Screen repair gone wrong

Need help with my screen repair for my Asus vivobook 14 x420u. Long story short I applied heat to the plastic case and melted the panel so it was a nightmare fixing it back. Fixed it back nicely and now the new screen which is working I've tried, is now not switching on the fan seems to be overheating and the charging symbol doesn't even turn on nor does the caps lock light. This is a disaster. Ive got no idea how to start to fix this. Maybe I've touched or heated the motherboard up and it just doesn't turn on now. Any help would be much appreaatited