How to Use Your External Hard Disk as a USB on a Sony Car Stereo

Written by greyson ferguson
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How to Use Your External Hard Disk as a USB on a Sony Car Stereo
Connect a hard drive to your car stereo system. (car music image by Andrey Kiselev from

Many audio sound systems, including those produced by Sony, now have a USB connection port installed. This feature allows you to hook up outside flash drives with audio to the system. The car stereo then plays the audio just like it would a standard MP3 player. Although you can connect an external hard disk (also called an external hard drive) to the Sony USB port, you must only have audio files saved on the hard drive---otherwise, the Sony stereo system will become confused when changing audio tracks.

Skill level:


  1. 1

    Connect the external hard drive to your computer, and power the device on. The computer will state it has detected a new, removable device.

  2. 2

    Click "Start" and then "(My) Computer." Double-click the removable device icon. A window will appear showing all the files stored on the drive.

  3. 3

    Delete all files from the hard drive that are not audio files (you may back up the information onto your computer's internal hard drive if you want to keep the files).

  4. 4

    Close out the open window, then right-click the removable device icon and choose "Eject" from the pull-down menu. Once the icon disappears, disconnect the hard drive from the computer.

  5. 5

    Insert the USB cable running from the hard drive into the Sony car stereo's USB port.

  6. 6

    Plug a power adaptor into the cigarette outlet in the car, then plug the power cable running form the hard drive into the power outlet.

  7. 7

    Press the "USB" option on the Sony car stereo; it will automatically detect and begin reading the audio on the external hard drive.

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