New lcd assembly installed as backlight no image

Hello

I have installed a new lcd screen assembly on my acer one 10 but it has no image

i have double checked all the connections an still no image,

did i get a bad screen or the motherboard is out?

thank you

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0