galaxy note 2 touch screen problem

Hi every body so it's in the title it's started when i was useing cyanogenmod rom 5.1 on my phone rooted and CWM recovery on it the touch screen gone crayz with touch every where, after a reboot the touch screen don't respond any more just sometime if i push hard it goes, i did a factory reset and returned to a original rom + root + CWM it worked for 2 days and the problem comes back, so now after many trys i found that when i rom and install a recovery it work for a while and the problem return so i think that it's not a harware problem, so if someone can help me to find the source of the problem and to solve it.