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 restore my iMac to factory settings without CD?

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 restore my Mac without a startup disk?

How to use Internet Recovery to reinstall macOS (Intel Macs)

  1. Shut down your Mac.
  2. Hold down Command-Option/Alt-R and press the Power button.
  3. Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
  4. The message will be replaced with a progress bar.

Can you reinstall Mac without disc?

To reinstall your Mac’s OS without an installation disc you need to firstly make sure that you keep your Mac turned on during the whole procedure, and that your Mac is connected to the internet. Also, it is advised to make a time machine back up of your computer if possible before following the procedure.

How do I factory reset my 2008 iMac without a disk?

To do so, shut down your Mac, then turn it on and immediately press and hold four keys together: Option, Command, P, and R. You can release the keys after 20 seconds or so. That’s it! Your Mac’s NVRAM has been reset.

How do I completely wipe my iMac?

Use Erase All Content and Settings in System Preferences From the System Preferences menu in the menu bar, choose Erase All Content and Settings. Don’t see this option? Erase Assistant opens and asks you to sign in with your administrator credentials. Enter the password you use to log in to your Mac, then click OK.

How do I completely wipe my imac?

How do I wipe my Mac and reinstall from scratch?

Boot into macOS Recovery

  1. Power down your Mac if it’s on.
  2. Press and hold the power button to turn it on and continue to hold it until you see the startup options.
  3. Choose macOS Recovery.
  4. Select Reinstall macOS.
  5. Follow the prompts.

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.

How do I factory reset my 2006 iMac?

Run Disk Utility Run the Disk Utility in the Utilities window by clicking it. Click Macintosh HD, then click Erase to erase the data on your hard drive. Click Quit Disk Utility when the erase success message appears.

How do I return my iMac to factory settings?

How to Factory Reset a Mac or MacBook (macOS Monterey)

  1. Click the Apple icon in the menu bar (top-left corner).
  2. Select System Preferences from the drop-down menu.
  3. Select ‘Erase All Contents and Settings. ‘
  4. Enter your password, select ‘OK. ‘
  5. Select the ‘Erase All Content & Settings’ button.

How to reset an iMac to factory settings?

Follow these steps to reset iMac back to its original factory settings – Select Disk Utility function, and hit Continue. The list of available hard disks will be displayed. Now it’s time for fresh installation of Mac OS. Choose Reinstall OS X option from the OS X Utilities screen, and click Continue So that’s it!

How to fix iMac won’t turn on?

The first step is to reboot Mac, and after the boot chime sound, hold down Command and R buttons to put your iMac into Recovery mode Choose the startup disk where your recovery disk is located Select Disk Utility function, and hit Continue. The list of available hard disks will be displayed.

How to reformat Mac OS X without recovery disc?

Reformat Mac OS X Without a Recovery Disc or Drive. 1 Step 1: Back Up Your Files! Okay, so you may have a lot of files that you want to get rid of, but you definitely have some files you want to keep. In 2 Step 2: Restart Your Computer. 3 Step 3: Press CMD+R. 4 Step 4: Open Disk Utility. 5 Step 5: Wipe Your Hard Drive.

Do I need a recovery disc for my Mac OS X?

All without the need for a recovery disc or thumb drive. If you want to play it safe and create a bootable install drive for Mac OS X, you can do so using our guides here for Lion/Mountain Lion, Mavericks, Yosemite, and El Capitan.