When a Toshiba external hard drive becomes unresponsive or states that it is corrupt when it is connected to a computer, you must format it. This will reset the drive to its default settings. The drive should now work without any problem.
How to Repair a Toshiba External Hard Drive
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Step
Plug the Toshiba external hard drive to the computer.
Step
Click the Start button and then select "Control Panel" found in the right column. Move to "System and Security" and click it. Go to "Administrative Tools" and double-click "Computer Management."
Step
Select "Disk Management."
Step
Right-click the Toshiba external hard drive icon and select the "Format" option.
Step
Click "OK" twice to confirm that you want to format your Toshiba external hard drive.
