If pc don't recognize player, try more and more to reset chip like in
http://www.mympxplayer.org/how-to-up...ayer-vt46.html
but after you'll need a correct dump file...good luck!!!
If player should works well but recharge don't works with USB or charger...then try to make a jump to red cable battery direct to positive pole of USB (find it with a tester with usb cable connest to pC) !!! 8)