Sony PlayStation Portable PSP-1007 Instruction Manual page 143

Videos do not play.
, Depending on the bit rate, certain videos may not be playable on the system.
Check that the video files were converted at a bit rate of 768 kbps or lower.
The system does not recognize a video data item.
, Video data of types that are not compatible with the system will not be
recognized (
, If the file or folder name on the Memory Stick Duo™ is changed, or if the
file or folder is moved to another location using a PC, the system may not
recognize it.
Music
Music does not play.
, Tracks with an expiration date or a limited number of playing times may not
be playable on the system.
, When playing ATRAC3plus™ data, software compatible with copyright-
protection features must be used to transfer the data onto a Memory Stick
Duo™ ( page 69).
Tracks from other groups do not play.
, Check that the Group Mode feature is turned off. When turned on, tracks
from only one group can be played.
The system does not recognize music data.
, Check that the music data is saved in the correct folder on the Memory Stick
Duo™ ( page 71).
, Music data of types that are not compatible with the system will not be
recognized (
A group on a Memory Stick Duo™ cannot be deleted.
, If there is non-music data in the group, the group cannot be deleted.
page 133).
page 133).
Troubleshooting
GB
143