You will need
  • - Phillips screwdriver;
  • - silicone grease;
  • - engine oil;
  • - cotton pads.
Turn off your computer and Unscrew the few screws holding the left side wall of the housing. Take the wall and turn on the computer. Let's see what the coolers are spinning fast enough. Sometimes the content of dust in the fan also can be identified by the unpleasant sound emitted by this device.
Turn off the computer and disconnect the cable from the power supply. Now, using a Phillips screwdriver, remove the screws holding the fan to the radiator for cooling. Unplug the power cable of the cooler. Usually it is connected to the motherboard or the device on which is mounted a fan.
Remove the cooler from the housing of the system unit. Now carefully remove the sticker located in the Central part of the fan blades. There are two basic types of coolers. In the first case, you see the hole in which the axis of rotation of the blades.
Pour a small amount of machine oil (silicone grease) into this hole. Move the blades to allow the lubricant is evenly distributed on the axis.
If you're dealing with fans of a folding type, remove the plastic cover covering the same hole on the blades. Using tweezers or a thin metal object remove the rubber ring and the plastic strip with the axis of rotation.
Remove the fan blades off the shaft. Apply a little grease in the hole. Now lubricate the axle. Be sure to remove the dust from it, if present. Assemble the cooler. Attach this unit by using the previously unscrewed screws. Connect the power supply.
Turn on the computer and make sure that the fan is working properly. Install the program, allowing to obtain data on temperatures important devices PC. If some equipment is still very hot – need to replace the coolers.