Sony NW HD3 Operating Instructions - Page 103

Symptom Audio data is transferred back to your computer and remaining transferable count increases without operations occasionally when the player is connected to the computer. The operation of the player becomes unstable while it is connected to the computer. "Failed to authenticate Device/ Media." is displayed on the computer screen when the player is connected to the computer. Case and/or corrective action  If a track is deleted from the player using the SonicStage software installed on a computer other than the one used for transfer to the player, the track will be transferred back automatically when the player is connected to the computer that you used for transfer to the player. Therefore, the remaining transferable count increases automatically.  A USB hub or USB extension cable is used. Connecting via a USB hub or USB extension is not guaranteed. Connect the USB cable directly to the computer.  The player is not connected to the computer properly. Quit the SonicStage software and verify the connection of the USB cable. Restart the SonicStage software. Others Symptom There is no beep sound when the player is operated. The player or the USB adaptor gets warm. The sound is heard from the inside of the player. The player shakes. Case and/or corrective action  "Beep" is set to "Off." Set it to "On" ( page 30).  The player and the USB adaptor may get warm when the battery is being charged and just after charging because of quick charge. Besides, the player and the USB adaptor may get warm when transferring a large number of tracks. Leave the player aside for a while.  When the built-in hard disk of the player moves, the sound of operation may be heard, and the vibration of the player occurs. This is not a malfunction. Additional Information 45 GB