EasyManua.ls Logo

HP 280 G4 User Manual

HP 280 G4
111 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
Maintenance and Service Guide
HP 280 G4 Small Form Factor Business PC

Table of Contents

Other manuals for HP 280 G4

Question and Answer IconNeed help?

Do you have a question about the HP 280 G4 and is the answer not in the manual?

HP 280 G4 Specifications

General IconGeneral
GraphicsIntel UHD Graphics 630
Optical DriveDVD-Writer
RAMDDR4-2666
Storage1TB 7200 rpm SATA
Operating SystemFreeDOS
AudioRealtek ALC3601
Expansion Slots1 PCIe x16; 1 PCIe x1; 1 M.2
Front Ports2 USB 3.1 Gen 1; 1 headphone/microphone combo
Rear Ports1 HDMI; 1 RJ-45; 1 VGA; 2 USB 2.0; 2 USB 3.1 Gen 1
Ports1 VGA; 1 HDMI
Power Supply310 W internal power supply, up to 90% efficiency, active PFC

Summary

About this guide

Definitions of Guide Terms

Explains the meaning of WARNING, CAUTION, IMPORTANT, NOTE, and TIP used in the guide.

Product features

Standard configuration features

Details of the computer's standard hardware and software configuration.

Front panel components

Identification and description of ports and controls on the front of the computer.

Rear panel components

Identification and description of ports and connectors on the rear of the computer.

Illustrated parts catalog

Computer major components

Visual identification of key internal and external computer parts.

Cables

Details and descriptions of various cables and their connections within the computer.

Miscellaneous parts

Lists and descriptions of other computer components such as mice and keyboards.

Routine care, SATA drive guidelines, and disassembly preparation

Electrostatic discharge information

Precautions and information to prevent damage from static electricity during handling.

Personal grounding methods and equipment

Guidance on using grounding equipment to prevent static discharge damage.

Grounding the work area

Procedures for preparing a static-safe work environment for component handling.

Recommended materials and equipment

List of recommended items for preventing static electricity damage.

Operating guidelines

Instructions for optimal computer operation to prevent overheating and prolong life.

Routine care and cleaning procedures

Steps for safely cleaning the computer case, keyboard, monitor, and mouse.

Removal and replacement procedures

Preparation for disassembly

Essential safety steps and procedures before opening the computer for service.

Rubber feet

Instructions for removing and installing the computer's rubber feet.

Access panel

Step-by-step instructions for removing and installing the computer's access panel.

Expansion card

Procedures for installing or removing PCI Express expansion cards.

Drives

Instructions for removing and installing optical drives and hard drives.

Front bezel

Steps for removing and replacing the computer's front bezel.

WLAN module

Procedure for removing and installing the wireless LAN module.

Solid-state drive module

Instructions for removing and installing M.2 solid-state drive modules.

Memory modules

Guidance on installing and removing DDR4-SDRAM DIMM memory modules.

RTC battery

Steps for replacing the computer's real-time clock lithium coin cell battery.

Fan duct

Procedure for removing and installing the CPU fan duct.

Fan sink

Instructions for removing and installing the CPU fan sink (heat sink).

Processor

Detailed instructions for safely removing and installing the computer's processor.

Power supply

Steps for removing and installing the computer's internal power supply unit.

System board

Instructions for removing and installing the computer's main system board.

System board callouts

Diagram and identification of key components and connectors on the system board.

Antenna cable

Procedure for removing and installing the wireless antenna cable.

Computer Setup (F10) Utility

Computer Setup (F10) Utilities Overview

Introduction to the Computer Setup utility and its capabilities.

Using Computer Setup Utilities

Step-by-step guide on accessing and navigating the Computer Setup menu.

Computer Setup—Main

Configuration options for system time, date, product information, and BIOS details.

Computer Setup—Security

Settings for administrator and power-on passwords, TPM, and security features.

Computer Setup—Configuration

Advanced settings for language, virtualization, SATA emulation, and device options.

Computer Setup—Boot Options

Configuration of boot order, legacy support, and secure boot settings.

Computer Setup—Exit

Options for saving changes, ignoring changes, or loading factory defaults.

Troubleshooting Without Diagnostics

Safety and Comfort Guidelines

Precautions for maintaining a safe and comfortable work environment.

Before Calling for Technical Support

Steps to take before contacting support to resolve computer issues.

Helpful Hints for Problem Solving

General suggestions and quick checks for resolving common computer issues.

General System Problems

Troubleshooting steps for common issues like system lockups and incorrect date/time.

Hardware Troubleshooting

Solutions for problems related to power supply, drives, memory, display, and other hardware.

Software and Connectivity Issues

Guidance for resolving software application errors and internet access problems.

POST Error Messages and Diagnostic Front Panel LEDs and Audible Codes

POST Numeric Codes and Text Messages

List and interpretation of numeric codes and text messages during Power-On Self-Test.

Interpreting System Validation Diagnostic LEDs and Audible Codes

Guide to understanding LED blink patterns and audible beep codes for system validation.

Password Security and Resetting CMOS

Resetting CMOS and/or the Password Jumper

Procedures for clearing BIOS settings and passwords using the CMOS/PSWD jumper.

Changing Setup or Power-On Passwords

Steps to modify or set administrator and power-on passwords.

Deleting Setup or Power-On Passwords

Instructions for removing existing administrator and power-on passwords.

Using HP PC Hardware Diagnostics

HP PC Hardware Diagnostics Windows

How to use the Windows-based utility for hardware diagnostics.

HP PC Hardware Diagnostics UEFI

How to use the UEFI-based tool for hardware diagnostics outside the OS.

Downloading Diagnostic Tools

Instructions for downloading HP PC Hardware Diagnostics for Windows and UEFI.

Using Remote HP PC Hardware Diagnostics UEFI

Information on using remote diagnostics features via UEFI.

Customizing Remote UEFI Settings

Steps for configuring remote diagnostic settings in Computer Setup.

Backing Up, Restoring, and Recovering

Backing Up Information and Creating Recovery Media

Methods for backing up personal data and creating recovery media.

Restoring and Recovering Systems

Procedures for restoring, resetting, and refreshing the computer system.

Changing the Computer Boot Order

Steps to modify the system's boot device sequence.

Using HP Sure Recover

Overview of HP Sure Recover for PC OS recovery without separate software.

Power Cord Set Requirements

General Requirements

Applicable requirements for power cords in all countries.

Japanese Power Cord Requirements

Specific requirements for using power cords in Japan.

Country-Specific Requirements

Additional power cord requirements specific to various countries.

Statement of Memory Volatility

Understanding Nonvolatile Memory

General information about nonvolatile memory and BIOS steps for data removal.

Nonvolatile Memory Usage Table

Details on nonvolatile memory types, their purpose, and data handling.

Questions and Answers

Frequently asked questions regarding BIOS, UEFI, and memory configuration.

Specifications

Related product manuals