Contents 4
Pre-diagnostic steps ................................................................................................................................. 37
Important safety information............................................................................................................ 37
Symptom information ..................................................................................................................... 39
Preparing the server for diagnosis.................................................................................................... 39
Common problem resolution ..................................................................................................................... 41
Loose connections.......................................................................................................................... 41
Service notifications....................................................................................................................... 41
Updating firmware ........................................................................................................................ 41
Hard drive guidelines..................................................................................................................... 42
Diagnostic flowcharts............................................................................................................................... 44
Troubleshooting flowcharts ............................................................................................................. 44
Hardware problems................................................................................................................................. 54
Power problems ............................................................................................................................ 54
General hardware problems........................................................................................................... 55
Internal system problems................................................................................................................. 57
System open circuits and short circuits.............................................................................................. 64
External device problems................................................................................................................ 65
Audio problems............................................................................................................................. 66
Printer problems ............................................................................................................................ 66
Mouse and keyboard problems....................................................................................................... 66
Modem problems .......................................................................................................................... 66
Network controller problems ........................................................................................................... 68
Software problems .................................................................................................................................. 70
Operating system problems ............................................................................................................ 70
Operating system updates .............................................................................................................. 71
Restoring to a backed-up version ..................................................................................................... 71
When to reconfigure or reload software........................................................................................... 72
Linux operating systems.................................................................................................................. 72
Application software problems........................................................................................................ 72
Firmware maintenance............................................................................................................................. 73
Types of ROM............................................................................................................................... 73
ROMPaq Utility ............................................................................................................................. 74
Current firmware versions............................................................................................................... 74
Updating firmware ........................................................................................................................ 74
Drivers ......................................................................................................................................... 75
Contacting HP ........................................................................................................................................ 76
Contacting HP technical support or an authorized reseller................................................................... 76
Server information you need ........................................................................................................... 76
Operating system information you need ...........................................................................................77
Battery replacement .................................................................................................................... 81
Regulatory compliance notices ..................................................................................................... 82
Regulatory compliance identification numbers............................................................................................. 82
Federal Communications Commission notice............................................................................................... 82
FCC rating label............................................................................................................................ 82
Class A equipment......................................................................................................................... 83
Class B equipment......................................................................................................................... 83
Declaration of conformity for products marked with the FCC logo, United States only....................................... 83
Modifications.......................................................................................................................................... 84
Cables................................................................................................................................................... 84
Canadian notice (Avis Canadien).............................................................................................................. 84
European Union regulatory notice ............................................................................................................. 84
Disposal of waste equipment by users in private households in the European Union......................................... 85
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