MSI gt70 upgraded to 980m overheating/sound crackling problem

ok guys . ever since i purchased and installed the new 980m msi card ( which i got from an official msi gt72 upgrade kit ) into my msi gt70 and upgraded it from 870m , i began having sound crackling problem when the card hit 80 celsius. after googling i found oit that crackling happens because the overheated card sits right over the sound card. so i tried fixing the overheating problem
after a year of repasting and cleaning the laptop and trying gazillion types of thermal pads like ic...

MSI gt70 upgraded to 980m overheating/sound crackling problem

MSI gt70 upgraded to 980m overheating/sound crackling problem