A RAW hard drive is a hard drive that uses the RAW file system. Repairing information on this drive is necessary when it has become corrupt through partial hardware failure or other issues such as user error. Accomplish this by restoring the drive with the tools designed into your current operating system. The process takes about 20 minutes.
Click the "Start" menu.
Type "cmd" in the "Search" box. Right-click "cmd" and choose "Run as Administrator."
Type "chkdsk x: /r /f" and press "Enter," replacing "x" with the letter of the RAW drive.