Introduction
The cooling assembly is made up of a cooling fan and a large piece of copper to help dissipate heat out of the bottom of your laptop. Over time, the fan can wear out and it will need to be replaced.
Tools
- 
                  
                  
- 
            
Gently flip the cooling fan assembly upside-down on the computer surface.
 - 
            
Carefully grab the wire attached to the computer and pull away from the port.
 
 - 
            
 - 
                  
                  
- 
            
When reinstalling heat sink and fans clean off the old thermal paste from both the heat sink and the CPU and then add new paste to CPU
 
 - 
            
 
                            
                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.