Power light is on but LCD touch screen not working

Hi there,

I bought new LCD touch screen but its not working even the power light is on !

I checked all connectors but nothing change..

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

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 1
crwdns2934285:0crwdne2934285:0