HP xw4550 Service And Technical Reference Manual page 7

Troubleshooting checklist ................................................................................................................. 120
LED color definitions ....................................................................................................................... 121
HP Insight Diagnostics Offline Edition .............................................................................................. 122
Key features and benefits ................................................................................................ 122
Theory of operation .......................................................................................................... 122
Using the Diagnostic Utility on CD ................................................................................... 122
Downloading the latest diagnostic utility .......................................................................... 123
The HP Insight Diagnostic User Interface ....................................................................... 123
Status tab ......................................................................................................................... 125
Log tab ............................................................................................................................. 125
Help tab ........................................................................................................................... 126
POST error messages ...................................................................................................................... 127
6 Configuring password security and resetting CMOS
Preparing to configure passwords .................................................................................................... 135
Resetting the password jumper ........................................................................................................ 136
Clearing and Resetting the CMOS ................................................................................................... 137
Using the CMOS switch ................................................................................................... 137
Using the Computer Setup (F10) Utility to reset CMOS .................................................. 138
Appendix A Appendix A-Workstation connector pins
Connector pin descriptions ............................................................................................................... 139
Appendix B Appendix B-System board designators
Appendix C Appendix C- Routine care
General cleaning safety precautions ............................................................................................... 149
Cleaning the workstation case ......................................................................................................... 149
Cleaning the keyboard .................................................................................................................... 149
Cleaning the monitor ....................................................................................................................... 150
Cleaning the mouse ......................................................................................................................... 150
ENWW
Solving memory problems .............................................................................. 116
Solving processor problems ........................................................................... 117
Solving DVD problems ................................................................................... 117
Solving Internet access problems .................................................................. 118
Survey tab ....................................................................................................... 124
Test tab ........................................................................................................... 124
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