Galaxy s7 edge screen mirroring

I have the verizon variant of the s7 edge and im trying to mirror the screen to my lg smart tv webos.. it worked the other day.. i could see my home screen and go through everything and it was on my tv.. now for somereason i cant get it to work.. can anyone help me out witb this? Thanx

Sent from my SM-G935V using XDA-Developers mobile app

from xda-developers http://ift.tt/2cwWUmY
via IFTTT