I tried the ntune,(coares tuning) would freeze and i reboot and it would start up again but all the clocks and stuff went back to 0% increase but the bar was like 50%, then i tried ati tool and tried to find max core and max mem and then i scanned for artifacts and my gpu temps went up to like 92 Celcious and my computer reboot, should i lower them?can somebody help me im not sure wat to do