Cleaning The Monitor; Cleaning The Mouse; Service Considerations; Tools And Software Requirements - HP Pro 4300 Maintenance And Service Manual

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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:
keys are improperly removed or installed, the keyboard may not function properly.
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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.

Cleaning the Monitor

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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.
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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.
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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.
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To clean the mouse body, follow the procedures in

Service Considerations

Listed below are some of the considerations that you should keep in mind during the disassembly and
assembly of the computer.

Tools and Software Requirements

To service the computer, you need the following:
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Torx T-15 screwdriver (HP screwdriver with bits, PN 161946-001)
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Flat-bladed screwdriver (may sometimes be used in place of the Torx screwdriver)
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Phillips #2 screwdriver
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Diagnostics software
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HP tamper-resistant T-15 wrench (Smart Cover FailSafe Key, PN 166527-001) or HP tamper-
resistant bits (Smart Cover FailSafe Key, PN 166527-002)

Screws

The screws used in the computer are not interchangeable. They may have standard or metric threads
and may be of different lengths. If an incorrect screw is used during the reassembly process, it can
damage the unit. HP strongly recommends that all screws removed during disassembly be kept with
the part that was removed, then returned to their proper locations.
CAUTION:
work area to prevent damage.
24 Chapter 5 Routine Care and Disassembly Preparation
Never remove a wide leveled key (like the space bar) from the keyboard. If these
As each subassembly is removed from the computer, it should be placed away from the
Cleaning the Computer Case on page
Cleaning the Computer Case on page
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