Cleaning The Keyboard; Cleaning The Monitor; Cleaning The Mouse - HP ProDesk 400 G4 Maintenance And Service Manual

Cleaning the keyboard

Follow all safety precautions in
To clean the tops of the keys or the keyboard body, follow the procedures described in
case on page
When cleaning debris from under the keys, review all rules in
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 want to remove a key, use a specially designed key puller to prevent damage to the keys. This tool
is available through many electronics supply outlets.
CAUTION:
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 then 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.

Cleaning the monitor

● Wipe the monitor screen with a towelette designed for cleaning monitors or with a clean cloth
moistened with water. 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

Cleaning the mouse

Before cleaning the mouse, ensure that the power to the computer is turned off.
● Clean the mouse ball by first removing the retaining plate and the ball from the housing. Pull out any
debris from the ball socket and wipe the ball with a clean, dry cloth before reassembly.
● To clean the mouse body, follow the procedures in
General cleaning safety precautions on page 18
18.
Never remove a wide, level key (like the space bar) from the keyboard. If these keys are
before cleaning the keyboard.
General cleaning safety precautions on page 18
Cleaning the computer case on page
Cleaning the computer case on page
Cleaning the computer
18.
18.
Routine care 19