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HP ProBook 645 G4 User Manual

HP ProBook 645 G4
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HP ProBook 645 G4 Notebook PC
Maintenance and Service Guide

Table of Contents

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HP ProBook 645 G4 Specifications

General IconGeneral
ProcessorAMD Ryzen 5 PRO 2500U
Display14-inch, 1920 x 1080 (Full HD)
RAMUp to 32 GB DDR4
StorageUp to 1TB SSD
GraphicsIntegrated AMD Radeon Vega Graphics
Operating SystemWindows 10 Pro 64
Battery3-cell, 48 Wh Li-ion
Ports1 RJ-45, 1 VGA, 1 headphone/microphone combo
WirelessIntel Dual Band Wireless-AC 8265 802.11a/b/g/n/ac (2x2) Wi-Fi and Bluetooth 4.2 Combo

Summary

Important Notice about Customer Self-Repair Parts

Safety Warning Notice

Product Description

Components

Details about computer components, their locations, and functions.

Illustrated Parts Catalog

Lists and images of computer parts and their spare part numbers.

Components

Right Side Components

Identifies and describes ports and indicators on the right side of the notebook.

Left Side Components

Identifies and describes ports and features on the left side of the notebook.

Display Components

Identifies and describes components related to the display, including cameras and microphones.

Keyboard Area Components

Identifies and describes the touchpad, pointing stick, and NFC tapping area.

Keyboard Lights

Describes the function of various indicator lights on the keyboard.

Buttons, Speakers, and Fingerprint Reader

Identifies the power button, speakers, and fingerprint reader.

Special Keys

Describes the function of special keys like Fn, Esc, and Windows keys.

Action Keys

Explains the functions performed by action keys on the keyboard.

Hot Keys (Select Products Only)

Details keyboard shortcuts combining the Fn key with other keys.

Bottom Components

Identifies vents on the bottom of the computer.

Labels and Identification

Describes the location and purpose of various computer labels.

Illustrated Parts Catalog

Computer Major Components

Provides diagrams and part numbers for major computer components.

Plastics Components

Lists spare part numbers for plastic components and kits.

Mass Storage Devices

Details specifications and part numbers for hard drives and SSDs.

Miscellaneous Parts

Lists spare part numbers for AC adapters, power cords, and kits.

Removal and Replacement Procedures Preliminary Requirements

Tools, Service Considerations, and Plastic Parts

Covers necessary tools, service precautions, and handling of plastic parts.

Cables and Drive Handling

Provides guidelines for handling cables and fragile drive components.

Grounding and Handling Guidelines

Details electrostatic discharge prevention and safe handling procedures.

Removal and Replacement Procedures for Customer Self-Repair Parts

Component Replacement Procedures

Provides step-by-step instructions for replacing user-accessible components.

Battery Replacement

Instructions for removing and installing the computer battery.

Memory Module Replacement

Instructions for removing and installing memory modules.

Hard Drive Replacement

Instructions for removing and installing the hard drive.

Bottom Cover Replacement

Instructions for removing and installing the bottom cover.

Solid-State Drive Replacement

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

Removal and Replacement Procedures for Authorized Service Provider Parts

Component Replacement Procedures

Provides instructions for replacing internal components by authorized personnel.

WWAN Module Replacement

Instructions for removing and installing the WWAN module.

WLAN Module Replacement

Instructions for removing and installing the WLAN module.

Keyboard Replacement

Instructions for removing and installing the keyboard.

Internal Frame Replacement

Instructions for removing and installing the internal frame.

Fan Replacement

Instructions for removing and installing the cooling fan.

Heat Sink Assembly Replacement

Instructions for removing and installing the heat sink assembly.

TouchPad Button Board Replacement

Instructions for removing and installing the touchpad button board.

TouchPad Replacement

Instructions for removing and installing the touchpad module.

Near Field Communication (NFC) Module Replacement

Instructions for removing and installing the NFC module.

Smart Card Reader Replacement

Instructions for removing and installing the smart card reader.

USB Board Replacement

Instructions for removing and installing the USB board.

Power Button Board Replacement

Instructions for removing and installing the power button board.

System Board Replacement

Instructions for removing and installing the system board.

RTC Battery Replacement

Instructions for removing and installing the Real-Time Clock battery.

Speaker Replacement

Instructions for removing and installing the speakers.

Fingerprint Reader Assembly Replacement

Instructions for removing and installing the fingerprint reader assembly.

Display Assembly Replacement

Instructions for removing and installing the display assembly.

Computer Setup (BIOS), TPM, and HP Sure Start

Using Computer Setup

Guide to accessing and navigating the BIOS/UEFI settings.

Updating the BIOS

Instructions for checking, downloading, and installing BIOS updates.

Changing Boot Order Using F9 Prompt

Procedure to dynamically select boot device via the F9 menu.

TPM BIOS Settings (Select Products Only)

Guide to configuring Trusted Platform Module settings in BIOS.

Using HP Sure Start (Select Models Only)

Information on HP Sure Start's BIOS security monitoring and restoration.

Using HP PC Hardware Diagnostics

HP PC Hardware Diagnostics Windows

Guide to using the Windows-based hardware diagnostic tool.

HP PC Hardware Diagnostics UEFI

Guide to using the UEFI-based hardware diagnostic tool.

Remote HP PC Hardware Diagnostics UEFI Settings

Guide to configuring and using remote hardware diagnostics.

Backing Up, Restoring, and Recovering

Creating Recovery Media and Backups

Methods for creating system recovery media and backups.

Restoring and Recovering Your System

Options and procedures for system recovery and data restoration.

Specifications

Computer Specifications Overview

General specifications for the computer's hardware and environmental limits.

35.6-cm (14.0-in) Display Specifications

Detailed specifications for the 14.0-inch display panel.

M.2 PCIe Solid-State Drive Specifications

Detailed specifications for M.2 PCIe solid-state drives.

M.2 SATA Solid-State Drive Specifications

Detailed specifications for M.2 SATA solid-state drives.

Hard Drive Specifications

Detailed specifications for the computer's hard drives.

Power Cord Set Requirements

Requirements for All Countries

General requirements applicable to all power cord sets.

Requirements for Specific Countries and Regions

Specific power cord set requirements by country and region.

Statement of Memory Volatility

Nonvolatile Memory Usage

Information on nonvolatile memory types and their usage.

Questions and Answers

Answers to common questions regarding BIOS, memory, and security.

Recycling

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