Default Only black screen + vibrate (when i press power button) after flashing rom+gapps

Hey i just flashed this rom: http://forum.xda-developers.com/show....php?t=2617846
on my xperia s and after reboot my phone only vibrate once and nothing more
now i dont know how to deal with it

- i tried to reset by presing power with volume up but ,,its not very efective"

Can anybody help me please?