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
Customer Self-Repair program ................................................................. 125
Troubleshooting scenarios and solutions .................................................................................. 126
Solving minor problems ......................................................................................... 126
Solving hard drive problems ................................................................................... 128
Solving display problems ....................................................................................... 130
Solving audio problems ......................................................................................... 132
Solving printer problems ........................................................................................ 133
Solving power supply problems .............................................................................. 134
Testing power supply .............................................................................. 134
Self-troubleshooting with HP Vision Diagnostics ........................................................................ 136
Overview ............................................................................................................. 136
Downloading and accessing HP Vision Diagnostics ................................................... 137
Accessing HP Vision Diagnostics on the computer ..................................................... 137
Creating and using a bootable USB key ................................................... 138
Creating and using a bootable DVD ......................................................... 138
Using the HP Memory Test utility .............................................................. 138
User interface ....................................................................................................... 139
Survey tab ............................................................................................. 140
Test tab ................................................................................................. 141
Status tab .............................................................................................. 142
History tab ............................................................................................ 142
Errors tab .............................................................................................. 143
Help tab ............................................................................................... 143
Saving and printing information in HP Vision Diagnostics ........................................... 144
Self-troubleshooting with HP PC Hardware Diagnostics ............................................................. 145
Downloading HP PC Hardware Diagnostics ............................................................. 146
Accessing HP PC Hardware Diagnostics .................................................................. 147
User interface ....................................................................................................... 147
Running HP PC Hardware Diagnostics ..................................................................... 148
System information ................................................................................. 148
Hardware diagnostic tests ....................................................................... 149
Diagnostic codes and errors .................................................................................................. 150
Diagnostic LED and audible (beep) codes ................................................................ 150
LED color definitions .............................................................................................. 154
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