https://www.seagate.com/support/kb/onetouch-4-sentrysafe-drivepass-erasing-your-drive-for-windows-200231en/
OneTouch 4 / SentrySafe DrivePass - Erasing Your Drive for Windows | Seagate US
Flash and text tutorial for erasing your OneTouch 4 in the event that the DrivePass Password is lost/forgotten.
your drivefor windowsonetouchsentrysafeerasing