HP Z1 G3 Maintenance And Service Manual page 7

Power supply ..................................................................................................................................... 44
4 Diagnostics and troubleshooting .................................................................................................................. 46
Calling support ..................................................................................................................................................... 47
Locating ID labels ................................................................................................................................................ 47
Locating warranty information ........................................................................................................................... 48
Diagnosis guidelines ............................................................................................................................................ 48
Diagnosis at startup .......................................................................................................................... 48
Diagnosis during operation ............................................................................................................... 48
Troubleshooting checklist ................................................................................................................................... 49
HP troubleshooting resources and tools ............................................................................................................. 49
Online support ................................................................................................................................... 49
Helpful hints ...................................................................................................................................... 50
Troubleshooting scenarios and solutions ........................................................................................................... 52
Solving minor problems .................................................................................................................... 52
Solving hard drive problems ............................................................................................................. 53
Solving internal display problems .................................................................................................... 55
Solving externally connected display problems ............................................................................... 57
Solving audio problems ..................................................................................................................... 59
Solving printer problems ................................................................................................................... 60
Using HP PC Hardware Diagnostics (UEFI) ........................................................................................................... 60
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................. 61
POST error messages and diagnostic front panel LEDs and audible codes ....................................................... 61
POST numeric codes and text messages .......................................................................................... 62
Interpreting system validation diagnostic front panel LEDs and audible codes ................................................ 67
5 Configuring password security and resetting CMOS ........................................................................................ 69
Preparing to configure passwords ...................................................................................................................... 69
Resetting the password jumper .......................................................................................................................... 69
Clearing and resetting the BIOS ........................................................................................................................... 71
Power supply specifications ........................................................................................... 44
Power consumption and heat dissipation ...................................................................... 44
Resetting the power supply ............................................................................................ 45
Troubleshooting a problem ............................................................................................ 50
Customer Advisories, Bulletins, Notices, and Product Change Notifications ................ 50
Product Change Notifications ....................................................................... 50
At startup ........................................................................................................................ 50
During operation ............................................................................................................. 50
Customer Self-Repair program ....................................................................................... 51
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