HP EliteOne 800 G4 User Manual

Maintenance & Service Guide
HP EliteOne 800 G4 23-inch All-in-One Business PC
HP EliteOne 800 G4 23-inch Healthcare Edition All-in-
One Business PC

HP EliteOne 800 G4 Specifications

General

RAM	Up to 64GB DDR4
Storage	Up to 2TB HDD or 1TB SSD
Display	23.8"
Graphics	Intel UHD Graphics 630
Operating System	Windows 10 Pro
Audio	Bang & Olufsen speakers
Networking	Intel Dual Band Wireless-AC 9560, Bluetooth 5.0, Gigabit Ethernet
Ports (Front)	headphone/microphone combo jack
Ports (Rear)	USB 2.0, RJ-45, audio line-out

Summary

Illustrated Parts Catalog

System Parts

Lists and illustrates the main system components of the computer.

Mass Storage Devices

Lists available hard drives and solid-state drives for the computer.

Processors and Memory Modules

Details available processors and memory modules for the computer.

Product Features

Overview

Provides a general introduction to the product and its features.

HP EliteOne 800 G4 Front Components

Details the components located on the front of the computer.

Rear Components

Identifies components located on the rear of the computer.

Routine Care, SATA Drive Guidelines, and Disassembly Preparation

Operating Guidelines and Routine Care

Provides guidelines for proper setup and maintenance of the computer.

Electrostatic Discharge Information

Explains ESD and how to prevent damage to components.

Removal and Replacement Procedures

Preparing to Disassemble the Computer

Outlines essential steps before disassembling the computer.

Hard Drive

Procedure for removing and installing the hard drive.

Memory

Guide for removing and installing memory modules.

System Board

Detailed steps for removing the system board.

Computer Setup (F10) Utility

Using Computer Setup (F10) Utilities

Explains how to access and use the F10 Setup utility.

Computer Setup—Security

Covers security settings within Computer Setup.

Using HP PC Hardware Diagnostics

Using HP PC Hardware Diagnostics Windows

Guide for using the Windows-based diagnostic tool.

Using HP PC Hardware Diagnostics UEFI

Instructions for using the UEFI-based diagnostic tool.

Troubleshooting Without Diagnostics

Before You Call for Technical Support

Steps to take before contacting support.

Solving General Problems

Addresses common issues and their solutions.

Solving Hard Drive Problems

Diagnoses and resolves hard drive related issues.

Backing Up, Restoring, and Recovering

Using Windows Tools

How to use Windows for backups and recovery.

Creating HP Recovery Media (Select Products Only)

Steps to create recovery media.

Recovering Using HP Recovery Manager

Instructions for recovering the system with HP Recovery Manager.

POST Error Messages and Diagnostic Front Panel LEDs and Audible Codes

POST Numeric Codes and Text Messages

Lists POST errors with numeric codes and text messages.

Interpreting System Validation Diagnostic Front Panel LEDs and Audible Codes

Explains LED and audible error codes.

Password Security and Resetting CMOS

Resetting the Password Jumper

Procedure to reset passwords by manipulating a jumper.

Clearing and Resetting the BIOS

Steps to clear and reset BIOS settings.

Power Cord Set Requirements

General Requirements

Outlines general requirements for power cords.

Country-Specific Requirements

Details power cord requirements for different countries.

Statement of Memory Volatility

Current BIOS Steps

Steps related to BIOS and nonvolatile memory.

Nonvolatile Memory Usage

Details types and usage of nonvolatile memory.

Questions and Answers

How Can the BIOS Settings Be Restored (Returned to Factory Settings)?

Restoring BIOS settings to their default factory state.

What is a UEFI BIOS, and How Is It Different from a Legacy BIOS?

Explains UEFI BIOS and its difference from legacy BIOS.

How Can the BIOS Security Be Reset to Factory Defaults and Data Erased?

Steps to reset BIOS security and erase data.

Specifications