Note: Make sure you have the latest version of iTunes installed before trying these steps.
- Open iTunes.
- Connect your iPod shuffle to your computer.
- Select the Device button near the top-left corner of iTunes.
- On the "Summary" screen, check the Enable disk use box (under "Options").
- Click Apply.
Note: If you uncheck the Enable disk use setting and then sync your iPod shuffle with iTunes, you may lose any items you've manually transferred.