Installing the battery .......................................................................................... 88
Power connections to drives .............................................................................................. 89
Optical drive (minitower configuration) .............................................................................. 90
Removing an optical drive (minitower configuration) ........................................ 90
Installing an optical drive (minitower configuration) .......................................... 91
Optical drive (desktop configuration) ................................................................................. 92
Removing an optical drive (desktop configuration) ........................................... 92
Installing an optical drive (desktop configuration) ............................................. 94
Diskette drive (optional) ..................................................................................................... 95
Removing a diskette drive ................................................................................. 95
SAS hard drive ................................................................................................................... 96
Removing a SAS hard drive .............................................................................. 96
Installing a SAS hard drive ................................................................................ 97
SATA hard drive ................................................................................................................ 99
Removing a SATA hard drive ............................................................................ 99
Installing a SATA hard drive ............................................................................ 100
Installing SATA hard drives in the optical drive bays (optional) ...................... 102
Processor heatsink .......................................................................................................... 103
Removing the processor heatsink ................................................................... 103
Installing the processor heatsink ..................................................................... 105
System processor ............................................................................................................ 105
Removing a system processor ........................................................................ 105
Installing a system processor .......................................................................... 106
System board ................................................................................................................... 107
Removing the system board ........................................................................... 107
Installing the system board ............................................................................. 108
Product recycling .............................................................................................................................. 108
5 System diagnostics and troubleshooting
Customer Self Help .......................................................................................................................... 110
Help and Support Center ................................................................................................. 110
HP SoftPaq Download Manager ...................................................................................... 110
Diagnostic LED codes ..................................................................................................... 110
Troubleshooting scenarios and solutions ........................................................................ 113
Solving minor problems ................................................................................... 113
Solving power supply problems ...................................................................... 114
Testing power supply ...................................................................... 115
Solving diskette problems .............................................................................. 116
Solving hard drive problems ............................................................................ 117
Solving display problems ................................................................................ 118
Solving audio problems ................................................................................... 120
Solving printer problems ................................................................................. 121
Solving keyboard and mouse problems .......................................................... 122
Solving front panel component problems ........................................................ 123
Solving hardware installation problems ........................................................... 123
Solving network problems ............................................................................... 125
Solving memory problems ............................................................................... 126
Solving processor problems ............................................................................ 127
Solving DVD problems .................................................................................... 127
Solving Internet access problems ................................................................... 128
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