Cleaning The Monitor; Service Considerations; Tools And Software Requirements; Screws - HP Z8 G4 Maintenance And Service Manual

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

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:
● Diagnostics software
● Flat-bladed screwdriver (may sometimes be used in place of a Torx screwdriver)
● Phillips #2 screwdriver
Torx30 screwdriver
●
● Torx15 screwdriver

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:
prevent damage.
14 Chapter 3 Routine care, SATA drive guidelines, and disassembly preparation
Never remove a wide, level key (like the space bar) from the keyboard. If these keys are
As each subassembly is removed from the computer, it should be placed away from the work area to
Cleaning the computer case on page 13.