HP Z230 Workstation - Maintenance and Service Guide

HP troubleshooting resources and tools ............................................................................................................ 78
Online support ................................................................................................................................... 78
Troubleshooting a problem ............................................................................................ 79
Customer Advisories, Bulletins, Notices, and Product Change Notifications ................ 79
Product Change Notifications ...................................................................... 79
Helpful hints ...................................................................................................................................... 80
At startup ........................................................................................................................ 80
During operation ............................................................................................................. 80
Customer Self-Repair program ...................................................................................... 81
Troubleshooting scenarios and solutions ........................................................................................................... 82
Solving minor problems .................................................................................................................... 82
Solving hard drive problems ............................................................................................................. 83
Solving display problems .................................................................................................................. 85
Solving audio problems .................................................................................................................... 86
Solving printer problems .................................................................................................................. 87
Solving power supply problems ....................................................................................................... 89
Testing power supply ..................................................................................................... 89
Using HP PC Hardware Diagnostics (UEFI) .......................................................................................................... 91
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................. 91
Diagnostic codes and errors ................................................................................................................................ 92
Diagnostic LED and audible (beep) codes ......................................................................................... 92
LED color definitions ......................................................................................................................... 95
POST error messages ........................................................................................................................ 95
5 Configuring password security and resetting CMOS ...................................................................................... 100
Preparing to configure passwords .................................................................................................................... 100
Resetting the password jumper ........................................................................................................................ 101
Clearing and resetting the CMOS ....................................................................................................................... 102
Using the CMOS button to reset CMOS ........................................................................................... 102
Using Computer Setup (f10) Utility to reset CMOS ......................................................................... 103
Appendix A Linux technical notes .................................................................................................................. 104
System RAM ....................................................................................................................................................... 104
Audio .................................................................................................................................................................. 104
Network cards ................................................................................................................................................... 105
Hyper-Threading Technology ........................................................................................................................... 105
NVIDIA Graphics Workstations .......................................................................................................................... 106
AMD Graphics Workstations .............................................................................................................................. 107
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