You might want to try reformating your player. I had a player once get stuck on the blue screen. I reformated it and it worked great.
There's 2 places for instructions on how to reformat it. At the forum,
http://mympxplayer.org/how-to-removi...ck-vt2400.html
And at:
http://www.teekobeach.com/howtoreformattheplayer.html
http://www.teekobeach.com is a MP3 MP4 manual that a guy wrote for the players he sells on eBay.