[Q] Moto e wont boot up topic

my phone is moto e . i installed new stock rom of 4.4.2 and i downloaded the update of 4.4.4 and it was installing . and later within 1 min i see .it got switched off and it doesnot even turn on .i tried press vol down power button boot menu is not appears . my pc detects the phene but fastboot is say waiting for device. when i put charging and try to turn it on .the light blinks 2 times and goes off .but did not switch on till now . please help me