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3-4 Removal & Replacement Preliminaries
3.2.2 Cleaning the Computer Case
Follow all safety precautions in Section 3.2.1 before cleaning the computer.
To clean the computer case, follow the procedures described below:
! To remove light stains or dirt, use plain water with a clean, lint-free cloth or swab.
! For stronger stains, use a mild dishwashing liquid diluted with water. Rinse well
by wiping it with a cloth or swab dampened with clear water.
! For stubborn stains, use isopropyl (rubbing) alcohol. No rinsing is needed as the
alcohol will evaporate quickly and not leave a residue.
! After cleaning, always wipe the unit with a clean, lint-free cloth.
! Occasionally clean the air vents on the computer. Lint and other foreign matter can
block the vents and limit the airflow.
3.2.3 Cleaning the Keyboard
Follow all safety precautions in Section 3.2.1 before cleaning the keyboard.
To clean the tops of the keys or the keyboard body, follow the procedures described in
Section 3.2.2.
When cleaning debris from under the keys, review all rules in Section 3.2.1 before
following these procedures:
CAUTION: Use safety glasses equipped with side shields before attempting to clean debris from
under the keys.
! Visible debris underneath or between the keys may be removed by vacuuming or
shaking.
! Canned, pressurized air may be used to clean debris from under the keys. Caution
should be used as too much air pressure can dislodge lubricants applied under the
wide keys.
! If you remove a key, use a specially designed key puller to prevent damage to the
keys. This tool is available through many electronic supply outlets.
CAUTION: Never remove a wide leveled key (like the space bar) from the keyboard. If these keys are
improperly removed or installed, the keyboard may not function properly.
! Cleaning under a key may be done with a swab moistened with isopropyl alcohol
and squeezed out. Be careful not to wipe away lubricants necessary for proper key
functions. Use tweezers to remove any fibers or dirt in confined areas. Allow the
parts to air dry before reassembly.
3.2.4 Cleaning the Monitor
! Wipe the monitor screen with a clean cloth moistened with water or with a
towelette designed for cleaning monitors. Do not use sprays or aerosols directly on
the screen, the liquid may seep into the housing and damage a component. Never
use solvents or flammable liquids on the monitor.
! To clean the monitor body follow the procedures in Section 3.2.2.