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Need help?Do you have a question about the HP Pro 3405 and is the answer not in the manual?
Overview of features for HP Pro 3400/3500 series PCs.
Identification of external and internal components of the Microtower chassis.
Identification of external and internal components of the Small Form Factor chassis.
Steps for activating and customizing software in Windows 7.
Guide to the automated Windows operating system setup and activation process.
Steps for activating and customizing software in Windows 8.
Guide to the automated Windows operating system setup and activation process.
Instructions on how to access and navigate the Computer Setup (F10) Utility.
Details of options available under the 'File' menu in Computer Setup.
Details of storage-related options within Computer Setup.
Details of security-related options within Computer Setup.
Details of power management options within Computer Setup.
Details of advanced configuration options within Computer Setup.
Procedure for saving and restoring system configuration settings.
Lists spare parts for the Microtower chassis, including major components.
Identification and part numbers for various computer cables.
Lists various miscellaneous spare parts for the chassis.
Lists spare parts for hard drives and optical drives.
Lists spare parts for various circuit boards.
A cross-reference of spare part numbers and their descriptions.
Characteristics and guidelines for SATA hard drives.
Guidelines for using and handling SATA hard drive cables.
Information on Self-Monitoring, Analysis and Reporting Technology (SMART) for drives.
Explains electrostatic discharge (ESD) and its potential damage to components.
Precautions and methods to prevent damage from ESD.
Equipment and methods for grounding personnel to prevent static discharge.
General guidelines for operating the computer to prevent overheating and prolong life.
Important considerations before and during component disassembly and assembly.
Lists necessary tools and software for computer servicing.
Initial steps and safety precautions before disassembling the computer.
Procedure for removing and replacing the computer's side access panel.
Information and specifications for computer memory modules.
Step-by-step guide for safely removing memory modules.
Information on available expansion slots and compatible expansion cards.
Best practices for organizing and routing internal cables within the computer.
Information about computer drives and their installation.
Procedure for removing an optical drive from the chassis.
Procedure for removing a hard drive from the chassis.
Procedure for removing and replacing the front panel I/O and USB assembly.
Procedure for removing and replacing the power switch and LED assembly.
Procedure for removing and replacing the computer's chassis fan.
Procedure for removing and replacing the processor heat sink and fan assembly.
Information on compatible processors and their specifications.
Information and procedure for removing and replacing the power supply unit.
Information and procedure for removing and replacing the system board.
Information and procedure for replacing the system's backup battery.
Initial steps and safety precautions before disassembling the SFF chassis.
Procedure for removing and replacing the SFF chassis access panel.
Information and specifications for SFF computer memory modules.
Step-by-step guide for safely removing SFF memory modules.
Information on SFF expansion slots and compatible expansion cards.
Information about SFF computer drives and their installation.
Procedure for removing an optical drive from the SFF chassis.
Procedure for removing a hard drive from the SFF chassis.
Procedure for removing and replacing the SFF front USB assembly.
Procedure for removing and replacing the SFF chassis fan.
Procedure for removing and replacing the SFF processor heat sink and fan.
Information on compatible processors for SFF and their specifications.
Procedure for removing and replacing the SFF power supply unit.
Procedure for removing and replacing the SFF system board.
Procedure for replacing the SFF system's backup battery.
General requirements for power cord sets applicable to all countries.
Additional power cord set requirements specific to various countries.
Lists POST error codes, messages, and recommended actions for troubleshooting.
Explains front panel LED and audible codes for diagnosing POST issues.
Procedure for disabling or clearing system passwords using a jumper.
Procedure for clearing CMOS settings and resetting system defaults.
Steps to take to isolate problems before contacting technical support.
General suggestions for troubleshooting computer, monitor, or software issues.
Common causes and solutions for general computer problems.
Common causes and solutions for power-related issues.
Common causes and solutions for hard drive errors and performance issues.
Common causes and solutions for monitor and display issues.
Common causes and solutions for computer audio problems.
Common causes and solutions for keyboard and mouse issues.
Common causes and solutions for computer network connectivity issues.
Common causes and solutions for computer memory issues.
Common causes and solutions for computer processor issues.
Common causes and solutions for software-related issues.
Explains the benefits and purpose of running HP PC Hardware Diagnostics.
Instructions on how to access and execute the HP PC Hardware Diagnostics.
Procedures for backing up and restoring data and system in Windows 7.
How to use System Restore to return the computer to a previous state.
Procedures for performing a complete system recovery.
Instructions for creating and using recovery media for system recovery.
Procedures for backing up and restoring data and system in Windows 8.
Methods for recovering the system in case of failure or instability.
Technical specifications for the Microtower (MT) chassis.
Technical specifications for the Small Form Factor (SFF) chassis.
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