HP Z420 HP Z420, Z620, and Z820 Workstation Series User Guide - Page 48
Cleaning the keyboard, Cleaning the monitor
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Cleaning the keyboard CAUTION: Use safety glasses equipped with side shields before attempting to clean debris from under the keys. ● If the keyboard has an on/off switch, turn it off. ● Follow the safety precautions in the Maintenance and Service Guide for your workstation before cleaning the computer. ● Visible debris underneath or between the keys can be removed by vacuuming or shaking. ● Canned, pressurized air can be used to clean debris from under the keys. Use caution because too much air pressure can dislodge lubricants applied under the wide keys. ● If you remove a key, use a specially designed key remover to prevent damage to the keys. This tool is available from many electronic supply outlets. CAUTION: Never remove a wide key (like the space bar key) from the keyboard. If these keys are improperly removed or installed, the keyboard might 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. Allow the parts to air dry before reassembly. ● Use tweezers to remove any fibers or dirt in confined areas. Cleaning the monitor ● Follow the safety precautions in the Maintenance and Service Guide for your workstation before cleaning the computer. ● To clean the monitor, wipe the monitor screen with a towelette designed for cleaning monitors or a clean cloth moistened with water. CAUTION: Do not use sprays or aerosols directly on the screen-the liquid might seep into the housing and damage a component. Never use solvents or flammable liquids on the monitor because display or housing damage may result. 40 Chapter 7 Routine Care