HP ProDesk 400 G4 Maintenance And Service Manual page 6

Front bezel ........................................................................................................................................................... 25
Dust cover ............................................................................................................................................................ 26
Slim optical drive ................................................................................................................................................. 27
Drive cage ............................................................................................................................................................ 28
Hard drive ............................................................................................................................................................. 29
Speaker ................................................................................................................................................................ 31
WLAN module ...................................................................................................................................................... 32
Memory module ................................................................................................................................................... 34
Expansion card ..................................................................................................................................................... 35
Power supply ....................................................................................................................................................... 37
Fan cowling .......................................................................................................................................................... 38
Fan-sink ............................................................................................................................................................... 39
Processor ............................................................................................................................................................. 41
System board ....................................................................................................................................................... 42
5 Computer Setup (F10) Utility ........................................................................................................................ 44
Computer Setup (F10) Utilities ............................................................................................................................ 44
Recovering the Configuration Settings ............................................................................................................... 55
6 Troubleshooting without diagnostics ............................................................................................................ 56
Safety and comfort .............................................................................................................................................. 56
Before you call for technical support .................................................................................................................. 56
Helpful hints ........................................................................................................................................................ 57
Solving general problems .................................................................................................................................... 58
Solving power problems ...................................................................................................................................... 62
Solving hard drive problems ................................................................................................................................ 63
Solving media card reader problems ................................................................................................................... 65
Solving display problems .................................................................................................................................... 66
Solving audio problems ....................................................................................................................................... 70
Solving printer problems ..................................................................................................................................... 72
Solving keyboard and mouse problems .............................................................................................................. 73
Solving hardware installation problems ............................................................................................................. 76
Solving network problems .................................................................................................................................. 77
Solving memory problems .................................................................................................................................. 81
Solving USB flash drive problems ........................................................................................................................ 82
Solving front panel component problems .......................................................................................................... 83
Solving Internet access problems ....................................................................................................................... 83
vi
Using Computer Setup (F10) Utilities ................................................................................................ 44
Computer Setup-Main ....................................................................................................................... 46
Computer Setup-Security ............................................................................................................... 48
Computer Setup-Advanced ............................................................................................................. 50