If your device has an Intel processor, you will need to click Controller in the sidebar to see if it has a T2 security chip installed. In the right window you will see the type of chip (Figure 1). Click on the Hardware heading in the sidebar. To check the kind of chip in your Mac, hold the option key while you navigate to Apple menu > About This Mac.

If you’re using an Intel-based Mac, use Method 2.

If you’re using a Mac with either Apple silicon or an Intel-based Mac with the Apple T2 Security Chip, use Method 1.

The appropriate method for you depends on the type of processor: There are two different methods for erasing your hard drive in macOS Monterey. Note: Since erasing your Mac will completely destroy all the files on the drive, you must make a backup of any files you wish to keep before following the steps below. In this tutorial, we’ll cover how to erase a Mac hard drive in macOS Monterey for both Apple silicon and Intel-based devices. Once Disk Utility has loaded, choose the disk you wish to repair - the default name for your system partition is generally 'Macintosh HD', and choose 'Repair Disk'.If you’re planning to sell or give away your Mac, you should absolutely prepare for a new owner by erasing the hard drive.

Select Disk Utility from the macOS Utilities menu.Restart your Mac, and press Command + R, while it's restarting.If trying to repair the internal partition where your Operating System is installed, you'll need to boot into Recovery mode, so your Mac can check and repair files that are 'in use'.If using an external disk, then choose 'Repair Disk', and allow the process to complete.It should give you some diagnosis to confirm whether your drive is viable, or needs to be repaired. Once you've loaded Disk Utility, select 'Verify Disk' and allow your Mac to check the disk. You can locate Disk Utility within your Applications -> Utilities folder, or by searching 'Disk Utility' in Spotlight.

This requires the computer to be booted in Recovery mode, and as repairing the internal partition can have serious repercussions, we advise performing a back-up of any crucial data before proceeding. It can also be used on your internal partition if you are having trouble with OS X. The most obvious example would be when there is drive corruption caused by improperly removing external USB storage. Repairing Disks using OS X's Disk Utility can be a useful way to improve performance, and in some scenarios, recover lost data. As much a we all try to protect our computers, sometimes issues do arise with the drives where you store your data.

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