openSuse exploit the full speed of the fan

I’m new to Opensuse operating System, I installed Opensuse beside windows 8 but OpenSuse always exploit the full speed of the laptop fan despite the CPU usage is less than 10%. I will be grateful if any body can guide me to right solution.if there is any solution, kindly remember I’m new to Opensuse so l hope the answer be easy to understand and easy to apply.
my pc information:
dell inspiron 14R-7420
cpu: Intel(R) Core i7-3612Qm 2.1GHz
VGA: Intel HD Graphics 4000 && NVIDIA GeForce GT 640M
OS: Windows 8.1 & Opensuse 13.1
System type: 64-bit