ASUS TF300T Black Screen

i recently installed cm11 on my device and it was a bad experience.i tried to install the stock back and it installed but the rom which was loading was cm11 not stock.
The tablet is in a black screen and i don't know how to restore it back to normal.i know it is a software brick.how can i resolve it. i wanted to install aokp on it as cm11 dint run well.
:crying:
plz help.