The Drive Diagnostic Utility Hutil is made with the aim of testing a Samsung hard disk drive while it is installed inside a PC, regardless of the status of user's operating system. In fact of the drives returned to Samsung, a large percentage are NTF("No Trouble Found") after testing. So it is strongly recommended to test the drive if it is truly defective by a few fundamental troubleshooting of Hutil first, to avoid user's unnecessary effort and inconvenience of replacing a good drive.
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