1. Inorder to replace fix or install your new HP dv9780ed 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 dv9780ed laptop.
3. You will see your HP dv9780ed Fan and Heat Skin exposed.
4. Use a screw drivers and remove the screws from you HP dv9780ed HeatSin Fan.
5. Before reinstalling the new HP dv9780ed Fan onto your laptop, you can clean the HP dv9780ed Fan. To clean your Fan and Heatsink, use a can of air and blow out any dirk from your HP dv9780ed Fan. You can also use a paint brush to clean out the dirt from the hard to get areas. Somtimes cleaning your HP dv9780ed laptop fan will actually repair it. Dirt can cause the HP dv9780ed Laptop Fan to make noise and even stop spinning properly.