How to restore an imac computer?

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 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.

Also, how do I wipe out my IMAC and start over?

1. Start up your computer in macOS Recovery:
2. In the Recovery app window, select Disk Utility, then click Continue.
3. In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.

Correspondingly, how do I factory reset my Mac desktop 2021?

1. In the Apple menu in the top left corner of the screen, choose Restart.
2. 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.
3. Enter your admin password to confirm the action.

Quick Answer, what can I do with my old imac?

1. When is your Mac “too old”?
2. Recycle your old Mac with the Apple Trade In program.
3. Clean your Mac and get it up to speed.
4. Turn your Mac into a network-attached storage system.
5. Create an emergency Wi-Fi hotspot.
6. Install Linux on your Mac.
7. Back up your Mac.
8. Deauthorize and sign out of your accounts.

1. Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
2. When the Utilities window appears, select Disk Utility.
3. In the sidebar, choose Macintosh HD.
4. Click the “Erase” button, then select a file system format and enter a name for it.

How do I restore my iMac to factory settings without CD?

How do I factory reset my 2009 iMac?

1. Shutdown iMac.
2. Unplug power cord from back of iMac.
3. Press and hold power button for 20 seconds.
4. Restore power cord; power on iMac.
5. 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?

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.

Where is recovery mode on Mac?

1. Click on Apple logo at the top left of the screen.
2. Select Restart.
3. Immediately hold down the Command and R keys until you see an Apple logo or spinning globe.
4. Eventually your Mac will show the Recovery Mode Utilities window with the following options:

How do I make my old iMac run like new?

1. Clean up system files and documents. A clean Mac is a fast Mac.
2. Detect & Kill Demanding Processes.
3. Speed up startup time: Manage startup programs.
4. Remove unused apps.
5. Run a macOS system update.
6. Upgrade your RAM.
7. Swap your HDD for an SSD.
8. Reduce Visual Effects.

How do I destroy my iMac hard drive?

Just disconnect hard drive and unbolt. Not much of any tools required, and easy to do. Then you can just recycle the rest of the unit if you don’t want, and destroy hard drive by opening it and removing the disk platens (that look like silver CDs. Just lightly sand and scratch them up, and no one will ever read them.

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.

How long does it take to wipe a Mac?

I’d estimate anywhere from 1 to 5 hours would be the norm but it’s possible for it to take up to 12 hours. Make sure you erase everything securely before selling it so the buyer can’t recover your saved passwords. Several seconds if done properly: What to do before selling or giving away your Mac.

How do I remove previous owners from my iMac?

1. Select System Preferences from the Apple menu, click the Accounts icon, click the Lock icon, and enter your password.
2. Select Logout from the Apple menu.
3. On your new computer, triple-check that all the files for all accounts on the old machine have been transferred.

How do you wipe a computer clean to sell it?

1. Open Settings.
2. Tap System and expand the Advanced drop-down.
3. Tap Reset options.
4. Tap Erase all data.
5. Tap Reset Phone, enter your PIN, and select Erase Everything.

How do I factory reset my iMac g4 without CD?

How to Factory Reset an iMac Via the Recovery Partition. Restart the iMac and hold the “Command-R” keys while the computer reboots. Select and connect to a Wi-Fi network from the list if the iMac prompts you to do so. Choose the “Disk Utility” option from the list and click “Continue.”