Processor ......................................................................................................................... 117
Removing the processor ................................................................................. 117
Replacing the processor ................................................................................. 119
System board ................................................................................................................... 120
Removing the system board ........................................................................... 120
Replacing the System Board ........................................................................... 120
Product recycling .............................................................................................................................. 121
6 System diagnostics and troubleshooting
HP troubleshooting resources and tools .......................................................................................... 122
HP Help and Support Center ........................................................................................... 122
E-support ......................................................................................................................... 122
Troubleshooting a problem ............................................................................. 123
Instant Support and Active Chat ..................................................................... 123
Customer Advisories, Customer and Security Bulletins, and Customer
Notices ............................................................................................................ 123
Product Change Notifications .......................................................................... 123
Helpful hints ..................................................................................................................... 124
At startup ......................................................................................................... 124
During operation .............................................................................................. 124
Customizing the monitor display ..................................................................... 125
Troubleshooting checklist ................................................................................................................. 125
LED color definitions ........................................................................................................................ 125
Self-troubleshooting with HP Vision Field Diagnostics ..................................................................... 126
Overview .......................................................................................................................... 126
Downloading and accessing HP Vision Field Diagnostics ............................................... 127
User interface .................................................................................................................. 128
Survey tab ....................................................................................................... 128
Test tab ........................................................................................................... 130
Status tab ........................................................................................................ 132
History tab ....................................................................................................... 132
Errors tab ........................................................................................................ 132
Help tab ........................................................................................................... 133
Saving and printing information in HP Vision Field Diagnostics ...................................... 134
Downloading the latest diagnostic utility .......................................................................... 134
Diagnostic error codes ..................................................................................................................... 134
Diagnostic light codes ...................................................................................................... 134
Troubleshooting scenarios and solutions ......................................................................................... 137
Solving minor problems ................................................................................................... 137
Solving power supply problems ....................................................................................... 140
Testing power supply ...................................................................................... 140
Solving diskette problems ................................................................................................ 142
Solving hard drive problems ............................................................................................ 143
Solving display problems ................................................................................................. 145
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