Removing Drives ............................................................................................................. 117
Removing an Optical Drive ............................................................................. 117
Removing the Hard Drive ................................................................................ 119
Power Switch .................................................................................................................................... 123
Front USB Assembly ........................................................................................................................ 125
Speaker ............................................................................................................................................ 127
Fan Assembly ................................................................................................................................... 129
Fan Sink ........................................................................................................................................... 131
Processor ......................................................................................................................................... 133
Power Supply ................................................................................................................................... 135
System Board ................................................................................................................................... 138
Battery .............................................................................................................................................. 139
Appendix A Troubleshooting Without Diagnostics .................................................................................... 141
Safety and Comfort .......................................................................................................................... 141
Before You Call for Technical Support ............................................................................................. 141
Helpful Hints ..................................................................................................................................... 142
Solving General Problems ................................................................................................................ 144
Solving Power Problems .................................................................................................................. 148
Solving Hard Drive Problems ........................................................................................................... 150
Solving Media Card Reader Problems ............................................................................................. 153
Solving Display Problems ................................................................................................................. 155
Solving Audio Problems ................................................................................................................... 160
Solving Printer Problems .................................................................................................................. 162
Solving Keyboard and Mouse Problems .......................................................................................... 164
Solving Hardware Installation Problems ........................................................................................... 166
Solving Network Problems ............................................................................................................... 168
Solving Memory Problems ............................................................................................................... 171
Solving Processor Problems ............................................................................................................ 173
Solving CD-ROM and DVD Problems .............................................................................................. 173
Solving USB Flash Drive Problems .................................................................................................. 176
Solving Front Panel Component Problems ...................................................................................... 177
Solving Internet Access Problems .................................................................................................... 177
Solving Software Problems .............................................................................................................. 179
Contacting Customer Support .......................................................................................................... 181
Appendix B HP PC Hardware Diagnostics .................................................................................................. 182
Why run HP PC Hardware Diagnostics ............................................................................................ 182
How to access and run HP PC Hardware Diagnostics ..................................................................... 183
Downloading HP PC Hardware Diagnostics to a USB device .......................................................... 184
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