help moto e rooted gone blank

please help me. i had rooted my moto E 1st gen. using mfastbootv2
after that i had installed layers theme. and system ui stopped working
so i flashed it with original ROM 4.4.2
and by flashing i gt update for new software. so i did it from phone and while installation of that update my phone stopped working. now it does not showing anything on my screen. except when i connect USB cable that notification LED glows.. nothing on screen.
please help me.