HP EliteDesk 705 G2 Microtower PC Bedienungsanleitung Seite 23
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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.
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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
bers or dirt in conned 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 ammable liquids on the monitor.
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To clean the monitor body follow the procedures in Cleaning the Computer Case on page 14.
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.
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To clean the mouse body, follow the procedures in Cleaning the Computer Case on page 14.
Service considerations
Listed below are some of the considerations that you should keep in mind during the disassembly and
assembly of the computer.
Power supply fan
The power supply fan is a variable-speed fan based on the temperature in the power supply.
CAUTION: The cooling fan is always on when the computer is in the “On” mode. The cooling fan is o when
the computer is in “Standby,” “Suspend,” or “O” modes.
You must disconnect the power cord from the power source before opening the computer to prevent system
board or component damage.
Tools and software Requirements
To service the computer, you need the following:
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Torx T-15 screwdriver
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Torx T-15 screwdriver with small diameter shank (for certain front bezel removal)
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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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Tamper-resistant T-15 wrench
Service considerations 15
- 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 12
- 2 Illustrated parts catalog 13
- Misc parts 15
- Misc boards 17
- Generating static 19
- Grounding the work area 20
- Operating guidelines 21
- Routine care 22
- Service considerations 23
- Cables and connectors 24
- Hard Drives 24
- Lithium coin cell battery 24
- SATA hard drives 25
- SATA hard drive cables 25
- SMART ATA drives 25
- Cable management 26
- Microtower (MT) chassis 27
- Access panel 28
- Front bezel 29
- Front bezel security 30
- DDR3/DDR3L-SDRAM DIMMs 32
- Populating DIMM sockets 32
- Installing DIMMs 33
- Expansion cards 35
- Drives 31 39
- Drive positions 41
- Removing a hard drive 45
- Installing a hard drive 45
- Drive power cable 49
- Fan sink 52
- Processor 53
- Rear chassis fan 55
- Power supply 56
- System board 58
- System board callouts 59
- Computer Setup–Main 62
- Computer Setup—Security 64
- Computer Setup—Advanced 66
- Safety and comfort 71
- Helpful hints 72
- Solving general problems 73
- Solving general problems 67 75
- Solving power problems 77
- Solving hard drive problems 78
- Solving display problems 81
- Solving display problems 75 83
- Solving display problems 77 85
- Solving audio problems 86
- Solving audio problems 79 87
- Solving printer problems 88
- Solving Network Problems 92
- Solving Network Problems 85 93
- Solving memory problems 95
- Solving software problems 102
- Resetting the password jumper 110
- 9 HP PC Hardware Diagnostics 114
- 10 System backup and recovery 116
- Using Windows tools 118
- Restore and recovery 118
- Windows 8 120
- Creating recovery media 123
- Backing up your information 125
- System Restore 126
- System Recovery 126
- A Battery replacement 130
- B Power Cord Set Requirements 133
- Country-Specic Requirements 134
- C Statement of Volatility 135
- D Specications 137
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