well i format it and it has 4 gigs like its suppose to but them when i add more then 254 songs it start going crazy for example when i try to look up my local songs it start going crazy and wont let me look up song and wont let me click to get out but i can store videos good i have like 15 videos and 254 songs can any one help its just in the music section that goes crazy i dont get format errors

Lots of players have a maximum of songs per folder. Some only hold 99 songs per folder, others more. Try taking some songs off and adding another folder and label it Music Two and start putting songs in there. See if that helps.