HP EliteDesk 705 G5 Manual

Maintenance and Service Guide
HP EliteDesk 705 G5 Desktop Mini

© Copyright 2019 HP Development Company,
L.P.
AMD, Athlon, Radeon, and Ryzen are
trademarks of Advanced Micro Devices, Inc.
Bluetooth is a trademark owned by its
proprietor and used by HP Inc. under license.
Intel and vPro are trademarks of Intel
Corporation or its subsidiaries in the U.S.
and/or other countries. Microsoft and Windows
are trademarks of the Microsoft group of
companies. DisplayPort and the DisplayPort
logo are trademarks owned by the Video
Electronics Standards Association (VESA) in the
United States and 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.
First Edition: November 2019
Document Part Number: L71697-001
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 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 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.
Not all features are available in all editions of
Windows. This computer may require upgraded
and/or separately purchased hardware, drivers
and/or software to take full advantage of
Windows functionality. Go to
http://www.microsoft.com for details.

Safety warning notice
WARNING! To reduce the possibility of heat-related injuries or of overheating the computer, do not place
the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, at
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 airow. Also, do not allow the AC adapter to come into contact with the
skin or a soft surface, such as pillows or rugs or clothing, during operation. The computer and the AC adapter
comply with the user-accessible surface temperature limits dened by applicable safety standards.
iii

iv Safety warning notice

About this guide
WARNING! Indicates a hazardous situation that, if not avoided, could result in serious injury or death.
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). Warns 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.
v

vi About this guide

Table of contents
1 Computer features ........................................................................................................................................ 1
Front panel components ........................................................................................................................................ 2
Rear panel components ......................................................................................................................................... 3
Serial number location .......................................................................................................................................... 4
Changing from desktop to tower orientation ........................................................................................................ 5
Attaching the computer to a mounting xture ..................................................................................................... 6
Installing a security lock ........................................................................................................................................ 7
2 Illustrated parts catalog ................................................................................................................................ 8
Computer major components ................................................................................................................................ 8
Mass storage devices ........................................................................................................................................... 10
Miscellaneous parts ............................................................................................................................................. 11
3 Routine care, SATA drive guidelines, and disassembly preparation .................................................................. 13
Electrostatic discharge information .................................................................................................................... 13
Generating static electricity .............................................................................................................. 13
Preventing electrostatic damage to equipment ............................................................................... 14
Personal grounding methods and equipment .................................................................................. 14
Grounding the work area ................................................................................................................... 15
Recommended materials and equipment ........................................................................................ 15
Operating guidelines ........................................................................................................................................... 16
Routine care ......................................................................................................................................................... 16
General cleaning safety precautions ................................................................................................ 16
Cleaning the computer case .............................................................................................................. 16
Cleaning the keyboard ....................................................................................................................... 17
Cleaning the monitor ......................................................................................................................... 17
Cleaning the mouse ........................................................................................................................... 17
Service considerations ......................................................................................................................................... 17
Tools and software requirements ..................................................................................................... 18
Screws ............................................................................................................................................... 18
Cables and connectors ...................................................................................................................... 18
Hard drives ........................................................................................................................................ 18
Lithium coin cell battery .................................................................................................................... 19
SATA hard drives .................................................................................................................................................. 19
SMART ATA drives ................................................................................................................................................ 19
SATA hard drive cables ...................................................................................................................... 19
vii

SATA data cable ............................................................................................................... 19
Cable management ........................................................................................................................... 20
4 Removal and replacement procedures ........................................................................................................... 21
Warnings and cautions ........................................................................................................................................ 21
Preparation for disassembly ............................................................................................................................... 22
Front bezel dust lter .......................................................................................................................................... 22
Access panel ......................................................................................................................................................... 23
Front bezel ........................................................................................................................................................... 24
Hood sensor ......................................................................................................................................................... 25
Speaker ................................................................................................................................................................ 26
Hard drive ............................................................................................................................................................. 27
Hard drive connector ........................................................................................................................................... 28
Drive cage ............................................................................................................................................................ 29
Graphics processor and heat sink assembly ....................................................................................................... 30
M.2 PCIe solid state drive (SSD) ........................................................................................................................... 31
WLAN module ...................................................................................................................................................... 33
Battery ................................................................................................................................................................. 35
Expansion connector board ................................................................................................................................. 37
Memory modules ................................................................................................................................................. 38
Memory module specications ......................................................................................................... 38
Removing memory modules ............................................................................................................. 38
Fan ........................................................................................................................................................................ 41
Heat sink .............................................................................................................................................................. 42
Processor ............................................................................................................................................................. 44
System board ....................................................................................................................................................... 45
System board components ............................................................................................................... 48
Internal WLAN antenna cables ............................................................................................................................ 49
5 Computer Setup (F10) Utility ........................................................................................................................ 51
Computer Setup (F10) Utilities ............................................................................................................................ 51
Using Computer Setup (F10) Utilities ................................................................................................ 51
Computer Setup–Main ....................................................................................................................... 53
Computer Setup—Security ............................................................................................................... 55
Computer Setup—Advanced ............................................................................................................. 58
Computer Setup—UEFI Drivers ......................................................................................................... 63
Recovering the Conguration Settings ............................................................................................................... 63
6 Troubleshooting without diagnostics ............................................................................................................ 64
Safety and comfort .............................................................................................................................................. 64
viii

Before you call for technical support .................................................................................................................. 64
Helpful hints ........................................................................................................................................................ 65
Solving general problems .................................................................................................................................... 66
Solving power problems ...................................................................................................................................... 69
Solving hard drive problems ................................................................................................................................ 70
Solving media card reader problems ................................................................................................................... 72
Solving display problems .................................................................................................................................... 73
Solving audio problems ....................................................................................................................................... 77
Solving printer problems ..................................................................................................................................... 79
Solving keyboard and mouse problems .............................................................................................................. 81
Solving hardware installation problems ............................................................................................................. 82
Solving network problems .................................................................................................................................. 83
Solving memory problems .................................................................................................................................. 85
Solving CD-ROM and DVD problems .................................................................................................................... 87
Solving USB ash drive problems ........................................................................................................................ 89
Solving front panel component problems .......................................................................................................... 90
Solving Internet access problems ....................................................................................................................... 90
Solving software problems .................................................................................................................................. 91
7 POST error messages ................................................................................................................................... 92
POST numeric codes and text messages ............................................................................................................. 92
Interpreting POST diagnostic front panel lights and audible codes ................................................................... 96
8 Password security and resetting CMOS .......................................................................................................... 98
Resetting the password jumper .......................................................................................................................... 98
Changing a setup or power-on password ........................................................................................................... 99
Deleting a setup or power-on password ........................................................................................................... 100
Clearing and resetting the CMOS ....................................................................................................................... 100
9 Using HP PC Hardware Diagnostics .............................................................................................................. 102
Using HP PC Hardware Diagnostics Windows (select products only) ............................................................... 102
Downloading HP PC Hardware Diagnostics Windows ..................................................................... 102
Downloading the latest HP PC Hardware Diagnostics Windows version ..................... 103
Downloading HP Hardware Diagnostics Windows by product name or number
(select products only) ................................................................................................... 103
Installing HP PC Hardware Diagnostics Windows ........................................................................... 103
Using HP PC Hardware Diagnostics UEFI ........................................................................................................... 103
Starting HP PC Hardware Diagnostics UEFI .................................................................................... 104
Downloading HP PC Hardware Diagnostics UEFI to a USB ash drive ............................................ 104
Downloading the latest HP PC Hardware Diagnostics UEFI version ............................ 104
ix

Downloading HP PC Hardware Diagnostics UEFI by product name or number
(select products only) ................................................................................................... 105
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only) ........................................... 105
Downloading Remote HP PC Hardware Diagnostics UEFI ............................................................... 105
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version ............... 105
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or
number .......................................................................................................................... 105
Customizing Remote HP PC Hardware Diagnostics UEFI settings .................................................. 105
10 Backing up, restoring, and recovering ........................................................................................................ 107
Backing up information and creating recovery media ...................................................................................... 107
Using Windows tools ....................................................................................................................... 107
Using the HP Cloud Recovery Download Tool to create recovery media (select products only) ... 107
Restoring and recovery ..................................................................................................................................... 108
Restoring, resetting, and refreshing using Windows tools ............................................................ 108
Recovering using HP Recovery media ............................................................................................. 108
Changing the computer boot order ................................................................................................ 108
Using HP Sure Recover (select products only) ................................................................................ 109
11 Power cord set requirements .................................................................................................................... 110
General requirements ........................................................................................................................................ 110
Japanese power cord requirements .................................................................................................................. 110
Country-specic requirements .......................................................................................................................... 111
12 Statement of memory volatility ................................................................................................................ 112
Nonvolatile memory usage ............................................................................................................................... 114
Questions and answers ..................................................................................................................................... 116
Using HP Sure Start (select models only) .......................................................................................................... 117
13 Specications .......................................................................................................................................... 118
Index ........................................................................................................................................................... 119
x

1 Computer features
Features vary depending on the model. For support assistance and to learn more about the hardware and
software installed on your computer model, run the HP Support Assistant utility.
NOTE: You can use this computer model in a tower orientation or a desktop orientation.
See Changing from desktop to tower orientation on page 5.
1

Front panel components
Table 1-1 Identifying the front panel components
Front panel components
1 USB Type-C port 5 Audio-out (headphone)/Audio-in
(microphone) combo jack
2 USB SuperSpeed port 6 Hard drive activity light
3 USB SuperSpeed port with HP Sleep and Charge 7 Power button
4 Audio-out (headphone) jack
NOTE: The combo jack supports headphones, line output devices, microphones, line input devices, or CTIA style headsets.
NOTE: The light on the power button is normally white when the power is on. If the light ashes red, the computer displays a
diagnostic code to indicate a problem. See Interpreting POST diagnostic front panel lights and audible codes on page 96 the
to interpret the code.
2 Chapter 1 Computer features

Rear panel components
Table 1-2 Identifying the rear panel components
Rear panel components
1 Security cable slot 5 USB SuperSpeed ports* (2)
2 DisplayPort™ monitor connectors (2) 6 RJ-45 (network) jack
3 USB SuperSpeed ports (2) 7 Power cord connector
4 Optional port*
*Optional port oers choice of HDMI 2.0a, DisplayPort 1.2, VGA, serial port or USB Type-C.
**Bottom port allows for wake from keyboard.
Rear panel components 3

Serial number location
Each computer has a unique serial number and a product ID number that are located on the exterior of the
computer. Keep these numbers available when contacting customer service for assistance.
4 Chapter 1 Computer features

Changing from desktop to tower orientation
The computer can be used in a tower orientation with an optional tower stand that can be purchased from HP.
1. Remove or disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as a USB ash drive, from the computer.
3. Turn o the computer properly through the operating system, and turn o any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
IMPORTANT: Regardless of the power state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. To prevent damage to internal components, you must
disconnect the power cord from the power source before opening the computer.
5. Orient the computer so that its right side is facing up and place the computer in the optional stand.
NOTE: To stabilize the computer in a tower orientation, HP recommends the use of the optional tower
stand.
6. Reconnect the power cord and any external devices, and then turn on the computer.
NOTE: Ensure that at least 10.2 centimeters (4 inches) of space on all sides of the computer remains
clear and free of obstructions.
7. Lock any security devices that were disengaged before the computer was moved.
Changing from desktop to tower orientation 5

Attaching the computer to a mounting xture
The computer can be attached to a wall, swing arm, or other mounting xture.
NOTE: This apparatus is intended to be supported by UL or CSA Listed wall mount bracket.
1. If the computer is on a stand, remove the computer from the stand and lay the computer down.
2. To attach the computer to a swing arm (sold separately), insert four screws through the holes on the
swing arm plate and into the mounting holes on the computer.
IMPORTANT: This computer supports the VESA industry standard 100 mm mounting holes. To attach a
third-party mounting solution to the computer, use the screws that are supplied with the solution.
Verify that the manufacturer’s mounting solution is compliant with the VESA standard and is rated to
support the weight of the computer. For best performance, use the power cord and other cables
provided with the computer.
To attach the computer to other mounting xtures, follow the instructions included with the mounting
xture to ensure that the computer is safely attached.
6 Chapter 1 Computer features

Installing a security lock
You can attach a security cable lock to the rear of the computer. Use the key provided to attach and remove
the lock.
To install a padlock, slide the padlock loop out from the rear of the computer and install the padlock in the
loop.
NOTE: The cable lock and padlock are designed to act as a deterrent, but they may not prevent the
computer from being mishandled or stolen.
Installing a security lock 7

2 Illustrated parts catalog
NOTE: HP continually improves and changes product parts. For complete and current information on
supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then
follow the on-screen instructions.
Computer major components
Item Description
(1) Front bezel
(2) Graphics processor with heat sink, AMD® Radeon™ RX560 4 GB (includes replacement thermal material)
(3) WLAN module
Intel® Wi-Fi 6 + Bluetooth® 5 (802.11ax 2 × 2 non-vPro™)
Intel 9260 802.11ac 2 × 2 + Bluetooth 5 PCIe (non-vPro)
Intel 8265 802.11ac 2 × 2 with Bluetooth® M.2 Combo Card (non-vPro)
Realtek RTL8822CE 802.11ac 2 × 2 Wi-Fi + Bluetooth
(4) Hard drives
8 Chapter 2 Illustrated parts catalog

Item Description
1 TB, 7200 rpm, 7 mm
500 GB, 7200 rpm, 7 mm
500 GB, 7200 rpm, OPAL2, self-encrypting drive (SED), 7 mm
500 GB, 5400 rpm, FIPS, 7 mm
Solid-state drives, 2.5 inch, SATA-3, TLC
512 GB, FIPS-140-2
512 GB, OPAL 2, self-encrypting drive (SED)
512 GB
256 GB, FIPS-140-2
256 GB, OPAL 2, self-encrypting drive (SED)
256 GB
(5) Solid-state drives, NVMe, M.2 2280, PCIe
2 TB
1 TB
512 GB, self-encrypting drive, Opal 2, TLC
512 GB, TLC
512 GB, value
256 GB, self-encrypting drive, Opal 2, TLC
256 GB, TLC
256 GB, value
128 GB, TLC
(6) Hard drive cage
(7) Hard drive cable
(8) Antenna cover
(9) Speaker
(10) Hood sensor
(11) Access panel
(12) Heat sink with fan (includes replacement thermal material)
(13) Memory module (SODIMM)
32 GB (PC4-2666)
16 GB (PC4-2666)
8 GB (PC4-2400)
4 GB (PC4-2400)
(14) System board (includes replacement thermal material)
Computer major components 9

Item Description
(15) Computer chassis
*Processor (include replacement thermal material)
AMD Ryzen™ 5 3400
AMD Ryzen 5 3400GE
AMD Ryzen 3 3200
AMD Ryzen 3 3200GE
AMD Athlon 300GE
*Option board
HDMI option board
DisplayPort option board
VGA option board
Serial port option board
USB Type-C option board
USB Type-C option board with 100 W power delivery option board
*not illustrated
Mass storage devices
Item Description
(1) Hard drive
1 TB, 7200 rpm, 7 mm
500 GB, 7200 rpm, 7 mm
10 Chapter 2 Illustrated parts catalog