1- clean up your computer and switch the facility off. take away the facility cords from the rear of the tower and disconnect them from their power supply.

2-Place the tower on prime of associate degree anti-static mat that has been arranged  on prime of a table. you will additionally wear associate degree associate degreetistatic wristband that's connected to an electrical ground, sort of a metal fixture. You’ll have to be compelled to use the antistatic devices as a result of static discharge from the ground or from your body may harm information keep on the pc.

3-Open the rear of the pc case consistent with the directions in your owner’s manual. Some CPU's would require screwdrivers for removal, whereas others can have buttons to depress before the rear comes off.

4-Position your will of compressed gas a minimum of 2 inches from the surface that you just ar improvement.

5-Clean the fan intakes and also the exhaust victimization short puffs of canned air. The intakes ar the grid-like structures that filter the air that comes into the fan.


6-Spray short puffs of canned air over the fan blades. To loosen clumps of dirt, hold your canned air at multiple angles instead of victimization long bursts of air. make certain that you just don't bit something within the mainframe tower.

7-Set the canned air aside and shut the rear of your mainframe.

8-Clean the outside of your mainframe with a humid artifact that has been unfit in cleanser, lukewarm water. Dry the surface with a soft towel.

9-Use a humid artifact to scrub your power cords whereas they're disconnected from an influence supply. Dry the facility cords with a soft towel.