Try to follow those steps, and download the tools in the guide.
http://www.mympxplayer.org/image-vp45504.html
Of course, I've seen the same type of PMP with Sisis processor and Sunplus processors, get into recovery mode in Sisis it's simples : press ESC while you connect the device on the computer, and Sunplus it's a combination of keys, in my case, it was A + OK.