Connect an external disc drive or hard disk drive to a USB port on your VAIO computer.
See Connecting a USB Device for information on the USB connection.
Be sure to connect an external drive to a power source with an AC adapter (if supplied).
You may need to install a driver depending on the external drive you use.
In addition, procedures to connect and use an external drive vary depending on the drive you use. Refer to the manual that came with your external drive for more information.