HP 303B Maintenance & Service Guide: HP 303B Microtower Business PC - Page 6

Appendix B, Diagnostics, Troubleshooting Without Diagnostics, Connector Pin Assignments

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Page 6 highlights

Computer Setup-Advanced 35 Computer Setup-Power 36 Computer Setup-Boot ...38 Computer Setup-Exit ...39 Appendix B Diagnostics ...40 Power states ...40 Accessing HP Insight Diagnostics ...41 Testing Memory Modules ...41 POST Error/Warning Messages ...42 Power Button/Power Button LED ...43 Using the Setup Utility ...43 BIOS Updates ...44 Clearing CMOS ...44 Appendix C Troubleshooting Without Diagnostics 46 Safety and Comfort ...46 Before You Call for Technical Support 46 Helpful Hints ...47 Solving General Problems ...48 Solving Power Problems ...49 Solving Hard Drive Problems ...50 Solving Media Card Reader Problems 51 Solving Display Problems ...52 Solving Audio Problems ...53 Solving Keyboard and Mouse Problems 53 Solving Network Problems ...54 Solving Memory Problems ...55 Solving CD-ROM and DVD Problems 56 Solving Front Panel Component Problems 57 Appendix D Connector Pin Assignments ...58 4-Pin Power (for CPU) ...58 Ethernet BNC ...58 USB ...58 Microphone ...59 Headphone ...59 Line-in Audio ...59 Line-out Audio ...59 Serial Interface, Powered and Non-Powered 59 Monitor ...61 24-Pin Power ...61 PCI Express ...62 vi

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Computer Setup—Advanced
.............................................................................................
35
Computer Setup—Power
...................................................................................................
36
Computer Setup—Boot
......................................................................................................
38
Computer Setup—Exit
.......................................................................................................
39
Appendix B
Diagnostics
..................................................................................................................................
40
Power states
.......................................................................................................................................
40
Accessing HP Insight Diagnostics
......................................................................................................
41
Testing Memory Modules
...................................................................................................................
41
POST Error/Warning Messages
.........................................................................................................
42
Power Button/Power Button LED
.......................................................................................................
43
Using the Setup Utility
........................................................................................................................
43
BIOS Updates
....................................................................................................................................
44
Clearing CMOS
..................................................................................................................................
44
Appendix C
Troubleshooting Without Diagnostics
......................................................................................
46
Safety and Comfort
............................................................................................................................
46
Before You Call for Technical Support
...............................................................................................
46
Helpful Hints
.......................................................................................................................................
47
Solving General Problems
..................................................................................................................
48
Solving Power Problems
....................................................................................................................
49
Solving Hard Drive Problems
.............................................................................................................
50
Solving Media Card Reader Problems
...............................................................................................
51
Solving Display Problems
...................................................................................................................
52
Solving Audio Problems
.....................................................................................................................
53
Solving Keyboard and Mouse Problems
............................................................................................
53
Solving Network Problems
.................................................................................................................
54
Solving Memory Problems
.................................................................................................................
55
Solving CD-ROM and DVD Problems
................................................................................................
56
Solving Front Panel Component Problems
........................................................................................
57
Appendix D
Connector Pin Assignments
......................................................................................................
58
4-Pin Power (for CPU)
........................................................................................................................
58
Ethernet BNC
.....................................................................................................................................
58
USB
....................................................................................................................................................
58
Microphone
.........................................................................................................................................
59
Headphone
.........................................................................................................................................
59
Line-in Audio
......................................................................................................................................
59
Line-out Audio
....................................................................................................................................
59
Serial Interface, Powered and Non-Powered
.....................................................................................
59
Monitor
...............................................................................................................................................
61
24-Pin Power
......................................................................................................................................
61
PCI Express
.......................................................................................................................................
62
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