1. Inorder to replace fix or install your new HP NX9100 laptop fan and heatsink, you will need to open up your laptop. You can do this by removing the screws from the bottom of the laptop.
2. Once the screws have been removed from the bottom of your laptop, you can now remove the keyboard and plastic bezels from your HP NX9100 laptop.
3. You will see your HP NX9100 Fan and Heat Skin exposed.
4. Use a screw drivers and remove the screws from you HP NX9100 HeatSin Fan.
5. Before reinstalling the new HP NX9100 Fan onto your laptop, you can clean the HP NX9100 Fan. To clean your Fan and Heatsink, use a can of air and blow out any dirk from your HP NX9100 Fan. You can also use a paint brush to clean out the dirt from the hard to get areas. Somtimes cleaning your HP NX9100 laptop fan will actually repair it. Dirt can cause the HP NX9100 Laptop Fan to make noise and even stop spinning properly.