How to Reset an External Hard Drive
An external hard drive may become a necessary item in our ever-increasing computer data-driven world. Sooner rather than later you may need an external hard drive to store your digital pictures, music, movies and applications. The good news is that prices of external hard drives have fallen as hard drive capacities have risen. You can now purchase a 500 GB model for less than $100 at many computer retailers on the Web.
Log in to your computer as the administrator.
Install the external drive software from the CD that comes with your external hard drive.
Use the USB cable that came with your external hard drive and plug one end of the cable into your hard drive and the other into the USB port in your computer.
Give Windows a moment to recognize the external drive and to assign it a drive letter.
Go to the "My Computer" icon and double-click on it.
Choose the newly created external drive letter in the right-hand explorer window.
Right-click on the external drive letter and choose "format" from the drop-down box.
Choose "quick format" from the format options section from the next pop-up box.
Click the "Start" button.
Click the "OK" button in the Format warning box.
Click the "OK" button in the "format complete box" to finish the process.