Hey guys i thought i would share a simple fix for the touchscreen problems that people are having. I used to have some problems with my touchscreen on stock, basically sometimes the right side of my touchscreen would be difficult and unresponsive. Im not sure what happened, it seems that after i flashed the Codenamesammy ROM it started to have these problems. I though my first tablet was just faulty so i returned and recieved a new one. I flashed the same rom on it then went back to stock and was having similar problems. I thought to myself that it was a software problem, so here is how i solved it.
Unlock and root your tablet if have not yet. Flash This
using TWRP or CWM.
How it works - Im not entirely sure why this worked even though i was in stock and it had stock drivers. Anyways it replaces the current drivers with the one in the build it has posted.
Credits - I give complete credit to the one who extracted these drivers and posted them.
Thought i might help some of you out with your problems before deciding to RMA it. If this does not work for you then it might be the actual hardware.