Identifying the Chassis, Routine Care, and Disassembly Preparation
5.4.2 Cleaning the Computer Case
Follow all safety precautions in Section 5.4.1, “General Cleaning Safety Precautions,” 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,
■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,
■Occasionally clean the air vents on the computer. Lint and other foreign matter can block the vents and limit the airflow.
5.4.3Cleaning the Keyboard
Follow all safety precautions in Section 5.4.1, “General Cleaning Safety Precautions,” before cleaning the keyboard.
To clean the tops of the keys or the keyboard body, follow the procedures described in Section 5.4.2, “Cleaning the Computer Case.”
When cleaning debris from under the keys, review all rules in Section 5.4.1, “General Cleaning Safety Precautions,” before following these procedures:
ÄCAUTION:the keys. Use safety glasses equipped with side shields before attempting to clean debris from under
■You may remove visible debris underneath or between the keys by vacuuming or shaking.
■You may use canned, pressurized air to clean debris from under the keys. Use caution, 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.
ÄCAUTION: 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.
■Clean under a key 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.
5.4.4Cleaning 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 5.4.2, “Cleaning the Computer Case.”
| Service Reference Guide, dx5150 |