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DMP250N/DMP450N/DMP850N/DMP250NFM/DMP450NFM/DMP850NFM Instruction Manual
Troubleshooting
Problems/Symptoms
Cannot turn on the player.
No sound.
Sound distorts.
The computer does not
recognize the player.
Can not play copy-protected
music files.
No
response
when
taping the touch pad.
Can not turn on the player
after formatting the player.
Solutions
Battery power is exhausted. Recharge the battery.
Not enough space is reserved for system files. Free some memory space by
erasing some files.
The player works abnormally and needs to be reset. Reset the player by depressing
the reset opening. If the player still fails to turn on, reinstall the firmware.
Headphones are not inserted. Insert headphones.
Volume level is too low. Increase the volume level.
Music and video files are corrupted. Download uncorrupted files.
Battery power is exhausted. Recharge the battery.
No secure connection with the computer. Make sure the player is securely connected.
The computer is not compatible with the player. The player only works on
®
Windows
2000/XP/Vista OS and Macintosh
Incorrect downloading methods. Transfer copy-protected music files to the
player by using the Windows
management software provided by the online music store where you purchased
the files. Refer to the respective software FAQs.
NOTE: The transfer of copy-protected songs is not compatible for MAC.
Touch pad is locked. Disable the hold feature.
The player works abnormally and needs to be reset. Reset the player by
depressing the reset opening with a paper clip.
Use an incorrect file system for formatting. Reformat the player with a correct
file system. See Formatting the Player in the section of Connecting the
Player to the Computer for details.
®
OS X (version 10.2.6 or later).
®
Media Player's sync function of the music
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