HP Pro Tower 400 G9 - Service Manual

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Maintenance and Service Guide

HP Pro Tower 400 G9 PCI Desktop PC

HP Pro Tower 480 G9 PCI Desktop PC

SUMMARY

This guide provides information about spare parts, removal and replacement of parts, security, backing up, and

more.

Main Page

Table of Contents3
Computer Features8
Standard Configuration Features8
Front Panel Components8
Rear Panel Components9
Serial Number Location10
Illustrated Parts Catalog12
Computer Major Components12
Mass Storage Devices16
Miscellaneous Parts17
Routine Care, Drive Guidelines, and Disassembly Preparation20
Electrostatic Discharge Information20
Generating Static Electricity20
Preventing Electrostatic Damage to Equipment21
Personal Grounding Methods and Equipment21
Grounding the Work Area22
Recommended Materials and Equipment22
Operating Guidelines23
Routine Care23
General Cleaning Safety Precautions23
Removing Dirt and Debris from Your Computer24
Cleaning Your Computer with a Disinfectant24
Cleaning the Computer Case25
Cleaning the Keyboard25
Cleaning the Monitor26
Cleaning the Mouse26
Service Considerations26
Tools and Software Requirements26
Screws27
Cables and Connectors27
Hard Drives27
Lithium Coin Cell Battery27
SATA Hard Drives28
Cable Management28
Removal and Replacement Procedures30
Preparation for Disassembly30
Access Panel30
Memory Modules (Dimms)31
Optical Drive33
Front Bezel35
Front Bezel Security36
Bezel Blanks37
System Board Connections38
Metal Bracket39
Battery40
Expansion Card42
Hard Drive43
Drive Cage Screw Locations46
Drive Cage46
Solid-State Drive47
WLAN Module49
Fan51
Serial Port52
Hood Sensor53
Option Board54
Heat Sink55
Processor57
Card Reader58
Speaker59
Power Supply60
System Board61
Wireless Antennas and Cables63
Troubleshooting Without Diagnostics66
Before You Call for Technical Support66
Helpful Hints67
Solving General Problems67
Cannot Access the Computer Setup (F10) Utility When Booting the Computer67
Computer Appears Locked up and will Not Turn off When the Power Button Is Pressed68
Computer will Not Respond to Keyboard or Mouse68
Computer Date and Time Display Is Incorrect68
There Is no Sound or Sound Volume Is too Low68
Cannot Remove Computer Cover or Access Panel69
Poor Performance69
Computer Turned off with Four Red Blinks and Two White Blinks70
System Does Not Turn on and the Lights on the Front of the Computer Are Not Blinking70
Solving Power Problems71
Power Supply Shuts down Intermittently71
Two Red Blinks then Two Beeps71
Four Red Blinks then Four Beeps72
Solving Hard Drive Problems72
Hard Drive Error Occurs72
Disk Drive Transaction Problem72
Drive Not Found (Identified)73
Nonsystem Disk/Ntldr Missing Message73
Computer will Not Boot from Hard Drive73
Computer Seems to be Locked up74
Solving Audio Problems74
Sound Cuts in and out74
Sound Does Not Come out of the Speaker or Headphones74
Computer Appears to be Locked up While Recording Audio75
Line-In Jack Is Not Functioning Properly75
Solving Printer Problems75
Printer will Not Print75
Printer will Not Turn on76
Printer Prints Garbled Information76
Printer will Not Print76
Solving Keyboard and Mouse Problems76
Keyboard Commands and Typing Are Not Recognized by the Computer76
Mouse Does Not Respond to Movement or Is too Slow77
Solving Hardware Installation Problems77
A New Device Is Not Recognized as Part of the System77
Computer will Not Start78
Three Red Blinks then Two White Blinks78
Solving Network Problems79
Network Driver Does Not Detect Network Controller79
Network Status Link Light Never Blinks79
Diagnostics Reports a Failure79
Diagnostics Passes, but the Computer Does Not Communicate with the Network80
Network Controller Stopped Working When an Expansion Board was Added to the Computer80
Network Controller Stops Working Without Apparent Cause80
Cannot Connect to Network Server When Attempting Remote System Installation80
System Setup Utility Reports Unprogrammed EEPROM81
Solving Memory Problems81
System will Not Boot or Does Not Function Properly after Installing Additional Memory Modules81
Out of Memory Error81
Memory Count During POST Is Wrong81
Insufficient Memory Error During Operation82
Five Red Blinks then Five Beeps82
Solving USB Flash Drive Problems82
USB Flash Drive Is Not Seen as a Drive Letter in Windows82
USB Flash Drive Not Found (Identified)82
System will Not Boot from USB Flash Drive83
The Computer Boots to DOS after Making a Bootable Flash Drive83
Solving Internet Access Problems83
Unable to Connect to the Internet83
Cannot Automatically Launch Internet Programs84
Solving Software Problems84
Computer will Not Start up and the HP Logo Does Not Appear84
Illegal Operation Has Occurred" Error Message Is Displayed84
Computer Setup (F10) Utility85
Using Computer Setup (F10) Utilities85
Computer Setup Main86
Computer Setup Security90
Computer Setup Advanced96
POST Error Messages106
POST Numeric Codes and Text Messages106
Interpreting POST Diagnostic Front Panel Lights and Audible Codes112
Password Security and Resetting CMOS115
Changing a Setup or Power-On Password115
Deleting a Setup or Power-On Password115
Backing Up, Restoring, and Recovering117
Backing up Information and Creating Recovery Media117
Using Windows Tools for Backing up117
Using the HP Cloud Recovery Download Tool to Create Recovery Media (Select Products Only)117
Restoring and Recovering Your System117
Creating a System Restore118
Restoring and Recovery Methods118
Recovering Using HP Recovery Media118
Changing the Computer Boot Order119
Using HP Sure Recover (Select Products Only)119
Using HP PC Hardware Diagnostics120
Using HP PC Hardware Diagnostics Windows (Select Products Only)120
Using an HP PC Hardware Diagnostics Windows Hardware Failure ID Code120
Accessing HP PC Hardware Diagnostics Windows120
Accessing HP PC Hardware Diagnostics Windows from HP Support Assistant120
Accessing HP PC Hardware Diagnostics Windows from the Start Menu (Select Products Only)121
Downloading HP PC Hardware Diagnostics Windows121
Downloading the Latest HP PC Hardware Diagnostics Windows Version from HP121
Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store121
Downloading HP Hardware Diagnostics Windows by Product Name or Number121
Only)121
Installing HP PC Hardware Diagnostics Windows122
Using HP PC Hardware Diagnostics UEFI122
Using an HP PC Hardware Diagnostics UEFI Hardware Failure ID Code122
Starting HP PC Hardware Diagnostics UEFI122
Only)123
Downloading HP PC Hardware Diagnostics UEFI to a USB Flash Drive123
Downloading the Latest HP PC Hardware Diagnostics UEFI Version124
Only)124
Using Remote HP PC Hardware Diagnostics UEFI Settings (Select Products Only)124
Downloading Remote HP PC Hardware Diagnostics UEFI124
Downloading the Latest Remote HP PC Hardware Diagnostics UEFI Version124
Downloading Remote HP PC Hardware Diagnostics UEFI by Product Name or Number124
Customizing Remote HP PC Hardware Diagnostics UEFI Settings125
Statement of Memory Volatility126
Current BIOS Steps126
Nonvolatile Memory Usage128
Questions and Answers129
Using HP Sure Start (Select Products Only)130
Power Cord Set Requirements131
General Requirements131
Japanese Power Cord Requirements131
Country-Specific Requirements131
Specifications133
Index134

Brand	HP
Model	Pro Tower 400 G9
Category	Desktop
Language	English

HP Pro Tower 400 G9 - Service Manual

Table of Contents

HP Pro Tower 400 G9 Specifications

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