Diagnosis guidelines ........................................................................................................................ 128
Diagnosis at startup ......................................................................................................... 128
Diagnosis during operation .............................................................................................. 129
Troubleshooting checklist ................................................................................................................. 130
HP troubleshooting resources and tools .......................................................................................... 131
HP Support Assistant ....................................................................................................... 131
HP Help and Support Center ........................................................................................... 131
E-support ......................................................................................................................... 131
Troubleshooting a problem ............................................................................. 132
Instant Support and Active Chat ..................................................................... 132
Customer Advisories, Customer and Security Bulletins, and Customer
Notices ............................................................................................................ 132
Product Change Notifications .......................................................................... 132
Helpful hints ..................................................................................................................... 132
At startup ......................................................................................................... 133
During operation .............................................................................................. 133
Customizing the monitor display ..................................................................... 134
Troubleshooting scenarios and solutions ......................................................................................... 134
Solving minor problems ................................................................................................... 134
Solving diskette problems ............................................................................................... 136
Solving hard drive problems ............................................................................................ 137
Solving display problems ................................................................................................. 138
Solving audio problems ................................................................................................... 140
Solving printer problems .................................................................................................. 141
Self-troubleshooting with HP Vision Diagnostics .............................................................................. 141
Overview .......................................................................................................................... 142
Downloading and accessing HP Vision Diagnostics ........................................................ 144
Accessing HP Vision Diagnostics on the computer ......................................................... 145
Creating and using a bootable USB key ......................................................... 145
Creating and using a bootable DVD ................................................................ 145
Using the HP Memory Test utility .................................................................... 145
User interface .................................................................................................................. 146
Survey tab ....................................................................................................... 146
Test tab ........................................................................................................... 148
Status tab ........................................................................................................ 150
History tab ....................................................................................................... 150
Errors tab ........................................................................................................ 150
Help tab ........................................................................................................... 151
Saving and printing information in HP Vision Diagnostics ............................................... 152
Diagnostic codes and errors ............................................................................................................. 152
Diagnostic LED and audible (beep) codes ...................................................................... 152
LED color definitions ........................................................................................................ 154
POST error messages ..................................................................................................... 156
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