beenchee,
try this software
http://www.mp4nation.net/downloads/s...UPGRADEKIT.rar
It helped me. Maybe it'll work in your case too.
1. Start the program
2. Choose the firmware (the one attached)
3. Connect the player
4. Click the button with U
5. Then just confirm several times.
If it works your player should be visible in windows as a new drive.
If so then
1. Copy teclast.sys to the player
2. Disconnect it
3. Connect again. You should be able to see the hidden partition.
4. Copy over your original firmware.
5. Disconnect the player
6. Switch it on.
Let us know if this works.
Good luck
PS
Inspiration
makd511 
in this thread
http://www.mympxplayer.org/rockchip-...k-vt11084.html