1), destroying a hard drive makes recovery "infeasible using state of the art laboratory techniques and results in the subsequent inability to use the media for storage of data." Most of the standards that exist to erase a hard drive mention several ways to physically destroy one, including disintegration, grinding, pulverization, incineration, melting, and shredding. Just as there is no way to extract the written information from a burned piece of paper, there is no way to read the data from a hard drive that is no longer a hard drive.Īccording to the NIST Guidelines for Media Sanitization (800-88 Rev. Physically destroying a hard drive is the only way to absolutely and forever ensure that the data on it is no longer available. If you don't, you risk exposing sensitive personal data that you previously deleted-data like social security numbers, account numbers, passwords, etc.Īccording to most governments and standards organizations, there are only three effective methods of erasing a hard drive, the best of which depends on your budget and future plans for the hard drive:Ĭould be dangerous without professional help. The most responsible thing you can do before recycling a hard drive, or even disposing of one, is to completely erase the hard drive. However, all the data is still there and, unless you truly erase the hard drive, can be recovered using special software or hardware. Remember that erase, delete, wipe, and shred are technically different terms. Since the OS can't see the data, the drive looks empty when you look at its contents. To truly erase hard drive data forever, you'll have to take some extra steps.Ī common way to "erase" data is to format the hard drive, but you don't actually erase the drive of its data when you do this, but instead only erase the location information for the data, making it "lost" to the operating system. Use the Disk Utility application to remove the BOOTCAMP partition.If you want to completely erase a hard drive, it's not as easy as deleting everything on it. Use either the Disk Utility application or diskutil command to remove or HFS format the preceding partition. The diskutil command format is given below. Use either the Disk Utility application or diskutil command to identify the preceding partition that needs to be HFS formatted or removed. This is usually the partition immediately preceding, but not always. ![]() To delete the BOOTCAMP partition using the Disk Utility application, you will need to first remove or HFS format the preceding partition. In fact, the Disk Utility application may not even be displaying this partition. Well, you have not identified, in your question, which partition this is. In your case, you can not delete the BOOTCAMP partition because the partition is preceded by a partition that can not be resized. Often, posting just what is viewed from the Disk Utility application is not sufficient to diagnose and repair a problem with a drive. (These functions are technically referred to as verbs.) The Disk Utility application also does not necessarily display all the partitions that actually exist on a drive. Also included is a Disk Utility application which can preform a subset of the functions offered by the diskutil command. ![]() The macOS operating system includes a disk utility command called diskutil.
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