I remember 980's fan seems will not spin until the card hit 65'C,
and when the temp. drop to 60'C, the fan will stop again.![think :think:]()
Try use your finger to spin the 1st fan when 2nd fan turn at full speed,
to see if the 2nd fan will get back to normal ...
and when the temp. drop to 60'C, the fan will stop again.

Try use your finger to spin the 1st fan when 2nd fan turn at full speed,
to see if the 2nd fan will get back to normal ...