Anonymous posted an answer for this Samsung YP-T9JAB Digital Media Player:
"Try recharging it again on the PC, and ensure the power switch on the player is ON while..."
Anonymous posted an answer for this NexxTech (20-8002) SW/FM/AM Radio:
"It uses amv files. I've tried converting dvd to amv, but with no success yet."
Anonymous posted an answer for this Samsung YP-T9JAB Digital Media Player:
"Double-check that the files on your base mp3 player are in mp3 or wma format"