WALKMAN User Guide
Getting Started
How to Use the Software
Music
Videos/Photos
FM Radio
Timer
Settings
Troubleshooting
Important Information
Specifications
Contents list
Top page > Troubleshooting > Possible Causes of Symptoms > Power
Power
Battery life is short.
The operating temperature is below 5 °C (41 ºF).
Battery life becomes shorter as a result of the battery characteristics. This is not a malfunction.
Battery charging time is not sufficient. 
Charge the battery until 
appears.
By adjusting the settings or managing the power supply properly, it is possible to save the battery power and use the player for a longer time [Details].
You have not used the player for more than a year.
Depending on the conditions under which your player is used, the battery may have been deteriorated. Consult your nearest Sony dealer.
The efficiency of the battery will improve by repeatedly charging and discharging it.
When usable battery life becomes half the usual time, even after charging the battery fully, the battery should be replaced.
Consult your nearest Sony dealer.
The player cannot charge the battery.
The USB cable is not connected to a USB connector on your computer properly. Disconnect the USB cable, and then reconnect it.
Use the supplied USB cable.
The battery is charged in an ambient temperature out of the range of 5 °C (41 ºF) to 35 °C (95 ºF).
You cannot charge the battery when 
icon appears. Charge the battery in an ambient temperature of 5 °C (41 ºF) to 35 °C (95 ºF).
The computer is not on. 
Turn on the computer.
Your computer has entered Sleep or Hibernation status. 
Release the computer from Sleep or Hibernation status.
A USB hub is being used.
Connecting the player via a USB hub may not work. Connect the player to your computer using the USB cable (supplied).
The operating system installed on the computer is not supported by the player.
To charge the player, connect the player to a computer with the operating system that is supported by the player [Details].
You have not used the player for more than a year.
Depending on the conditions under which your player is used, the battery may have been deteriorated. Consult your nearest Sony dealer.
After prescribing the remedies above, if the problem still persists, press the RESET button of the player [Details] and reconnect it to the computer by using the USB cable (supplied).
139
