Maintenance And Service Guide

Maintenance and Service Guide

HP EliteBook 840 G6 Notebook PC HP EliteBook 846 G6 Notebook PC

© Copyright 2019 HP Development Company, L.P .

AMD and Radeon are trademarks of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by HP Inc. under license. DisplayPort and the DisplayPort logo are trademarks owned by the Video Electronics Standards Association (VESA) in the United States and other countries. Intel, Core, Optane, XMM, and Thunderbolt are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Miracast is a trademark of Wi-Fi Alliance.

The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

First Edition: May 2019

Document Part Number: L54460-001

Product notice

This guide describes features that are common to most models. Some features may not be available on your computer.

Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows 10 is automatically updated, which is always enabled. ISP fees may apply and additional requirements may apply over time for updates. Go to http://www.microsoft.com for details.

To access the latest user guides, go to http://www.hp.com/support, and follow the instructions to find your product. Then select User Guides .

Software terms

By installing, copying, downloading, or otherwise using any software product preinstalled on this computer, you agree to be bound by the terms of the HP End User License Agreement (EULA). If you do not accept these license terms, your sole remedy is to return the entire unused product (hardware and software) within 14 days for a full refund subject to the refund policy of your seller.

For any further information or to request a full refund of the price of the computer, please contact your seller.

Important Notice about Customer Self-Repair Parts

IMPORTANT: Your computer includes Customer Self-Repair parts and parts that should be accessed only by an authorized service provider. See Chapter 5, "Removal and replacement procedures for Customer SelfRepair parts," for details. Accessing parts described in Chapter 6, "Removal and replacement procedures for authorized service provider only parts," can damage the computer or void your warranty.

Safety warning notice

WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place the device directly on your lap or obstruct the device air vents. Use the device only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The device and the AC adapter comply with the user-accessible surface temperature limits defined by applicable safety standards.

Table of contents

Table Caption: This table outlines a table of contents for a product manual, detailing sections on product description, illustrated parts, and removal/replacement procedures, with sub-sections covering various components and service considerations.

Table Caption: This table provides a detailed index for a technical manual, outlining procedures for removing and replacing various computer components, as well as guidance on packaging, diagnostics, and system setup. It categorizes component replacement into "Customer Self-Repair" and "Authorized Service Provider" parts, listing specific components with their corresponding page numbers.

Downloading a BIOS update ........................................................................................... 84

Table Caption: This table appears to be an index or table of contents, listing various troubleshooting and system configuration topics for HP computers, along with their corresponding page numbers. It covers boot order, hardware diagnostics, backup and recovery, and specifications.

**Table Caption: This table outlines sections 12, 13, and