MoMo

hi

i bought my mp4 player since a month
now it doesnt work
i can turn it on but if i try to use the manue (via touchpad)
it doesnt react i dont know

what can i do?

i tried to upgrade or recover the software but
it always say

Finding USB device ...-Please wait
USB device not found.

please help me
thnxx

friendly greets
MoMo

PS.: its pity that i payed for it 75€ and now it doesnt work