It’s most likely a bad digitizer because what you’re saying fits the same issue when you only plug in the Lcd and turn it on with no digitizer. Like mentioned before check the connectors
+
+
=== Update (03/01/2018) ===
+
+
I can’t really tell by the picture but it looks like you’re missing all pins but 1 in the connector
It’s most likely a bad digitizer because what you’re saying fits the same issue when you only plug in the Lcd and turn it on with no digitizer. Like mentioned before check the connectors