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