1. Inorder to replace fix or install your new Gateway MD7321u 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 Gateway MD7321u laptop.
3. You will see your Gateway MD7321u Fan and Heat Skin exposed.
4. Use a screw drivers and remove the screws from you Gateway MD7321u HeatSin Fan.
5. Before reinstalling the new Gateway MD7321u Fan onto your laptop, you can clean the Gateway MD7321u Fan. To clean your Fan and Heatsink, use a can of air and blow out any dirk from your Gateway MD7321u Fan. You can also use a paint brush to clean out the dirt from the hard to get areas. Somtimes cleaning your Gateway MD7321u laptop fan will actually repair it. Dirt can cause the Gateway MD7321u Laptop Fan to make noise and even stop spinning properly.