WALKMAN User Guide
Getting Started
How to Use the Software
Music
“SensMe™ Channels”
Videos/Podcasts/Photos
FM Radio
Timer
Settings
Troubleshooting
Important Information
Specifications
Contents list
Top page > Troubleshooting > Possible Causes of Symptoms > Operation
Operation
There is no sound.
The volume level is set to zero. 
Turn the volume up.
The headphone plug is not connected properly.
If the headphones are connected improperly, the sound from the headphones will be impaired. Insert the headphone plug until it clicks into place [Details].
The headphone plug is dirty.
Clean the headphone plug with a soft dry cloth.
After prescribing the remedies above, if the problem still persists, press the RESET button of the player [Details].
Data cannot be played.
The battery is consumed.
Charge the battery fully [Details].
If the player does not react, even after charging the battery, press the RESET button to reset the player [Details].
After transferring by
Place the data in the correct place by
Transferred files are not in a playable format.
For information on the playable formats, see [Details]. Some files may not be played back, depending on certain file specifications.
You are placing audio MP4 files in a video folder by 
Place them in the [MUSIC] folder by
The playback limitation period of the song has expired due to subscription conditions, etc.
Songs with an expired playback limitation period cannot be played back. Update them using the software used for transferring.
Songs or photos cannot be deleted on the player.
You cannot delete songs or photos on the player.
Delete them using the software you used to transfer the data, or Windows Explorer.
Transferred data is not displayed in its list.
Videos and photos in unsupported format may not be recognized by the player and may not appear in a list [Details].
If you rename a video file that is transferred from a computer to the player, or move it to another folder, it may not be recognized by the player and may not appear in a video list.
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