Instructions. Turn off your laptop before starting the repair process of the fan. Access your laptop fan by removing the cover that protects it. Use a small Phillips screwdriver to remove the screws that hold the cover and then lift the cover off, revealing the fan inside.Inspect the look and the condition of the broken fan.otice how lint, dirt and dust accumulate around the fan and other inside components. Remove all dust and lint with canned air, making sure there is no residue near the fan. Use a small Phillips screwdriver to remove the case cover of the fan. Set the cover of the fan aside for later, along with its mounting screws.