HP EliteDesk 800 Operating and maintenance manual

HP Desktop Mini
Hardware Reference Guide

© Copyright 2018 HP Development Company,
L.P.
Windows is either a registered trademark or
trademark of Microsoft Corporation in the
United States and/or other countries.
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.
Second Edition: April 2018
First Edition: March 2018
Document Part Number: L21501-002
Product Notice
This guide describes features that are common
to most products. 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 nd 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 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.

About This Book
This guide provides basic information for upgrading the HP Desktop Mini Business PC.
WARNING! Indicates a hazardous situation that, if not avoided, could result in death or serious injury.
CAUTION: Indicates a hazardous situation that, if not avoided, could result in minor or moderate injury.
IMPORTANT: Indicates information considered important but not hazard-related (for example, messages
related to property damage). A notice alerts the user that failure to follow a procedure exactly as described
could result in loss of data or in damage to hardware or software. Also contains essential information to
explain a concept or to complete a task.
NOTE: Contains additional information to emphasize or supplement important points of the main text.
TIP: Provides helpful hints for completing a task
iii

iv About This Book

Table of contents
1 Product features ........................................................................................................................................... 1
Standard conguration features ........................................................................................................................... 1
Front panel components (HP EliteDesk 800 and HP ProDesk 600) ...................................................................... 2
Front panel components (HP ProDesk 400) .......................................................................................................... 3
Rear panel components ......................................................................................................................................... 4
Serial number location .......................................................................................................................................... 5
2 Setup ............................................................................................................................................................ 6
Changing from desktop to tower orientation ........................................................................................................ 6
Attaching the computer to a mounting xture ..................................................................................................... 7
Installing a security cable ...................................................................................................................................... 8
Connecting the power cord .................................................................................................................................... 8
3 Hardware upgrades ....................................................................................................................................... 9
Serviceability features ........................................................................................................................................... 9
Warnings and cautions .......................................................................................................................................... 9
Removing and installing the access panel .......................................................................................................... 10
Removing the access panel ............................................................................................................... 10
Installing the access panel ................................................................................................................ 11
Removing and installing the access panel of the HP EliteDesk 800 35W .......................................................... 11
Removing the access panel of the HP EliteDesk 800 35W ............................................................... 11
Installing the access panel of the HP EliteDesk 800 35W ................................................................ 13
Upgrading system memory ................................................................................................................................. 14
Memory module specications ......................................................................................................... 14
Populating memory module slots .................................................................................................... 15
Installing a memory module ............................................................................................................. 16
Removing a hard drive ......................................................................................................................................... 19
Installing a hard drive .......................................................................................................................................... 20
Replacing an M.2 PCIe solid-state drive .............................................................................................................. 21
Replacing the WLAN module ............................................................................................................................... 24
Installing an external antenna ............................................................................................................................ 27
v

Replacing the battery .......................................................................................................................................... 30
Synchronizing the optional wireless keyboard and mouse ................................................................................ 34
Appendix A Electrostatic discharge .................................................................................................................. 36
Preventing electrostatic damage ........................................................................................................................ 36
Grounding methods ............................................................................................................................................. 36
Appendix B Computer operating guidelines, routine care and shipping preparation ............................................. 37
Computer operating guidelines and routine care ............................................................................................... 37
Shipping preparation ........................................................................................................................................... 38
Appendix C Accessibility ................................................................................................................................. 39
Supported assistive technologies ....................................................................................................................... 39
Contacting support .............................................................................................................................................. 39
Index ............................................................................................................................................................. 40
vi

1 Product features
Standard conguration features
Features may vary depending on the model. For a complete listing of the hardware and software installed in
the computer, run the diagnostic utility (included on some computer models only).
NOTE: This computer model can be used in a tower orientation or a desktop orientation. The tower stand is
sold separately.
Standard conguration features 1

Front panel components (HP EliteDesk 800 and HP ProDesk 600)
NOTE: Your computer model may look slightly dierent from the illustration in this section.
Item Icon Component Item Icon Component
1 USB Type-C SuperSpeed port with HP Sleep and
Charge*
5Audio-out (headphone)/Audio-in
(microphone) combo jack
2USB SuperSpeed port 6 Main storage LED
3USB SuperSpeed port with HP Sleep and
Charge*
7Dual-state power button
4Headphone jack
*When the computer is on, the USB port connects a USB device, provides high-speed data transfer, and even when the computer is o,
charges products such as a cell phone, camera, activity tracker, or smartwatch.
NOTE: The main storage LED is normally white when the power is on. If it is ashing red, there is a problem with the computer and
the main storage LED is displaying a diagnostic code. Refer to the Maintenance and Service Guide to interpret the code.
2 Chapter 1 Product features

Front panel components (HP ProDesk 400)
NOTE: Your computer model may look slightly dierent from the illustration in this section.
Item Icon Component Item Icon Component
1USB Type-C SuperSpeed port 4Audio-out (headphone)/Audio-in
(microphone) combo jack
2USB Type-C SuperSpeed port with HP Sleep and
Charge*
5 Main storage LED
3Headphone jack 6Dual-state power button
*When the computer is on, the USB port connects a USB device, provides high-speed data transfer, and even when the computer is o,
charges products such as a cellphone, camera, activity tracker, or smartwatch.
NOTE: The main storage LED is normally white when the power is on. If it is ashing red, there is a problem with the computer and
the main storage LED is displaying a diagnostic code. Refer to the Maintenance and Service Guide to interpret the code.
Front panel components (HP ProDesk 400) 3

Rear panel components
NOTE: Your computer model may look slightly dierent from the illustration in this section.
Item Icon Component Item Icon Component
1 Antenna cover 7USB SuperSpeed port
2 Thumbscrew 8 Optional port
One of the following ports may be used:
DisplayPort, HDMI, VGA, USB Type-C, serial
port, Thunderbolt, or Fiber NIC.
3Security cable slot 9USB ports (2) (black)
4 External antenna connector (optional) 10 RJ-45 (network) jack/status lights
5 Padlock loop 11 Power connector
6Dual-Mode DisplayPort (2)
4 Chapter 1 Product features