HP Pro SFF 400 G9

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● Do not bend any cable sharply. A sharp bend can break the internal wires.

● Never bend a SATA data cable tighter than a 30 mm (1.18 in) radius.

● Never crease a SATA data cable.

Cable management 21

Main Page

Legal Information2
Table of Contents3
Product Features8
Front Panel Components8
Rear Panel Components9
Serial Number Location10
Illustrated Parts Catalog11
Computer Major Components11
Mass Storage Devices15
Cables16
Miscellaneous Parts16
Routine Care, Drive Guidelines, and Disassembly Preparation19
Electrostatic Discharge Information19
Generating Static Electricity19
Preventing Electrostatic Damage to Equipment20
Personal Grounding Methods and Equipment20
Grounding the Work Area21
Recommended Materials and Equipment21
Operating Guidelines22
Routine Care22
General Cleaning Safety Precautions22
Removing Dirt and Debris from Your Computer23
Cleaning Your Computer with a Disinfectant23
Cleaning the Computer Case24
Cleaning the Keyboard24
Cleaning the Monitor25
Cleaning the Mouse25
Service Considerations25
Tools and Software Requirements25
Screws26
Cables and Connectors26
Hard Drives26
Lithium Coin Cell Battery26
SATA Hard Drives27
Cable Management27
Removal and Replacement Procedures29
Preparation for Disassembly29
Access Panel30
Battery30
Optical Drive32
Front Bezel33
Hard Drives34
Speaker36
WLAN Module37
Solid-State Drive39
Memory Modules (Dimms)41
Expansion Card44
Fan Hood46
Option Board46
Heat Sink47
Processor49
Power Supply51
System Board52
Wireless Antennas (Select Models Only)54
Troubleshooting Without Diagnostics57
Before You Call for Technical Support57
Helpful Hints58
Solving General Problems58
Cannot Access the Computer Setup (F10) Utility When Booting the Computer59
Computer Appears Locked up and will Not Turn off When the Power Button Is Pressed59
Computer will Not Respond to Keyboard or Mouse59
Computer Date and Time Display Is Incorrect59
There Is no Sound or Sound Volume Is too Low60
Cannot Remove Computer Cover or Access Panel60
Poor Performance60
System Does Not Turn on and the Lights on the Front of the Computer Are Not Blinking61
Solving Power Problems61
Power Supply Shuts down Intermittently61
Solving Hard Drive Problems62
Hard Drive Error Occurs62
Disk Drive Transaction Problem62
Drive Not Found (Identified)62
Nonsystem Disk/Ntldr Missing Message63
Computer will Not Boot from Hard Drive63
Computer Seems to be Locked up63
Solving Audio Problems64
Sound Cuts in and out64
Sound Does Not Come out of the Speaker or Headphones64
Computer Appears to be Locked up While Recording Audio64
Line-In Jack Is Not Functioning Properly64
Solving Printer Problems65
Printer will Not Print65
Printer will Not Turn on65
Printer Prints Garbled Information65
Solving Keyboard and Mouse Problems66
Keyboard Commands and Typing Are Not Recognized by the Computer66
Mouse Does Not Respond to Movement or Is too Slow66
Solving Hardware Installation Problems66
A New Device Is Not Recognized as Part of the System67
Computer will Not Start67
Solving Network Problems67
Network Driver Does Not Detect Network Controller68
Network Status Link Light Never Blinks68
Diagnostics Reports a Failure68
Diagnostics Passes, but the Computer Does Not Communicate with the Network69
Network Controller Stopped Working When an Expansion Board was Added to the Computer69
Network Controller Stops Working Without Apparent Cause69
Cannot Connect to Network Server When Attempting Remote System Installation69
System Setup Utility Reports Unprogrammed EEPROM69
Solving Memory Problems70
System will Not Boot or Does Not Function Properly after Installing Additional Memory Modules70
Out of Memory Error70
Memory Count During POST Is Wrong70
Insufficient Memory Error During Operation70
Solving USB Flash Drive Problems71
USB Flash Drive Is Not Seen as a Drive Letter in Windows71
USB Flash Drive Not Found (Identified)71
System will Not Boot from USB Flash Drive71
The Computer Boots to DOS after Making a Bootable Flash Drive71
Solving Internet Access Problems72
Unable to Connect to the Internet72
Cannot Automatically Launch Internet Programs72
Solving Software Problems72
Computer will Not Start up and the HP Logo Does Not Appear73
Illegal Operation Has Occurred" Error Message Is Displayed73
Computer Setup (F10) Utility74
Using Computer Setup (F10) Utilities74
Computer Setup Main75
Computer Setup Security79
Computer Setup Advanced85
POST Error Messages95
POST Numeric Codes and Text Messages95
Interpreting POST Diagnostic Front Panel Lights and Audible Codes102
Password Security and Resetting CMOS105
Changing a Setup or Power-On Password105
Deleting a Setup or Power-On Password106
Backing Up, Restoring, and Recovering107
Backing up Information and Creating Recovery Media107
Using Windows Tools for Backing up107
Using the HP Cloud Recovery Download Tool to Create Recovery Media (Select Products Only)107
Restoring and Recovering Your System108
Creating a System Restore108
Restoring and Recovery Methods108
Recovering Using HP Recovery Media108
Changing the Computer Boot Order109
Using HP Sure Recover (Select Products Only)109
Statement of Memory Volatility110
Current BIOS Steps110
Nonvolatile Memory Usage112
Questions and Answers113
Using HP Sure Start (Select Products Only)115
Using HP PC Hardware Diagnostics116
Using HP PC Hardware Diagnostics Windows (Select Products Only)116
Using an HP PC Hardware Diagnostics Windows Hardware Failure ID Code116
Accessing HP PC Hardware Diagnostics Windows116
Accessing HP PC Hardware Diagnostics Windows from HP Support Assistant116
Accessing HP PC Hardware Diagnostics Windows from the Start Menu (Select Products Only)117
Downloading HP PC Hardware Diagnostics Windows117
Downloading the Latest HP PC Hardware Diagnostics Windows Version from HP117
Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store117
Downloading HP Hardware Diagnostics Windows by Product Name or Number118
Only)118
Installing HP PC Hardware Diagnostics Windows118
Using HP PC Hardware Diagnostics UEFI118
Using an HP PC Hardware Diagnostics UEFI Hardware Failure ID Code118
Starting HP PC Hardware Diagnostics UEFI118
Only)119
Downloading HP PC Hardware Diagnostics UEFI to a USB Flash Drive119
Downloading the Latest HP PC Hardware Diagnostics UEFI Version120
Only)120
Using Remote HP PC Hardware Diagnostics UEFI Settings (Select Products Only)120
Downloading Remote HP PC Hardware Diagnostics UEFI120
Downloading the Latest Remote HP PC Hardware Diagnostics UEFI Version120
Downloading Remote HP PC Hardware Diagnostics UEFI by Product Name or Number121
Customizing Remote HP PC Hardware Diagnostics UEFI Settings121
Power Cord Set Requirements122
General Requirements122
Japanese Power Cord Requirements122
Country-Specific Requirements123
Specifications124
Index126

HP Pro SFF 400 G9 - Page 28

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