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.
How do I reinstall my Mac completely?
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 on-screen instructions. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the on-screen instructions.
How do u reset a macbook?
Does reinstalling macOS erase everything?
No. Reinstalling macOS does not have to wipe all other data that you have stored. It is often recommended to reinstall macOS on top of the current installation. It is done from the Recovery partition using the same Command-R reboot.
How do you hard reset a macbook pro?
Does reinstalling Mac reset settings?
You can use macOS Recovery, the built-in recovery system on your Mac, to reinstall macOS. macOS Recovery keeps your files and user settings intact when reinstalling.
How do I reset my IMAC to factory settings without password?
Press and hold down the Shift key and click on the Restart option. Click on the Restart Anyway button, if prompted. Click on Troubleshoot > Reset this PC. From the Reset this PC screen, you can either choose to keep your files or proceed to remove everything.
How do I wipe my Mac without deleting apps?
It’s easy – just follow these steps so you don’t get lost along the way. Step 1 Open your Apple menu > System Preferences. Step 2 On the top left corner of your screen beside the Apple menu, click System Preferences > Erase All Content and Settings… Step 3 If prompted, enter your password.
How do I restore my old IMAC to factory settings?
From the Apple menu in the corner of your screen, choose System Preferences. From the System Preferences menu in the menu bar, choose Erase All Content and Settings.
How do I restore my Mac to factory settings to sell?
How long does it take to reinstall macOS?
As for how long it will take, that depends on a variety of factors but could be anywhere from 30 minutes to several hours, and you won’t be able to use your Mac during this time. When you’re ready, follow the steps below for reinstall macOS on your Mac.
Does reinstalling macOS fix problems?
You might need to remove some startup programs, run updates on your system, or clean out your storage drive to fix this issue. But if none of these fixes have an effect, reinstalling macOS can likely help speed up your system. This is especially the case if your Mac is approaching a decade of life.
What is the recovery key on a Mac?
A recovery key is a randomly generated 28-character code that you can use to help reset your password or regain access to your Apple ID. While it’s not required, using a recovery key improves the security of your account by putting you in control of resetting your password.
What happens if you erase your Mac?
You can erase your Mac and use macOS Recovery, the built-in recovery system on your Mac, to reinstall macOS. WARNING: Erasing your Mac removes all the information from it. Before you start, back up your Mac with Time Machine.
After the iMac shuts down completely but before it begins to restart, hold down the Command (⌘) and R keys at the same time. The Mac will display the macOS Utilities menu, from which you can reinstall Mac OS.
Hold down the Command and R keys as soon as you hear the Mac tone indicating a reboot. Wait for the macOS Utilities screen to appear, then click Disk Utility. Choose your Mac’s system drive, usually named Macintosh HD, then click Erase.
How long does it take to reinstall Mac in recovery mode?
If your internet connection drops or the process keeps failing, then you can use standard recovery mode instead. Again, depending on your Mac’s age and specification, the reinstallation will take between one and two hours on average. Once it is complete, it should boot up as normal.
Can you rebuild a Mac?
To rebuild your Mac OS computer’s desktop, start or restart the computer while pressing the Option and Cmd keys. Keep these keys depressed all the way through the booting process until the computer asks if you are sure you want to rebuild the desktop. Click Yes.
What happens if I erase Mac?
Erases your content and settings, and any apps that you installed. Erases all volumes (not just the volume you’re on). If you installed Windows on your Mac using Boot Camp Assistant, the BOOTCAMP volume is also erased. Erases all user accounts and their data (not just your own user account).
Hold down the Command and R keys as soon as you hear the Mac tone indicating a reboot. Wait for the macOS Utilities screen to appear, then click Disk Utility. Choose your Mac’s system drive, usually named Macintosh HD, then click Erase.
Can a locked Mac be unlocked?
After you locate your Mac, you can unlock it by entering the passcode that you created when you locked it with Find My. If you can’t remember that passcode, you have three options: Sign in to iCloud.com/find, then select your Mac from the Devices menu. Select Unlock and follow the steps to verify your identity.
