Also See for ProDesk 400 G4
Hardware reference manual - 53 pages
Maintenance and service manual - 130 pages
Product end-of-life disassembly instructions - 17 pages
Maintenance and service manual - 130 pages
Product end-of-life disassembly instructions - 17 pages
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Solving keyboard and mouse problems .............................................................................................................. 69
Solving hardware installation problems ............................................................................................................. 71
Solving network problems .................................................................................................................................. 72
Solving memory problems .................................................................................................................................. 74
Solving USB flash drive problems ........................................................................................................................ 76
Solving Internet access problems ....................................................................................................................... 76
Solving software problems .................................................................................................................................. 77
7 POST error messages and diagnostic front panel LEDs and audible codes ......................................................... 79
POST numeric codes and text messages ............................................................................................................. 79
Interpreting system validation diagnostic front panel LEDs and audible codes ................................................ 84
8 Password security and resetting CMOS .......................................................................................................... 86
Resetting the password jumper .......................................................................................................................... 86
Clearing and resetting the BIOS ........................................................................................................................... 88
9 Using HP PC Hardware Diagnostics ................................................................................................................ 89
Using HP PC Hardware Diagnostics Windows ..................................................................................................... 89
Downloading HP PC Hardware Diagnostics Windows ....................................................................... 89
Installing HP PC Hardware Diagnostics Windows ............................................................................. 90
Using HP PC Hardware Diagnostics UEFI ............................................................................................................. 90
Starting HP PC Hardware Diagnostics UEFI ....................................................................................... 91
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive .............................................. 91
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only) ............................................. 92
Downloading Remote HP PC Hardware Diagnostics UEFI ................................................................. 92
Customizing Remote HP PC Hardware Diagnostics UEFI settings .................................................... 92
Appendix A Power Cord Set Requirements ........................................................................................................ 94
General Requirements ......................................................................................................................................... 94
Japanese Power Cord Requirements ................................................................................................................... 94
Country-Specific Requirements .......................................................................................................................... 95
Downloading the latest HP PC Hardware Diagnostics Windows version ....................... 90
(select products only) ..................................................................................................... 90
Downloading the latest HP PC Hardware Diagnostics UEFI version .............................. 91
(select products only) ..................................................................................................... 91
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version ................. 92
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Table of Contents
Also See for HP ProDesk 400 G4
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