HP Z Series

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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 17

Main Page

Table of Contents4
Computer Features9
Front Components9
Left Components11
Rear Components11
Serial Number Location12
Product Specifications13
Illustrated Parts Catalog14
Computer Major Components14
Routine Care, Drive Guidelines, and Disassembly Preparation16
Electrostatic Discharge Information16
Generating Static Electricity16
Preventing Electrostatic Damage to Equipment17
Personal Grounding Methods and Equipment17
Grounding the Work Area18
Recommended Materials and Equipment18
Operating Guidelines19
Routine Care19
General Cleaning Safety Precautions19
Removing Dirt and Debris from Your Computer20
Cleaning Your Computer with a Disinfectant20
Cleaning the Computer Case21
Cleaning the Keyboard21
Cleaning the Monitor22
Cleaning the Mouse22
Service Considerations22
Tools and Software Requirements22
Screws23
Cables and Connectors23
Hard Drives23
Lithium Coin Cell Battery23
SATA Hard Drives24
Cable Management24
Removal and Replacement Procedures26
Preparation for Disassembly26
Front Bezel26
Dust Filter27
Access Panel28
I/O Assembly29
Battery30
Optical Drive31
Storage Device32
Memory Fan Duct34
Front Card Guide and Fan34
Memory Fan35
Rear Fan36
System Board37
Power Supply38
Heat Sink39
Processor40
Troubleshooting Without Diagnostics43
Before You Call for Technical Support43
Helpful Hints44
Solving General Problems44
Cannot Access the Computer Setup (F10) Utility When Booting the Computer44
Computer Appears Locked up and will Not Turn off When the Power Button Is Pressed45
Computer will Not Respond to Keyboard or Mouse45
Computer Date and Time Display Is Incorrect45
There Is no Sound or Sound Volume Is too Low45
Cannot Remove Computer Cover or Access Panel46
Poor Performance46
Times47
System Does Not Turn on and the Lights on the Front of the Computer Are Not Blinking47
Solving Power Problems48
Power Supply Shuts down Intermittently48
Blinking)49
Power Light Blinks Red Four Times Followed by a Two-Second Pause and the Computer Beeps Four Times (Beeps Stop after Fifth Iteration but Lights Continue Blinking)49
Solving Hard Drive Problems49
Hard Drive Error Occurs49
Disk Drive Transaction Problem50
Drive Not Found (Identified)50
Nonsystem Disk/Ntldr Missing Message50
Computer will Not Boot from Hard Drive51
Computer Seems to be Locked up51
Solving Audio Problems51
Sound Cuts in and out51
Sound Does Not Come out of the Speaker or Headphones51
Computer Appears to be Locked up While Recording Audio52
Line-In Jack Is Not Functioning Properly52
Solving Printer Problems52
Printer will Not Print52
Printer will Not Turn on53
Printer Prints Garbled Information53
Printer will Not Print53
Solving Keyboard and Mouse Problems53
Keyboard Commands and Typing Are Not Recognized by the Computer53
Mouse Does Not Respond to Movement or Is too Slow54
Solving Hardware Installation Problems54
A New Device Is Not Recognized as Part of the System55
Computer will Not Start55
Power Light Blinks Red Three Times and then White Two Times55
Solving Network Problems56
Network Driver Does Not Detect Network Controller56
Network Status Link Light Never Blinks56
Diagnostics Reports a Failure57
Diagnostics Passes, but the Computer Does Not Communicate with the Network57
Network Controller Stopped Working When an Expansion Board was Added to the Computer57
Network Controller Stops Working Without Apparent Cause57
Cannot Connect to Network Server When Attempting Remote System Installation58
System Setup Utility Reports Unprogrammed EEPROM58
Solving Memory Problems58
System will Not Boot or Does Not Function Properly after Installing Additional Memory Modules58
Out of Memory Error59
Memory Count During POST Is Wrong59
Insufficient Memory Error During Operation59
Power Light Blinks Red Five Times Followed by a Two-Second Pause and the Computer Beeps Five Times (Beeps Stop after Fifth Iteration but Lights Continue Blinking)59
Solving USB Flash Drive Problems59
USB Flash Drive Is Not Seen as a Drive Letter in Windows59
USB Flash Drive Not Found (Identified)60
System will Not Boot from USB Flash Drive60
The Computer Boots to DOS after Making a Bootable Flash Drive60
Solving Internet Access Problems60
Unable to Connect to the Internet60
Cannot Automatically Launch Internet Programs61
Solving Software Problems61
Computer will Not Start up and the HP Logo Does Not Appear61
Illegal Operation Has Occurred" Error Message Is Displayed61
Computer Setup (F10) Utility63
Using Computer Setup (F10) Utilities63
Computer Setup Main64
Computer Setup Security68
Computer Setup Advanced74
POST Error Messages83
POST Numeric Codes and Text Messages83
Interpreting System Validation Diagnostic Front Panel Leds and Audible Codes89
Password Security and Resetting CMOS92
Changing a Setup or Power-On Password92
Deleting a Setup or Power-On Password92
Using HP PC Hardware Diagnostics94
Using HP PC Hardware Diagnostics Windows (Select Products Only)94
Using an HP PC Hardware Diagnostics Windows Hardware Failure ID Code94
Accessing HP PC Hardware Diagnostics Windows94
Accessing HP PC Hardware Diagnostics Windows from the Start Menu94
Accessing HP PC Hardware Diagnostics Windows from Support Assistant95
Downloading HP PC Hardware Diagnostics Windows95
Downloading the Latest HP PC Hardware Diagnostics Windows Version from HP95
Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store95
Downloading HP Hardware Diagnostics Windows by Product Name or Number95
Only)95
Installing HP PC Hardware Diagnostics Windows96
Using HP PC Hardware Diagnostics UEFI96
Using an HP PC Hardware Diagnostics UEFI Hardware Failure ID Code96
Starting HP PC Hardware Diagnostics UEFI96
Downloading HP PC Hardware Diagnostics UEFI to a USB Flash Drive97
Downloading the Latest HP PC Hardware Diagnostics UEFI Version97
Only)97
Using Remote HP PC Hardware Diagnostics UEFI Settings (Select Products Only)98
Downloading Remote HP PC Hardware Diagnostics UEFI98
Downloading the Latest Remote HP PC Hardware Diagnostics UEFI Version98
Downloading Remote HP PC Hardware Diagnostics UEFI by Product Name or Number98
Customizing Remote HP PC Hardware Diagnostics UEFI Settings98
Backing Up, Restoring, and Recovering100
Backing up Information and Creating Recovery Media100
Using Windows Tools for Backing up100
Using the HP Cloud Recovery Download Tool to Create Recovery Media (Select Products Only)100
Restoring and Recovering Your System101
Creating a System Restore101
Restoring and Recovery Methods101
Recovering Using HP Recovery Media101
Changing the Computer Boot Order102
Using HP Sure Recover (Select Products Only)102
Statement of Memory Volatility103
Current BIOS Steps103
Nonvolatile Memory Usage105
Questions and Answers107
Using HP Sure Start (Select Products Only)108
Power Cord Set Requirements110
General Requirements110
Japanese Power Cord Requirements110
Country-Specific Requirements110
Specifications112
Linux Technical Notes113
System RAM113
Audio113
Hyper-Threading Technology114
NVIDIA Graphics Workstations114
AMD Graphics Workstations115
Index116

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