Page 65 - IT 402 v2.0 class 10
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Some instructions to be followed while cleaning the hardware parts are:

               lways plug out each and every cable or wire before cleaning.
              Never spray any li uid directly on the component to wipe off dust rather spray li uid on the cloth and then
              wipe the dust.  ry to use cotton cloth  microfiber cloth  etc.
               ry to use water diluted solvent for wiping to avoid any damage to the outer casing of the components.
               se dampened moist cloth to clean monitor         tray  etc.

               o clean your keyboard use compressed air.  ompressed air is pressurised air contained in a can with a very
              long no  le.  ry to blow air in between the keys to remove dust.

              If any li uid material gets spilled onto the keyboard  turn off the computer or atleast disconnect the keyboard
              to prevent the substance from penetrating the circuit.  eep it in upside down position and  allow it to dry.
               se antistatic wrist band to prevent generating static electricity near electronic devices.

            Cleaning Hardware Parts of a Computer
             et us now learn how we can clean different hardware parts of a computer.

            Monitor
              Spray water or cleaning li uid on a soft lint free cloth such as cotton and gently wipe the monitor.
              Never spray any li uid directly on the monitor.

            Keyboard
               eriodically clean the keyboard by holding it upside down and shaking it.
               low air in between the keys to remove dust using compressed air.

               se a damp lint-free cloth to clean the keyboard.
              Never spray any li uid directly on the keys of the keyboard.
            Optical Mouse

               lean the bottom part of the optical mouse with a lint-free cloth.
               ens can be cleaned by blowing air using compressed air.

            Digital Camera
              Never touch the lens of the camera.
               se soft lens brush or soft dry cloth to remove dust.
              Never spray any li uid directly on the lens.

            Optical Disk (CD, DVD, Blu-ray Disc)
               eep optical disk in a proper case to protect it from scratches  finger prints  etc.

               se lint-free cloth to remove finger prints and dirt.
               ut the drop of fluid on a cotton cloth and gently rub it on the disk to remove dust.

            Preparing Maintenance Schedule
            Periodic maintenance of a computer system is very important. Some of the maintenance activities divided
            into daily  weekly  monthly and yearly basis are as follows:

            On Daily Basis
               lean the components of the computer system like keyboard  mouse  monitor  etc.

               heck for malfunctioning hardware.                 eep eatables away from the computer.


                                                              Information Technology and Communication
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