Having an issue with my idle temps being severely higher after a week of owning this card... when i first purchase the card i was getting idle temps of 28-32c now it starts at 38c and slowly climbs up to 42c. I have a HAF922 with an extra fan on the bottom firing downward. I havent changed the orientation or position of desktop, or the fan directions inside the case. Any ideas as to what's causing this?