HP Z4 G4 Maintenance And Service Manual page 6

Memory fan assembly ......................................................................................................................................... 20
Front fan/PCIe and card guide assembly ............................................................................................................ 21
Rear fan ................................................................................................................................................................ 22
CPU cooler ............................................................................................................................................................ 23
Processor ............................................................................................................................................................. 24
System board ....................................................................................................................................................... 25
Power supply ....................................................................................................................................................... 26
5 Computer Setup (F10) Utility ........................................................................................................................ 27
Computer Setup (F10) Utilities ............................................................................................................................ 27
Recovering the Configuration Settings ............................................................................................................... 37
6 Troubleshooting without diagnostics ............................................................................................................ 38
Safety and comfort .............................................................................................................................................. 38
Before you call for technical support .................................................................................................................. 38
Helpful hints ........................................................................................................................................................ 39
Solving general problems .................................................................................................................................... 40
Solving power problems ...................................................................................................................................... 44
Solving hard drive problems ................................................................................................................................ 45
Solving media card reader problems ................................................................................................................... 47
Solving display problems .................................................................................................................................... 48
Solving audio problems ....................................................................................................................................... 52
Solving printer problems ..................................................................................................................................... 54
Solving keyboard and mouse problems .............................................................................................................. 55
Solving hardware installation problems ............................................................................................................. 56
Solving network problems .................................................................................................................................. 57
Solving memory problems .................................................................................................................................. 60
Solving USB flash drive problems ........................................................................................................................ 61
Solving front panel component problems .......................................................................................................... 62
Solving Internet access problems ....................................................................................................................... 63
Solving software problems .................................................................................................................................. 64
7 POST error messages and diagnostic front panel LEDs and audible codes ......................................................... 65
POST numeric codes and text messages ............................................................................................................. 66
Interpreting system validation diagnostic front panel LEDs and audible codes ................................................ 71
vi
Using Computer Setup (F10) Utilities ................................................................................................ 28
Computer Setup-Main ....................................................................................................................... 29
Computer Setup-Security ............................................................................................................... 31
Computer Setup-Advanced ............................................................................................................. 33