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.
People ask also, how do I reinstall my Mac for resale?
- Restart your Mac.
- While the startup disc is waking up, hold down the Command+R keys simultaneously.
- Click on Reinstall macOS (or Reinstall OS X where applicable) to reinstall the operating system that came with your Mac.
- Click on Continue.
Correspondingly, how do I restore my IMAC to factory?
- While in Recovery mode, you won’t see your usual login screen.
- From there, choose Disk Utility.
- Click Continue.
- Choose the Macintosh HD disk from the list on the left.
- Click Erase.
- Now you need to choose a disk format.
- Select GUID Partition Map.
- Click Erase.
You asked, how do you wipe a Mac computer clean to sell it?
- Turn your Mac computer off.
- Press the power button to turn it on, then immediately press and hold Command (⌘) + R.
- After a few moments, the macOS Utilities window should appear — this is known as Recovery Mode.
- Select “Disk Utility” and click “Continue.”
As many you asked, what can I do with my old iMac?
- When is your Mac “too old”?
- Recycle your old Mac with the Apple Trade In program.
- Clean your Mac and get it up to speed.
- Turn your Mac into a network-attached storage system.
- Create an emergency Wi-Fi hotspot.
- Install Linux on your Mac.
- Back up your Mac.
- Deauthorize and sign out of your accounts.
Contents
How do I restore my iMac to factory settings without CD?
How do I do a factory reset?
- 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.
How do you restore Internet on a Mac?
- 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 you clear everything off a Mac?
- 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 2021?
- In the Apple menu in the top left corner of the screen, choose Restart.
- As the system is restarting, hold both the Command and R keys on the keyboard at the same time until you see the Recovery Mode window.
- Enter your admin password to confirm the action.
How do I factory reset my iMac 2015?
- Restart the Mac in Recovery Mode (hold down Command and the R key during restart).
- Use Disk Utility to erase the hard drive. Click on Disk Utility > Continue. Select the main volume and click Unmount then Erase).
- Click Reinstall OS X and Continue. Follow the instructions to reinstall Mac OS X.
How do I factory reset my iMac 2010?
- Insert the Mac OS X Install disc, then restart the computer while holding the C key.
- When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu.
- Click the Erase tab.
How do I factory reset my 2009 iMac?
- Shutdown iMac.
- Unplug power cord from back of iMac.
- Press and hold power button for 20 seconds.
- Restore power cord; power on iMac.
- Immediately on hearing Startup Chime, press and hold Command-Option-P-R keys (⌘⌥ P R)
How do I restore my Mac Air to factory settings?
- Hold down the Command and R keys on the keyboard and turn on the Mac.
- Select your language and continue.
- Choose Disk Utility and click Continue.
- Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.
How do you hard reset a MacBook pro?
- To force a restart your MacBook, you need to press and hold down the Command (⌘) button, the Control (Ctrl) key, and the power button at the same time.
- Hold these keys down until your MacBook’s screen goes blank and the computer restarts itself.
Can you update old iMac?
If you want to run , but your Mac is older than 2013/2014, the new macOS just isn’t for you, as far as Apple is concerned anyway. However, despite this it is possible to run newer macOS versions on older Macs thanks to a patcher.