power up the machine. Hold the Option key as you do so, then release the Option key when a dark screen appears displaying your bootable volumes. Select the volume for your bootable USB drive, then click the up arrow or press Return. Your Mac will then reboot.
How do I restore my Mac using Disk Utility?
Restore a disk using Disk Utility on Mac
- In the Disk Utility app on your Mac, choose View > Show All Devices.
- In the sidebar, select the volume you want to restore, then click the Restore button .
- Click the Restore pop-up menu, then choose the volume you want to copy.
- Click Restore, then click Done.
What is the difference between hard reset and factory reset?
A factory reset relates to the rebooting of the entire system, while hard resets relates to the resetting of any hardware in the system. Factory Reset: Factory resets are generally done to remove the data entirely from a device, the device is to be started again and requires the need of re installation of the software.
Does a factory reset delete everything?
A factory data reset erases your data from the phone. While data stored in your Google Account can be restored, all apps and their data will be uninstalled. To be ready to restore your data, make sure that it’s in your Google Account.
Do Macs have System Restore?
Unfortunately, Mac does not provide a system restore option like its Windows counterpart. However, if you are using Mac OS X as well as an external drive or AirPort Time Capsule, a built-in back up feature called Time Machine may help you achieve your ends.
How long does reinstalling macOS take?
macOS generally takes 30 to 45 minutes to install. That’s it. It doesn’t “take so long” to install macOS. Anyone making this claim has clearly never installed Windows, which not only generally takes over an hour, but includes multiple restarts and babysitting to get to completion.
What is recovery mode Mac?
Recovery Mode is a special mode that loads macOS’ built-in recovery tools from a special disk partition that holds a recovery image along with a copy of the macOS installer.Scan, verify and repair connected drives with Disk Utility. Erase, install or reinstall factory-preloaded OS X version.
How do I reinstall OSX without Internet recovery?
Restart your Mac while holding down the ‘Command+R’ buttons. Release these buttons as soon as you see the Apple logo. Your Mac should now boot into Recovery Mode. Select ‘Reinstall macOS,’ and then click ‘Continue.