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.
Moreover, how do I set my old IMAC back to factory settings? Turn on your Mac and immediately press and hold these four keys together: Option, Command, P and R. Release the keys after about 20 seconds. This will clear user settings from the memory and restore certain security features that may have been altered previously.
In regards to, how do I format my Mac Yosemite?
Additionally, how do I reset my Mac to original operating system? 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.
Considering this, how do I wipe my Mac and start fresh from factory settings?
- Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
- When the Utilities window appears, select Disk Utility.
- In the sidebar, choose Macintosh HD.
- Click the “Erase” button, then select a file system format and enter a name for it.
How do I factory reset my iMac 2012?
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. Select the Format option Mac Extended (Journaled) or APFS.
How do I erase my Mac?
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 format my 2009 iMac?
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.
How do I factory reset my Mac using terminal?
- Restart your Mac.
- Hold down the Command ⌘ + R keys as the Mac begins to restart.
- Choose Utilities and Terminal from the macOS Utilities window.
- Type: xartutil –erase-all and press Return.
- Type yes and press Return once more.
- Choose Terminal and click Quit.
Can you revert to old operating system on Mac?
Assuming your Mac originally came with an older version of macOS installed on it, downgrading is fairly easy. You can use the built-in macOS Recovery tool to downgrade. Just make sure you have internet access during the installation, as the software will download a previous version of macOS.
Does reinstalling Mac delete everything?
Answer: A: 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.
Can’t find Erase all content and settings?
Usually, everything could be just done by one step on iPhone. Go to iPhone Settings > General > Reset > Erase All Content and Settings. Enter your passcode, confirm you would like to erase the device, and then your device would become empty. Don’t forget to backup iPhone to computer before you erase iPhone.
How do you delete all files on a Mac?
- Choose Apple menu > About This Mac, click Storage, then click Manage.
- Click a category in the sidebar: Applications, Music, TV, Messages, and Books: These categories list files individually. To delete an item, select the file, then click Delete.
How do I restore my IMAC to factory settings without CD?
How do I wipe my IMAC before recycling?
- Shut down your Mac.
- Turn on your Mac and immediately press and Command and R.
- You may be prompted to select a user and log in with the password for that account.
- From here, you’ll be presented with a utilities window.
- Select Macintosh HD from the sidebar.
- Click Erase and input a new name and format.
Is a 2009 iMac still good?
Apple considers 2009 iMacs as “Obsolete” and so should you. Many newer applications won’t even load or run on an 11 year old computer. This would include modern web browsers and that would make your computer and personal data at risk. You online meeting and university software may not work either.
Where is recovery mode on Mac?
Keep holding until the described behavior occurs. Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the internet. macOS Recovery installs different versions of macOS, depending on the key combination you use.
How do I downgrade my Mac without Time Machine?
- Download the installer for the macOS version you want to install.
- Once downloaded, don’t click on Install!
- Once done, restart your Mac.
- In Recovery mode, select “Reinstall macOS” from Utilities.
- Once done, you should have a working copy of an older version of macOS.
How do I roll back my Mac update?
This is one of the easiest ways to downgrade your Mac: Restart your Mac, while holding down the ‘Shift+Option+Command+R’ keys. Once you see the macOS Utilities screen, select ‘Reinstall macOS’ and then click ‘Continue.
How do I downgrade my Mac to Big Sur?
- For Apple Silicon M1 Mac:** restart the Mac and boot from a macOS Big Sur installer USB drive by connecting the USB installer to the Mac and holding the Power button to select the macOS installer from the boot menu.
- Choose to “Reinstall macOS Big Sur” on the Mac and go through the installation steps.
What does command-r do on Mac?
Command-R restores the latest macOS that was installed on your Mac without upgrading to a later version. Option-Command-R upgrades to the latest macOS that is compatible with your Mac. Shift-Option-Command-R restores the macOS that came with your Mac or the version closest to it that is still available.
Should I restore from Time Machine or reinstall macOS?
If you use Time Machine to back up your Mac, you can recover your files if your system or startup disk is damaged. Important: You must first reinstall macOS on your Mac before you can restore your files using your Time Machine backup.
What happens when I reinstall macOS?
It does exactly what it says it does–reinstalls macOS itself. It only touches operating system files that are there in a default configuration, so any preference files, documents and applications that are either changed or not there in the default installer are simply left alone.
Can’t find Erase all content and settings on Mac?
- Launch System Preferences.
- Click System Preferences in the menu bar and select Erase All Content and Settings.
- Enter your admin password when prompted.
- Click Continue to confirm that all items will be erased.
- Enter your Apple ID and password if prompted to sign out.
Where is erase assistant on Mac?
- Choose Apple menu > System Preferences.
- In the menu bar, choose System Preferences > Erase All Content and Settings.
- In Erase Assistant, enter your administrator information.
- Review items that will be removed in addition to your content and settings.
- Click Continue, then follow the onscreen instructions.
Is clean my Mac safe?
CleanMyMac X is a safe, all-in-one Mac cleaner that removes gigabytes of unnecessary junk and malware. How safe is it? Well, it’s notarized by Apple, has a Safety Database, and is safe enough to earn some serious awards from the Mac community.
How do I restore my Mac without recovery mode?
If your Mac is missing a Recovery partition, then you may be able to restore it, by resetting your PRAM. To reset the PRAM, restart your Mac while holding down the ‘Command+Option+P+R’ keys until you hear macOS’ distinctive startup chimes for a second time.
What can I do with an old white IMAC?
If the Mac is no longer functional, or if it’s too old, you can recycle it. Apple’s recycling program will take any of your devices and recycle them. They may even give you a gift card if the computer still has some value.
How long does it take to erase IMAC?
The erase progress box indicated that the erase would take 1 hour and 30 minutes.
Why does my Mac have Macintosh HD and Macintosh HD data?
macOS Catalina runs on a dedicated, read-only system volume called Macintosh HD. This volume is completely separate from all other data to help prevent the accidental overwriting of critical operating system files. Your files and data are stored in another volume named Macintosh HD – Data.
How much is a 2009 iMac worth today?
According to www.everymac.com the estimated value is $700 to $900. Similar to selling a car, it will very according to location, condition and extras. When you do sell it be sure to prepare it for sale according to this Apple document: What to do before selling or giving away your Mac – Apple Support.
Are old iMacs worth anything?
Depends on where your at and it’s condition, generally they range from around $350 to $500. Have a look at this site. Find your model and you will see current retail value at the bottom. However, be aware that is shop price for a refurbished model with warranty.
How long will a 2009 iMac last?
Most tend to agree that an iMac will last a year anywhere from six to eight years. Good years too, not a few good years, then the problems start either. iMac performance is renowned for being consistent over the long-term. In order to extract the most, though, you’ll want to go with the higher-spec models.
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.
How do I boot into recovery mode?
Press and hold down the Volume Down button and keep holding it, then press and hold the Power button as well for a few seconds, and let go when you see the Android mascot on its back on screen. Use the Volume Down button to cycle through the options until you find Recovery mode and press the Power button to load it.
