Sony NWZB105FBLK Operation Guide - Page 25

Troubleshooting (continued) Power Symptom The power does not turn on. Cause/Remedy • The HOLD switch is set to the direction of the arrow ().  Rotate the HOLD switch to the opposite direction of the arrow () ( page 9). • If you press the  /  button immediately after turning off the player, the player does not start due to the shut down processing. Wait for a few seconds, then turn on the power. • The remaining battery is insufficient.  Charge the battery by connecting to the computer ( page 12).  Even after charging the battery, nothing is changed, press the RESET button to reset the player ( page 43). • Delete unnecessary files.  Delete unnecessary files until the combined total of files and folders becomes 999 or less.  At least 20 MB of some free space is necessary to function normally. You can check the free space by clicking [My Computer], right-clicking [WALKMAN], and then opening the [Properties] window by left-clicking. 48 Symptom Cause/Remedy Battery life is short. • The operating temperature is below 5 °C (41 °F).  Battery life becomes shorter due to the battery characteristics. This is not malfunction. • Battery charging time is not enough.  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 ( page 41). • The battery is required to be replaced.  Consult your nearest Sony dealer. • Copyright-protected contents are being played.  When copyright-protected contents are played, battery life may be shorter. The player cannot charge the battery. • The player is not connected to a USB port on your computer properly.  Disconnect the player, and then reconnect it. • The battery is charged in an ambient temperature out of the range of 5 °C (41 °F) to 35 °C (95 °F).  Charge the battery in an ambient temperature of 5 °C (41 °F) to 35 °C (95 °F). • Your computer is not on.  Turn on the computer. • Your computer enters Sleep or hibernate status.  Release the computer from Sleep or hibernate status. Charging completes very quickly. • If the battery is already almost fully charged when charging begins, little time is needed to reach full charge. Continued  49 Troubleshooting