My card works perfect on stock settings, however, if I want to OC it, I need to manually raise the fan speed, or else it will heat up and crash. Should this not be handled by the card automatically? Fan speeding up as temperature goes up. On top of it, GPU tweak user software fan control user defined settings don't work, as I've tried to set-it for fans to speed up automatically, and nothing happened. So either I'm doing something wrong, or there is something wrong with my card.

Any insight would be appreciated.