Replacing the processor ................................................................................... 98
System board ..................................................................................................................... 98
Removing the system board ............................................................................. 98
Replacing the System Board: ............................................................................ 99
Product recycling ................................................................................................................................ 99
5 System diagnostics and troubleshooting
E-Support ......................................................................................................................................... 101
Help and support center and E-Support .......................................................................... 101
Troubleshooting checklist ................................................................................................................. 102
LED color definitions ....................................................................................................................... 102
HP Insight Diagnostics Offline Edition .............................................................................................. 102
Key features and benefits ................................................................................................ 103
Theory of operation .......................................................................................................... 103
Starting the diagnostic utility from CD .............................................................................. 103
Download the ISO image ................................................................................................. 104
User interface .................................................................................................................. 104
Navigation ....................................................................................................... 104
Survey tab ....................................................................................................... 104
Test tab ........................................................................................................... 104
Status tab ......................................................................................................................... 105
Log tab ............................................................................................................................. 106
Help tab ........................................................................................................................... 106
Diagnostic error codes ..................................................................................................................... 106
Diagnostic light codes ...................................................................................................... 106
Troubleshooting scenarios and solutions ......................................................................................... 109
Solving minor problems .................................................................................................. 109
Solving power supply problems ....................................................................................... 111
Testing power supply ...................................................................................... 111
Solving diskette problems ............................................................................................... 112
Solving hard drive problems ............................................................................................ 114
Solving display problems ................................................................................................ 114
Solving audio problems .................................................................................................. 116
Solving printer problems .................................................................................................. 117
Solving keyboard and mouse problems ........................................................................... 118
Solving front panel component problems ........................................................................ 119
Solving hardware installation problems ........................................................................... 119
Solving network problems ............................................................................................... 121
Solving memory problems .............................................................................................. 122
Solving processor problems ........................................................................................... 123
Solving CD-ROM and DVD problems ............................................................................. 123
Solving Internet access problems ................................................................................... 124
Advanced error reporting .................................................................................................................. 125
ENWW vii
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