- Erase My Mac Hard Drive
- Erase Seagate External Hard Drive Mac Osx
- Erase Seagate External Hard Drive Macbook Air
Disk Utility User Guide
In Disk Utility on Mac, you can erase and reformat storage devices to use with your Mac. Erasing a storage device deletes everything on it.
If you have any files you want to save, copy them to another storage device.
Open the Disk Utility app on your Mac using one of the following methods, depending on the type of disk or volume you want to erase:
If you want to erase your startup disk: Start up from macOS Recovery, then choose Disk Utility from the Recovery window.
If you want to erase any other type of storage device: Double-click Disk Utility in the /Applications/Utilities folder.
Choose View > Show All Devices.
In the sidebar, select the storage device you want to erase, then click the Erase button .
How to install new mac os from usb. Click the Scheme pop-up menu, then choose GUID Partition Map.
Click the Format pop-up menu, then choose a file system format.
Enter a name.
(Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK.
Secure erase options are available only for some types of storage devices. If the Security Options button is not available, Disk Utility cannot perform a secure erase on the storage device.
Click Erase, then click Done.
Erase My Mac Hard Drive
Erase Seagate External Hard Drive Mac Osx
Note: With a solid-state drive (SSD), secure erase options are not available in Disk Utility. For more security, consider turning on FileVault encryption when you start using your SSD drive.
Erase Seagate External Hard Drive Macbook Air
Backup your hard drive. Before formatting the drive, it's a good idea to back up the drive and save any files you want to keep. You can save them to another hard drive like an external hard drive or USB drive. You can also use cloud-based storage like iCloud or Google Drive which have a limited amount of free storage. So, if you have not secured your external hard drives till now, this is how to password protect external hard drives on Mac and Windows: Password Protecting External Hard Drive on Mac. There are two different methods you can use to encrypt your external hard drives on a Mac. Both the methods come inbuilt with macOS.
