Touchscreen not responding after screen replacement and jailbreak.

My screen was cracked so I replaced the whole display. At first everything seemed fine and the touch worked, then decided to jailbreak my phone at the same time.

I had to open it up again (accidentally rather roughly and the cables all unattached) to remove a screw I had for some reason attached to the display for safe keeping. After that the screen was just black so opened again a few times to sort it out.

Finally when the screen started working it was just a green screen so managed to reset it using the DFU mode. When it had restarted the screen didnt respond to any touch.

I have tried reconnecting my old screen and the touch works ok but I have to keep resetting the phone every time I turn it on after reconnecting.

So there you have it, how do I make it work again?

Could it be because I decided to jailbreak it or did I just damage my display?