Maintenance and Service Guide HP ProDesk 400 G4 Small Form Factor (SFF) © Copyright 2017 HP Development Company, Software terms L.P. By installing, copying, downloading, or Product notice otherwise using any software product preinstalled on this computer, you agree to be AMD is a trademark of Advanced Micro Devices, bound by the terms of the HP End User License Inc. Bluetooth is a trademark owned by its Agreement (EULA). If you do not accept these proprietor and used by HP Inc. under license. license terms, your sole remedy is to return Intel, Core, and Celeron are trademarks of Intel the entire unused product (hardware and Corporation in the U.S. and other countries. software) within 14 days for a full refund Microsoft and Windows are either registered subject to the refund policy of your seller. trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. SD Logo is a trademark of its proprietor. This guide describes features that are common to most models. Some features may not be available on the computer. Not all features are available in all editions of Windows 10. This computer may require upgraded and/or separately purchased hardware, drivers and/or software to take full advantage of Windows 10 functionality. See http://www.microsoft.com for details. 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. 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: January 2017 Document Part Number: 913313-001 About This Book WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. NOTE: Text set off in this manner provides important supplemental information. iii iv About This Book Table of contents 1 Product features ........................................................................................................................................... 1 Standard configuration features ........................................................................................................................... 1 Front panel components ........................................................................................................................................ 2 Rear panel components ......................................................................................................................................... 3 2 Illustrated parts catalog ................................................................................................................................ 4 Serial number location .......................................................................................................................................... 4 Computer major components ................................................................................................................................ 4 Miscellaneous parts ............................................................................................................................................... 7 3 Routine care, SATA drive guidelines, and disassembly preparation .................................................................. 14 Electrostatic discharge information .................................................................................................................... 14 Generating static ............................................................................................................................... 14 Preventing electrostatic damage to equipment ............................................................................... 15 Personal grounding methods and equipment .................................................................................. 15 Grounding the work area ................................................................................................................... 16 Recommended materials and equipment ........................................................................................ 16 Operating guidelines ........................................................................................................................................... 17 Routine care ......................................................................................................................................................... 18 General cleaning safety precautions ................................................................................................ 18 Cleaning the computer case .............................................................................................................. 18 Cleaning the keyboard ....................................................................................................................... 19 Cleaning the monitor ......................................................................................................................... 19 Cleaning the mouse ........................................................................................................................... 19 Service considerations ......................................................................................................................................... 20 Tools and software requirements ..................................................................................................... 20 Screws ............................................................................................................................................... 20 Cables and connectors ...................................................................................................................... 20 Hard Drives ........................................................................................................................................ 21 Lithium coin cell battery .................................................................................................................... 21 SATA hard drives .................................................................................................................................................. 22 SMART ATA drives ................................................................................................................................................ 22 4 Removal and replacement procedures ........................................................................................................... 23 Preparation for disassembly ............................................................................................................................... 23 Access panel ......................................................................................................................................................... 24 v Front bezel ........................................................................................................................................................... 25 Dust cover ............................................................................................................................................................ 26 Slim optical drive ................................................................................................................................................. 27 Drive cage ............................................................................................................................................................ 28 Hard drive ............................................................................................................................................................. 29 Speaker ................................................................................................................................................................ 31 WLAN module ...................................................................................................................................................... 32 Memory module ................................................................................................................................................... 34 Expansion card ..................................................................................................................................................... 35 Power supply ....................................................................................................................................................... 37 Fan cowling .......................................................................................................................................................... 38 Fan-sink ............................................................................................................................................................... 39 Processor ............................................................................................................................................................