HP ProDesk 400 G4 Maintenance And Service Manual page 6

Front bezel ........................................................................................................................................................... 17
Hood sensor ......................................................................................................................................................... 18
Speaker ................................................................................................................................................................ 19
Hard drive ............................................................................................................................................................. 20
Hard drive connector ........................................................................................................................................... 21
Drive cage ............................................................................................................................................................ 22
M.2 PCIe solid state drive (SSD) ........................................................................................................................... 23
WLAN module ...................................................................................................................................................... 24
Battery ................................................................................................................................................................. 25
Expansion connector board ................................................................................................................................. 27
Memory modules ................................................................................................................................................. 28
Fan ........................................................................................................................................................................ 31
Heat sink .............................................................................................................................................................. 32
Processor ............................................................................................................................................................. 34
System board ....................................................................................................................................................... 35
Internal WLAN antenna cables ............................................................................................................................ 39
Changing from desktop to tower configuration .................................................................................................. 41
5 Computer Setup (F10) Utility ........................................................................................................................ 42
Computer Setup (F10) Utilities ............................................................................................................................ 42
Recovering the Configuration Settings ............................................................................................................... 53
6 Troubleshooting without diagnostics ............................................................................................................ 54
Safety and comfort .............................................................................................................................................. 54
Before you call for technical support .................................................................................................................. 54
Helpful hints ........................................................................................................................................................ 55
Solving general problems .................................................................................................................................... 56
Solving power problems ...................................................................................................................................... 59
Solving hard drive problems ................................................................................................................................ 60
Solving media card reader problems ................................................................................................................... 62
Solving display problems .................................................................................................................................... 63
Solving audio problems ....................................................................................................................................... 67
Solving printer problems ..................................................................................................................................... 68
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Memory module specifications ......................................................................................................... 28
Removing memory modules ............................................................................................................. 28
System board components ............................................................................................................... 38
Using Computer Setup (F10) Utilities ................................................................................................ 42
Computer Setup-Main ....................................................................................................................... 44
Computer Setup-Security ............................................................................................................... 46
Computer Setup-Advanced ............................................................................................................. 49
Computer Setup-UEFI Drivers ......................................................................................................... 53