Sony Walkman NW-S21 Operating Instructions Manual page 40

Troubleshooting
Message
MG ERROR
NO DATA
To delete abnormal data from the built-in flash memory
If "CANNOT PLAY," "EXPIRED," "FILE ERROR," or "MG ERROR" is displayed, there is a
problem with all or part of the data stored in the built-in flash memory.
Please follow the procedures below to erase data you cannot play.
1
Connect your Network Walkman to the computer, and start the SonicStage software.
2
If you have already specified the data with problems (such as expired songs), erase the data
from the Portable Player window of the SonicStage software.
3
If the problem persists, transfer all data without problems back to the computer using the
SonicStage software while your Network Walkman is connected to the computer.
4
Disconnect your Network Walkman from the computer and then format the built-in flash
memory using the FORMAT menu (page 34).
40
Meaning
An unauthorized distribution file is
detected for copyright protection.
There is no audio files in the built-
in flash memory.
Remedy
Transfer the normal audio file back to the
computer and then format your Network
Walkman. For details, refer to "To delete
abnormal data from the built-in flash
memory" on page 40.
If there is no audio files in the built-in
flash memory, use the SonicStage
software to transfer audio files.