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How to Unlock a Toshiba Hard Drive

Updated February 21, 2017

When a Toshiba hard drive has been locked, you will need to unlock it to install new software. You can lock your hard drive's as a security precaution to prevent its data from being overwritten. Unlock your Toshiba laptop from a DOS prompt; DOS is the text-based backbone to Microsoft Windows. Unlocking a Toshiba hard drive takes about five minutes.

Press the "Start" button, then click "Run."

Type "Cmd" into the command prompt and click "OK."

Type "unlock z:" at the DOS command prompt. Replace "Z" with the drive letter of the Toshiba hard drive. For example, if the Toshiba hard drive is the "C:" drive, type "unlock C:"

Click the "X" in the upper-right corner of the DOS prompt to close it.

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About the Author

T.M. Wit was born and raised in Cleveland Ohio. He has advanced studies in mathematics, probability, business and economics. When he's not freelance writing he enjoys golfing, bowling and poker. He has worked in information systems in Asia and the United States.