HP TouchSmart 9300 Elite Maintenance & Service Manual page 7

Volume button board .......................................................................................................................... 69
Rear logo cover .................................................................................................................................. 71
Webcam module ................................................................................................................................ 72
Main rear frame .................................................................................................................................. 74
Power button board ............................................................................................................................ 75
System board shield ........................................................................................................................... 76
Speakers ............................................................................................................................................ 78
Infrared sensor board ......................................................................................................................... 80
Fan ..................................................................................................................................................... 82
Fan Sink (Thermal Module) ................................................................................................................ 84
Processor ........................................................................................................................................... 85
Hard drive connector .......................................................................................................................... 88
Graphics board ................................................................................................................................... 90
WLAN module and TV tuner module .................................................................................................. 92
System Board ..................................................................................................................................... 95
Display Panel ..................................................................................................................................... 97
G-sensor board .................................................................................................................................. 99
Appendix A POST Error Messages .............................................................................................................. 101
POST Numeric Codes and Text Messages ..................................................................................... 102
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes .............................................. 109
Appendix B Troubleshooting Without Diagnostics .................................................................................... 112
Safety and Comfort .......................................................................................................................... 112
Solving General Problems ................................................................................................................ 113
Solving Power Problems .................................................................................................................. 116
Solving Diskette Problems ............................................................................................................... 117
Solving Hard Drive Problems ........................................................................................................... 120
Solving Media Card Reader Problems ............................................................................................. 123
Solving Display Problems ................................................................................................................. 125
Solving Audio Problems ................................................................................................................... 128
Solving Printer Problems .................................................................................................................. 130
Solving Keyboard and Mouse Problems .......................................................................................... 131
Solving Hardware Installation Problems ........................................................................................... 133
Solving Network Problems ............................................................................................................... 135
Solving Memory Problems ............................................................................................................... 139
Solving Processor Problems ............................................................................................................ 140
Solving CD-ROM and DVD Problems .............................................................................................. 141
Solving USB Flash Drive Problems .................................................................................................. 143
Solving Internet Access Problems .................................................................................................... 144
Solving Software Problems .............................................................................................................. 147
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