Maxxxel

im just using a HAMA Wireless Milano with blue motion tec. for all undergrounds so i can play everywhere^^

i prefer the matte cuz i am often out of house and if the sun is shinning from behind u can see nearly nothing^^

the 2620qm is quite fast i dont think u need to oc it

have you tried reinstalling the mainboard drivers of ut manufacturer? i had a similar Problem

So i got a MSI GE60 i760-281FD

GTX660m Stock and OC values are:

CORE 835Mhz OC---> 970Mhz

MEMORY 2500Mhz OC---> 2700Mhz

BOOST 950Mhz OC---> 1085Mhz

Temperatures(replaced the Stock paste with Artic MX-2):

5min Furmark 1920x1080 Burn-In Test

STOCK ---> 85 C° (Fan not Fullspeed)

OC ---> 85 C° (Fan Fullspeed)