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HP Elitebook 840 G1 Notebook PC HP Zbook 14 Mobile Workstation HP Elitebook 850 G1 Notebook PC

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HP Elitebook 840 G1 Notebook PC HP Zbook 14 Mobile Workstation HP Elitebook 850 G1 Notebook PC HP EliteBook 840 G1 Notebook PC HP ZBook 14 Mobile Workstation HP EliteBook 850 G1 Notebook PC Maintenance and Service Guide IMPORTANT! This document is intended for HP authorized service providers only. © Copyright 2013 Hewlett-Packard Development Company, L.P. Bluetooth is a trademark owned by its proprietor and used by Hewlett-Packard Company under license. Intel and Core are U.S. registered trademarks of Intel Corporation. Microsoft, Windows, and Windows Vista are U.S. registered trademarks of Microsoft Corporation. SD Logo is a trademark of its proprietor. 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: September 2013 Document Part Number: 734761-001 Important Notice about Customer Self-Repair Parts CAUTION: Your computer includes Customer Self-Repair parts and parts that should only be accessed by an authorized service provider. See Chapter 5, "Removal and replacement procedures for Customer Self-Repair 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. iii iv Important Notice about Customer Self-Repair Parts 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 the International Standard for Safety of Information Technology Equipment (IEC 60950). v vi Safety warning notice Table of contents 1 Product description ........................................................................................................... 1 2 External component identification ................................................................................... 10 Display ................................................................................................................................. 10 Top ...................................................................................................................................... 11 TouchPad ............................................................................................................... 11 Lights ..................................................................................................................... 12 Buttons and fingerprint reader (select models only) ...................................................... 13 Keys ...................................................................................................................... 15 Front ..................................................................................................................................... 16 Left ....................................................................................................................................... 17 Right .................................................................................................................................... 18 Bottom .................................................................................................................................. 19 Service tag ............................................................................................................................ 22 3 Illustrated parts catalog .................................................................................................. 23 Computer major components ................................................................................................... 23 Display assembly subcomponents ............................................................................................. 28 HP EliteBook 840/ZBook 14 models ......................................................................... 28 HP EliteBook 850 models ......................................................................................... 30 Mass storage devices ............................................................................................................. 31 Plastics Kit ............................................................................................................................. 32 Miscellaneous parts ................................................................................................................ 33 Sequential part number listing .................................................................................................. 34 4 Removal and replacement procedures preliminary requirements .................................... 43 Tools required ....................................................................................................................... 43 Service considerations ............................................................................................................ 43 Plastic parts ............................................................................................................ 43 Cables and connectors ............................................................................................ 43 Drive handling ........................................................................................................ 44 vii Grounding guidelines ............................................................................................................. 44 Electrostatic discharge damage ................................................................................. 44 Packaging and transporting guidelines ....................................................... 46 Workstation guidelines .............................................................. 46 5 Removal and replacement procedures for Customer Self-Repair parts ............................. 48 Component replacement procedures ........................................................................................ 48 Service cover .......................................................................................................... 48 Battery ................................................................................................................... 50 Hard drive ............................................................................................................. 51 Solid-state drive (SSD) .............................................................................................. 53 RTC battery ............................................................................................................ 55 Memory module ...................................................................................................... 56 WWAN module ..................................................................................................... 58 WLAN module ........................................................................................................ 60 Keyboard ............................................................................................................... 62 6 Removal and replacement procedures for Authorized Service Provider parts .................. 66 Component replacement procedures ........................................................................................ 66 Display panel (non-touch) ......................................................................................... 66 Base enclosure ........................................................................................................ 71 Base enclosure (HP EliteBook 840/HP ZBook14 models) .............................. 71 Base enclosure (HP EliteBook 850 models) .................................................. 74 Fan ....................................................................................................................... 77 Card reader board .................................................................................................. 78 VGA/USB board .................................................................................................... 80 Heat sink ............................................................................................................... 81 Power button board ................................................................................................. 86 Fingerprint reader assembly ..................................................................................... 88 System board ......................................................................................................... 90 Speaker assembly ................................................................................................... 95 Display assembly .................................................................................................... 97 7 Computer Setup (BIOS), MultiBoot, and System Diagnostics in Windows 8 ..................... 104 Using Computer Setup .........................................................................................................
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