HP Z1 G2 - Page 7

DIMM installation order .................................................................................................. 43
Power supply ..................................................................................................................................... 44
Power supply specications ........................................................................................... 44
Power consumption and heat dissipation ...................................................................... 45
Resetting the power supply ............................................................................................ 45
Thermal sensors ................................................................................................................................ 45
4 Diagnostics and troubleshooting .................................................................................................................. 46
Calling support ..................................................................................................................................................... 47
Locating ID labels ................................................................................................................................................ 48
Locating warranty information ........................................................................................................................... 48
Diagnosis guidelines ............................................................................................................................................ 49
Diagnosis at startup .......................................................................................................................... 49
Diagnosis during operation ............................................................................................................... 49
Troubleshooting checklist ................................................................................................................................... 50
HP troubleshooting resources and tools ............................................................................................................. 50
Online support ................................................................................................................................... 50
Troubleshooting a problem ............................................................................................ 51
Customer Advisories, Bulletins, Notices, and Product Change Notications ................ 51
Product Change Notications ....................................................................... 51
Helpful hints ...................................................................................................................................... 51
At startup ........................................................................................................................ 51
During operation ............................................................................................................. 52
Customer Self-Repair program ....................................................................................... 52
Troubleshooting scenarios and solutions ........................................................................................................... 53
Solving minor problems .................................................................................................................... 53
Solving hard drive problems ............................................................................................................. 54
Solving internal display problems .................................................................................................... 55
Solving externally connected display problems ............................................................................... 58
Solving audio problems ..................................................................................................................... 60
Solving printer problems ................................................................................................................... 61
Using HP PC Hardware Diagnostics (UEFI) ........................................................................................................... 62
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................... 62
Diagnostic codes and errors ................................................................................................................................ 63
Diagnostic LED and audible (beep) codes ......................................................................................... 63
LED color denitions ......................................................................................................................... 66
POST error messages ........................................................................................................................ 66
5 Conguring password security and resetting CMOS ........................................................................................ 71
Preparing to congure passwords ...................................................................................................................... 71
Resetting the password jumper .......................................................................................................................... 71
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