Insert the CD into the computer. Open the CD-ROM drive door, place the disc in the tray, and slightly push the drive door back into the computer.
Click on the "My Computer" icon on the desktop screen to access the CD's formatting preferences.
Locate the CD's removable storage drive. The removable storage drive's icon should be located directly below the "C:/" drive icon in the opening "My Computer" window.
Erase the CD. Right-click over the "CD/DVD+RW" drive that will appear, scroll down, and click the "Erase This Disc" action in the drop-down menu.