1. Inorder to replace fix or install your new HP xt4345QV 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 xt4345QV laptop.
3. You will see your HP xt4345QV Fan and Heat Skin exposed.
4. Use a screw drivers and remove the screws from you HP xt4345QV HeatSin Fan.
5. Before reinstalling the new HP xt4345QV Fan onto your laptop, you can clean the HP xt4345QV Fan. To clean your Fan and Heatsink, use a can of air and blow out any dirk from your HP xt4345QV Fan. You can also use a paint brush to clean out the dirt from the hard to get areas. Somtimes cleaning your HP xt4345QV laptop fan will actually repair it. Dirt can cause the HP xt4345QV Laptop Fan to make noise and even stop spinning properly.