siamthailand , your player would be using the v9.0.xx firmwares here
http://www.mympxplayer.org/actions-9...ware-dc37.html
Depending on whether your player is able to be detected by MP3 Utilities Upgrade Tools, if it can be detected, then try all the firmwares listed in the link above for your screen size until you get a working one.
If it does not detect your player, then you'll need to perform the dead player recovery guide here
http://www.mympxplayer.org/dead-play...ide-vt567.html