Please check the following, if possible:
 
Are headphones connected to your Nintendo 3DS system?

• If yes, please remove the headphones as no sound can be emitted from the speakers if the headphones are connected.
• If not, is the volume of your Nintendo 3DS system turned up?
• If yes, please test if the error only occurs with one or more specific software titles.

Does this issue occur with several software titles?

• If yes, your Nintendo 3DS is faulty. Click here for detailed information on repairs of Nintendo products.
• If not, please go to the options menu of the affected software to check if the volume can be adjusted or switched on or off.

Did this solve your problem?

• If not, the software is faulty.

Who published the faulty software in the UK / Ireland?

→ For information about the publisher, please refer to the contact details in the software manual.

• If it was Nintendo, click here for detailed information on repairs of Nintendo products.
• If it was a different publisher, please contact the publisher directly.
• If you don't know, please contact our Nintendo Service Centre for information about publishers of the software.