There is no sound, or sound is only heard from one side of the headphones - earbuds (WF-C700N)

Before you start

Turn up the volume on the connected device.

Solution

1. Select your issue:

   I can't hear sound when playing music.

   
   Go to step 2.

   I can't hear a voice while on a phone call.

   
   See the While on a phone call I can't hear the other person talking or they can't hear me article.

2. Pause the music, wait for about 10 seconds, and play the music again.

   I can hear sound from the earbuds.

   The Bluetooth connection may have been temporarily unstable.

   I can't hear sound from the earbuds.

   Go to the next step.

3. Turn off and on the earbuds:
   Set the earbuds in the charging case, close the lid, wait for a few seconds, and then wear them again.
   

   I can hear the sound from the earbuds.

   The issue may be caused by a temporary malfunction of the earbuds.

   I can't hear the sound from the earbuds.

   Go to the next step.

4. Perform the following steps, and check if you can hear sound from the earbuds:
   1. Charge the earbuds.
      Note: Use the USB Type-C® cable that is supplied with the product. Charging may not be possible with a commercially-available cable.
   2. Reset (restart) the playback device.
      Since the playback device may temporarily malfunction, turn off the device once, and turn it on again.
   3. Delete the Bluetooth device information of your playback device.
      Refer to the How to delete the Bluetooth device information of your playback device article.
   4. Pair the devices again.
      Refer to the appropriate article:
      • For Android™: Pairing and connecting with an Android smartphone
      • For iPhones®: Pairing and connecting with an iPhone
      • For other devices: How to pair Bluetooth headphones with a Bluetooth source device

   I hear sound from the earbuds.

   There seems to have been an issue connecting with the playback device, such as Bluetooth® pairing being disconnected.

   I can't hear the sound from the earbuds.

   Go to the next step.

5. If you connect a computer with the earbuds, check the following settings:
   Note: The menu items may vary depending on the device.

   For Microsoft® Windows® 11:

   1. Open the Start menu and select Settings.
   2. Select System.
   3. Select Sound.
   4. Scroll down to the Advanced menu and select More sound settings.
   5. In the Playback tab, select Headphones, and click Set as Default Device.

   For Windows® 10:

   1. On the right side of the computer screen, right-click the Speaker icon.
   2. Select Open Sound settings, and then select Sound Control Panel.
   3. Select the Playback tab to show the device list.
   4. Select Headset labeled with Hands-free, and click Set as Default Device.
   5. Select OK to close the setting screen.

   The issue is resolved

   The issue was caused by the computer settings.

   The issue is not resolved

   Go to the next step.

6. Reset the earbuds.

   Watch this video or refer to the Resetting the headset page for instructions:
   

   The issue is resolved

   The issue may have been caused by a temporary malfunction of the earbuds.

   The issue is not resolved

   Go to the next step.

7. Initialize the headphones.
   Note: Initialization returns the earbuds to the factory settings, and all Bluetooth pairing information is deleted.

   Watch this video or refer to the Initializing the headset to restore factory settings page for instructions:
   

   The issue is resolved

   The issue may have been caused by a temporary malfunction of the earbuds.

   The issue is not resolved

   The earbuds may be malfunctioning and require service.  Go to Product Repair. 

Go to the Headphones Troubleshooting Guide