HP 705 Spécifications Page 134
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
8 Troubleshooting without diagnostics
This chapter provides information on how to identify and correct minor problems, such as USB
devices, hard drive, optical drive, graphics, audio, memory, and software problems. If you encounter
problems with the computer, refer to the tables in this chapter for probable causes and recommended
solutions.
NOTE: For information on specific error messages that may appear on the screen during Power-On
Self-Test (POST) at startup, refer to Appendix A,
POST error messages on page 157.
Safety and comfort
WARNING! Misuse of the computer or failure to establish a safe and comfortable work environment
may result in discomfort or serious injury. Refer to the
Safety & Comfort Guide
at http://www.hp.com/
ergo for more information on choosing a workspace and creating a safe and comfortable work
environment. For more information, refer to the
Safety & Regulatory Information
guide.
Before you call for technical support
If you are having problems with the computer, try the appropriate solutions below to try to isolate the
exact problem before calling for technical support.
●
Run the HP diagnostic tool.
●
Run the hard drive self-test in Computer Setup. Refer to
Computer Setup (F10) Utility
on page 113 for more information.
●
Check the Power LED on the front of the computer to see if it is flashing red. The flashing lights
are error codes that will help you diagnose the problem. Refer to Appendix A,
POST error
messages on page 157 for more information.
●
If the screen is blank, plug the monitor into a different video port on the computer if one is
available. Or, replace the monitor with a monitor that you know is functioning properly.
●
If you are working on a network, plug another computer with a different cable into the network
connection. There may be a problem with the network plug or cable.
●
If you recently added new hardware, remove the hardware and see if the computer functions
properly.
●
If you recently installed new software, uninstall the software and see if the computer functions
properly.
●
Boot the computer to the Safe Mode to see if it will boot without all of the drivers loaded. When
booting the operating system, use “Last Known Configuration.”
●
Refer to the comprehensive online technical support at
http://www.hp.com/support.
●
Refer to
Helpful hints on page 125 in this guide.
To assist you in resolving problems online, HP Instant Support Professional Edition provides you with
self-solve diagnostics. If you need to contact HP support, use HP Instant Support Professional
Edition's online chat feature. Access HP Instant Support Professional Edition at:
http://www.hp.com/
go/ispe.
124 Chapter 8 Troubleshooting without diagnostics
- Maintenance and Service Guide 1
- Safety warning notice 3
- Table of contents 5
- 1 Product Features 11
- Serial Number Location 16
- Downloading Windows 7 updates 17
- 3 Illustrated parts catalog 20
- Misc parts 23
- Misc boards 26
- Computer major components 27
- Generating static 34
- Grounding the work area 35
- Operating guidelines 36
- Routine care 37
- Service considerations 38
- Cables and connectors 39
- Hard Drives 39
- Lithium coin cell battery 39
- SATA hard drives 40
- SATA hard drive cables 40
- SMART ATA drives 40
- Cable management 41
- Microtower (MT) chassis 42
- Access panel 43
- Front bezel 44
- Optical drive bezel blank 45
- DDR3-SDRAM DIMMs 46
- Populating DIMM sockets 46
- Installing DIMMs 47
- Expansion cards 49
- Drive positions 55
- Removing a slim optical drive 55
- Removing a hard drive 57
- Installing a hard drive 58
- Rear chassis fan 69
- System board 65 75
- Preparation for disassembly 76
- Front bezel security 78
- Bezel blanks 79
- Expansion card 83
- Drives 77 87
- Removing a 3.5-inch device 90
- Installing a 3.5-inch device 91
- Drive power cable 102
- Hood sensor 104
- Front I/O assembly 105
- Front I/O assembly 97 107
- Power switch 108
- Power switch 99 109
- Heat sink 111
- Processor 114
- Power supply 116
- System board 118
- System board callouts 120
- System board 111 121
- Computer Setup—File 125
- Computer Setup—Storage 126
- Computer Setup—Security 127
- Notify User 128
- Setup Password 128
- Computer Setup—Power 130
- Computer Setup—Advanced 131
- Safety and comfort 134
- Helpful hints 135
- Solving general problems 136
- Solving general problems 127 137
- Solving general problems 129 139
- Solving power problems 140
- Solving hard drive problems 141
- Solving display problems 145
- Solving display problems 137 147
- Solving audio problems 149
- Solving printer problems 151
- Solving Network Problems 156
- Solving Network Problems 147 157
- Solving memory problems 159
- Solving software problems 165
- 9 POST error messages 167
- Resetting the password jumper 176
- 11 HP PC Hardware Diagnostics 180
- 12 System backup and recovery 182
- Driver Recovery 183
- Creating recovery media 185
- Backing up your information 187
- System Restore 188
- System Recovery 188
- Windows is Loading Files… 189
- A Battery replacement 192
- B Power Cord Set Requirements 195
- Country-Specific Requirements 196
- C Statement of Volatility 197
- D Specifications 199
- SFF Specifications 201
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