HP EliteDesk 705 35W G4 Desktop Mini PC User Manual Page 20
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- Table of contents
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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: 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.
●
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
bers or dirt in conned areas. Allow the parts to air dry before reassembly.
Cleaning 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 ammable liquids on the monitor.
●
To clean the monitor body follow the procedures in Cleaning the computer case on page 11.
Cleaning the mouse
Before cleaning the mouse, ensure that the power to the computer is turned o.
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Clean the mouse ball by rst 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 Cleaning the computer case on page 11.
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:
●
Torx T-15 screwdriver
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Flat-bladed screwdriver (may sometimes be used in place of the Torx screwdriver; not required)
●
Phillips #1 screwdriver
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Diagnostics software
Screws
The screws used in the computer are not interchangeable. They may have standard or metric threads and may
be of dierent 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: Metric screws have a black nish. U.S. screws have a silver nish and are used on hard drives only.
CAUTION: As each subassembly is removed from the computer, it should be placed away from the work area
to prevent damage.
12 Chapter 3 Routine care, SATA drive guidelines, and disassembly preparation
- Maintenance and Service Guide 1
- Safety warning notice 3
- Table of contents 5
- 1 Product features 9
- Front panel components 10
- Rear panel components 11
- Serial number location 11
- 2 Illustrated parts catalog 12
- Computer major components 5 13
- Miscellaneous parts 14
- Miscellaneous parts 7 15
- Generating static 16
- Grounding the work area 17
- Operating guidelines 18
- Routine care 19
- Service considerations 20
- Hard Drives 21
- Lithium coin cell battery 21
- SATA hard drives 22
- Warnings and cautions 23
- Preparation for disassembly 24
- Front bezel dust lter 24
- Access panel 25
- Front bezel 26
- Hood sensor 27
- Hard drive 29
- Hard drive connector 30
- Drive cage 31
- WLAN module 35
- Expansion connector board 39
- Memory modules 40
- Memory modules 35 43
- Heat sink 45
- Processor 47
- System board 48
- System board components 51
- Internal WLAN antenna cables 52
- Computer Setup–Main 57
- Computer Setup—Security 59
- Computer Setup—Advanced 62
- Computer Setup—UEFI Drivers 66
- Safety and comfort 67
- Helpful hints 68
- Solving general problems 69
- Solving general problems 63 71
- Solving power problems 72
- Solving hard drive problems 73
- Solving display problems 76
- Solving display problems 69 77
- Solving display problems 71 79
- Solving audio problems 80
- Solving printer problems 81
- Solving network problems 85
- Solving memory problems 87
- Solving software problems 90
- Solving software problems 83 91
- Resetting the password jumper 99
- A Power Cord Set Requirements 107
- Country-Specic Requirements 108
- Nonvolatile memory usage 111
- Questions and answers 113
- C Specications 115
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