Hardware Reference Guide
HP EliteDesk 705 G3 Desktop Mini
© Copyright 2016 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.
First Edition: July 2016
Document part number: 865597-001
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.
For details on Windows
®
8 functionality, go to
http://www.microsoft.com for details.
For details on Windows 7 functionality. Go to
http://windows.microsoft.com/en-us/
windows7/get-know-windows-7 for details.
To access the latest user guides or manuals for
your product, go to http://www.hp.com/
support, and select your country. Select Find
your product, and then follow the on-screen
instructions.
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 place of purchase.
For any further information or to request a full
refund of the computer, please contact your
local point of sale (the seller).
About This Book
This guide provides basic information for upgrading the HP Desktop Mini Business PC.
WARNING! Text set o in this manner indicates that failure to follow directions could result in bodily harm or
loss of life.
CAUTION: Text set o in this manner indicates that failure to follow directions could result in damage to
equipment or loss of information.
NOTE: Text set o in this manner provides important supplemental information.
iii
iv About This Book
Table of contents
1 Product features ........................................................................................................................................... 1
Standard conguration features ........................................................................................................................... 1
Front components ................................................................................................................................................. 2
Rear components ................................................................................................................................................... 3
Serial number location .......................................................................................................................................... 4
2 Setup ............................................................................................................................................................ 5
Changing from desktop to tower conguration .................................................................................................... 5
Attaching the computer to a mounting xture ..................................................................................................... 6
Installing a security cable ...................................................................................................................................... 7
Connecting the power cord .................................................................................................................................... 7
3 Hardware upgrades ....................................................................................................................................... 8
Serviceability features ........................................................................................................................................... 8
Warnings and cautions .......................................................................................................................................... 8
Removing the computer access panel ................................................................................................................... 9
Replacing the computer access panel ................................................................................................................. 10
Installing memory modules ................................................................................................................................ 11
Memory modules ............................................................................................................................... 11
Memory module specications ......................................................................................................... 11
Populating memory module slots .................................................................................................... 12
Installing memory modules .............................................................................................................. 13
Removing a hard drive ......................................................................................................................................... 17
Installing a hard drive .......................................................................................................................................... 18
Replacing an M.2 PCIe solid state drive (SSD) ..................................................................................................... 19
Replacing the WLAN module ............................................................................................................................... 23
Installing an external antenna ............................................................................................................................ 27
Replacing the battery .......................................................................................................................................... 31
Synchronizing the optional wireless keyboard and mouse ................................................................................ 35
v
Appendix A Electrostatic discharge .................................................................................................................. 37
Preventing electrostatic damage ........................................................................................................................ 37
Grounding methods ............................................................................................................................................. 37
Appendix B Computer operating guidelines, routine care and shipping preparation ............................................. 38
Computer operating guidelines and routine care ............................................................................................... 38
Shipping preparation ........................................................................................................................................... 39
Index ............................................................................................................................................................. 40
vi
1 Product features
Standard conguration 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 stand is sold
separately.
Standard conguration features 1
Front components
NOTE: Your computer model may look slightly dierent from the illustration in this section.
ItemIcon Component ItemIcon Component
1 Audio-out (headphone) jack 4 USB port
2 Audio-out (headphone)/Audio-in (microphone)
combo jack
3 USB 3.0 (charging) port 6 Power button
NOTE: The USB 3.0 (charging) port also provides current to charge a device such as a Smart Phone. The charging current is available
whenever the power cord is connected to the system, even when the system is o.
5 Hard drive light
2 Chapter 1 Product features
Rear components
NOTE: Your computer model may look slightly dierent from the illustration in this section.
ItemIcon Component ItemIcon Component
Item Component Item Component
1 External antenna 8 Power cord retention hook
2 Dual-Mode DisplayPort (D++) 9 USB ports (2)
3 VGA monitor port 10 Padlock loop
4 External antenna connectors (2) 11 RJ-45 (network) jack
5 DisplayPort, HDMI (shown), VGA, or Serial
connector*
6 Thumbscrew 13 Power connector
7 USB 3.0 ports (2) (blue)
* Optional
12 Security cable slot
Rear 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 for use when contacting customer service for assistance.
4 Chapter 1 Product features
2 Setup
Changing from desktop to tower conguration
The computer can be used in a tower orientation with an optional tower stand that can be purchased from HP.
1. Remove/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, then turn o any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to
the internal components of 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, 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 when the access panel was removed.
Changing from desktop to tower conguration 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.
CAUTION: 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. It is
important to 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, it is important to 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 2 Setup
Installing a security cable
The security cable and padlock displayed below can be used to secure the computer.
NOTE: The security cable is designed to act as a deterrent, but it may not prevent the computer from being
mishandled or stolen.
Connecting the power cord
When connecting the AC adapter, it is important to follow the steps below to ensure that the power cord does
not pull free from the computer.
1. Connect the power cord to the AC adapter (1).
2. Plug the power cord into an AC outlet (2).
3. Connect the AC adapter cord to the power connector on the rear of the computer (3).
4. Route the AC adapter cord through the retainer clip to prevent the AC adapter cord from becoming
disconnected from the computer (4).
CAUTION: Failure to secure the AC adapter cord with the retainer clip may result in the adapter cord
becoming disconnected and loss of data.
Installing a security cable 7
3 Hardware upgrades
Serviceability features
The computer includes features that make it easy to upgrade and service. No tools are needed for most of the
installation procedures described in this chapter.
Warnings and cautions
Before performing upgrades be sure to carefully read all of the applicable instructions, cautions, and
warnings in this guide.
WARNING! To reduce the risk of personal injury from electrical shock, hot surfaces, or re:
Disconnect the power cord from the AC outlet and allow the internal system components to cool before
touching.
Do not connect telecommunications or telephone connectors to the network interface controller (NIC)
receptacles.
Do not disable the power cord grounding plug. The grounding plug is an important safety feature.
Plug the power cord in a grounded (earthed) AC outlet that is easily accessible at all times.
To reduce the risk of serious injury, read the Safety & Comfort Guide. It describes proper workstation, setup,
posture, and health and work habits for computer users, and provides important electrical and mechanical
safety information. This guide is located on the web at http://www.hp.com/ergo.
WARNING! Energized and moving parts inside.
Disconnect power to the equipment before removing the enclosure.
Replace and secure the enclosure before re-energizing the equipment.
CAUTION: Static electricity can damage the electrical components of the computer or optional equipment.
Before beginning these procedures, ensure that you are discharged of static electricity by briey touching a
grounded metal object. See Electrostatic discharge on page 37 for more information.
When the computer is plugged into an AC power source, voltage is always applied to the system board. You
must disconnect the power cord from the power source before opening the computer to prevent damage to
internal components.
NOTE: Your computer model may look slightly dierent from the illustrations in this chapter.
8 Chapter 3 Hardware upgrades
Removing the computer access panel
To access internal components, you must remove the access panel:
1. Remove/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, then turn o any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to
the internal components of the computer.
5. If the computer is on a stand, remove the computer from the stand and lay the computer down.
6. Loosen the thumbscrew on the rear of the computer (1).
NOTE: If necessary, a Torx T-15 screwdriver may be used to loosen the thumbscrew.
7. Slide the panel forward and lift if o the computer (2).
NOTE: Your computer model may look slightly dierent from the illustration in this section.
Removing the computer access panel 9
Replacing the computer access panel
1. Place the panel on the computer and slide it back (1).
2. Tighten the thumbscrew (2) to secure the panel in place.
NOTE: Your computer model may look slightly dierent from the illustration in this section.
10 Chapter 3 Hardware upgrades
Installing memory modules
The computer comes with small outline, dual inline memory modules (SODIMMs).
Memory modules
The memory module slots on the system board can be populated with up to two industry-standard memory
modules. These memory module slots are populated with at least one preinstalled memory module. To
achieve the maximum memory support, you can populate the system board with up to 16 GB of memory.
Memory module specications
For proper system operation, the memory modules must meet the following qualications:
Component Specication
Memory modules 1.2 volt DDR4-SDRAM memory modules
Compliance unbuered non-ECC PC4-17000 DDR4-2133 MHz-compliant
Pins industry-standard 288-pin containing the mandatory Joint Electronic Device Engineering
Council (JEDEC) specication
Support support CAS latency 15 DDR4 2133 MHz (15-15-15 timing)
Slots 2
Maximum Memory 32
Supported 512 Mbit, 1 Gbit, and 2 Gbit non-ECC memory technologies single-sided and double-
sided memory modules
Note The system will not operate properly if you install unsupported memory modules.
Memory modules constructed with x8 and x16 DDR devices are supported; memory
modules constructed with x4 SDRAM are not supported.
HP oers upgrade memory for this computer and advises that the consumer purchase it to avoid
compatibility issues with unsupported third-party memory.
Installing memory modules 11
Populating memory module slots
There are two memory module slots on the system board, with one slot per channel. The sockets are labeled
DIMM1 and DIMM3. The DIMM1 slot operates in memory channel B. The DIMM3 slot operates in memory
channel A.
Item Description System Board Label Slot Color
1 Memory module slot, Channel B DIMM1 Black
2 Memory module slot, Channel A DIMM3 Black
The system will automatically operate in single channel mode, dual channel mode, or ex mode, depending
on how the memory modules are installed.
●
The system will operate in single channel mode if the memory module slots are populated in one
channel only.
●
The system will operate in a higher-performing dual channel mode if the memory capacity of the
memory module in Channel A is equal to the memory capacity of the memory module in Channel B.
●
The system will operate in ex mode if the memory capacity of the memory module in Channel A is not
equal to the memory capacity of the memory module in Channel B. In ex mode, the channel populated
with the least amount of memory describes the total amount of memory assigned to dual channel and
the remainder is assigned to single channel. If one channel will have more memory than the other, the
larger amount should be assigned to channel A.
●
In any mode, the maximum operational speed is determined by the slowest memory module in the
system.
12 Chapter 3 Hardware upgrades
Installing memory modules
CAUTION: You must disconnect the power cord and wait approximately 30 seconds for the power to drain
before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to
the memory modules as long as the computer is plugged into an active AC outlet. Adding or removing
memory modules while voltage is present may cause irreparable damage to the memory modules or system
board.
The memory module slots have gold-plated metal contacts. When upgrading the memory, it is important to
use memory modules with gold-plated metal contacts to prevent corrosion and/or oxidation resulting from
having incompatible metals in contact with each other.
Static electricity can damage the electronic components of the computer or optional cards. Before beginning
these procedures, ensure that you are discharged of static electricity by
object. For more information, see Electrostatic discharge on page 37.
When handling a memory module, be careful not to touch any of the contacts. Doing so may damage the
module.
1. Remove/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, then turn o any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
briey touching a grounded metal
5. If the computer is on a stand, remove the computer from the stand and lay the computer down.
6. Remove the computer access panel.
For instructions, see Removing the computer access panel on page 9.
7. Lift the tab (1) in the center, and then slide the fan (2) toward the front of the chassis to remove it.
8. Disconnect the fan cable (3) from the system board.
Installing memory modules 13
9. Locate the memory modules on the system board.
10. To remove a memory module, press outward on the two latches on each side of the memory module (1),
and then pull the memory module (2) out of the slot.
14 Chapter 3 Hardware upgrades
11. Slide the new memory module into the slot at approximately a 30° angle (1) then press the memory
module down (2) so that the latches lock it in place.
NOTE: A memory module can be installed in only one way. Match the notch on the module with the tab
on the memory module slot.
12. Hold the fan over the memory modules.
CAUTION: Avoid pulling the fan cable.
13. Reconnect the fan cable (1) to the system board.
Installing memory modules 15
14. Guide the fan arms into the brackets on each side, slide the fan (2) toward the back of the chassis, and
then press the fan (3) down until the fan clicks into place.
15. Replace the access panel.
For instructions, see Replacing the computer access panel on page 10.
16. If the computer was on a stand, replace the stand.
17. Plug in the power cord and turn on the computer.
18. Lock any security devices that were disengaged when the computer cover or access panel was removed.
The computer automatically recognizes the new memory when you turn on the computer.
16 Chapter 3 Hardware upgrades
Removing a hard drive
NOTE: Before you remove the old hard drive, be sure to back up the data from the old hard drive so that you
can transfer the data to the new hard drive.
1. Remove/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, then turn o any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to
the internal components of the computer.
5. If the computer is on a stand, remove the computer from the stand.
6. Remove the computer access panel.
For instructions, see Removing the computer access panel on page 9.
7. Pull the tab on the hard drive power and data cable (1) to disconnect the cable from the hard drive.
NOTE: Do not disconnect the cable from the system board.
WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components
to cool before touching.
8. Pull and hold the release lever (2) next to the rear of the hard drive outward.
9. Slide the drive toward the rear of the chassis until it stops, then lift the hard drive up and out of the cage
(3).
Removing a hard drive 17
Installing a hard drive
NOTE: Before you remove the old hard drive, be sure to back up the data from the old hard drive so that you
can transfer the data to the new hard drive.
1. If you are installing a new hard drive, transfer the silver and blue isolation mounting guide screws from
the old hard drive to the new hard drive.
2. Align the hard drive guide screws with the slots on the hard drive cage, press the hard drive down into
the cage, then slide it forward until it stops and locks in place (1).
3. Connect the hard drive power and data cable (2) to the hard drive.
4. Replace the access panel.
For instructions, see Replacing the computer access panel on page 10.
5. If the computer was on a stand, replace the stand.
18 Chapter 3 Hardware upgrades
6. Plug in the power cord and turn on the computer.
7. Lock any security devices that were disengaged when the access panel was removed.
Replacing an M.2 PCIe solid state drive (SSD)
1. Remove/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, then turn o any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to
the internal components of the thin client.
5. If the computer is on a stand, remove the computer from the stand and lay the computer down.
6. Remove the computer access panel.
For instructions, see Removing the computer access panel on page 9.
7. Pull the tab on the hard drive power and data cable (1) to disconnect the cable from the hard drive.
WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components
to cool before touching.
8. Pull and hold the release lever (2) next to the rear of the hard drive outward.
9. Slide the drive back until it stops, and then lift the drive (3) up and out of the cage.
10. Remove the three screws (1) securing the hard drive cage to the chassis.
11. Lift the hard drive cage (2) out of the chassis.
Replacing an M.2 PCIe solid state drive (SSD) 19
12. Pull the hood sensor (3) up and o the hard drive cage.
13. Locate the SSD on the system board.
14. Remove the screw (1) securing the SSD to the system board.
20 Chapter 3 Hardware upgrades
15. Grasp the SSD by the sides and carefully pull it (2) out of the socket.
16. Insert the new SSD into the socket on the system board.
NOTE: An SSD can be installed in only one way.
17. Press the SSD connectors (1) rmly into the socket.
18. Press the SSD down to the system board and use the included screw (2) to secure the SSD.
19. Press the hood sensor (1) rmly into place.
20. Set the hard drive cage (2) into the chassis.
Replacing an M.2 PCIe solid state drive (SSD) 21
21. Secure the hard drive cage to the chassis with the three screws (3).
22. Align the hard drive guide screws with the slots on the hard drive cage, press the hard drive down into
the cage, then slide it (1) forward until it stops and locks in place.
23. Connect the hard drive power and data cable (2) to the hard drive.
24. Replace the access panel.
For instructions, see Replacing the computer access panel on page 10.
25. If the computer was on a stand, replace the stand.
26. Plug in the power cord and turn on the computer.
27. Lock any security devices that were disengaged when the computer cover or access panel was removed.
22 Chapter 3 Hardware upgrades
Replacing the WLAN module
1. Remove/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, then turn o any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to
the internal components of the thin client.
5. If the computer is on a stand, remove the computer from the stand and lay the computer down.
6. Remove the computer access panel.
For instructions, see Removing the computer access panel on page 9.
7. Pull the tab on the hard drive power and data cable (1) to disconnect the cable from the hard drive.
WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components
to cool before touching.
8. Pull and hold the release lever (2) next to the rear of the hard drive outward.
9. Slide the drive back until it stops, and then lift the drive (3) up and out of the cage.
10. Remove the three screws (1) securing the hard drive cage to the chassis.
11. Lift the hard drive cage (2) out of the chassis.
Replacing the WLAN module 23
12. Pull the hood sensor (3) up and o the hard drive cage.
13. Locate the WLAN module on the system board.
14. Disconnect both antenna cables from the WLAN module.
NOTE: You may need to use a small tool, such as a pair of tweezers or needle-nose pliers, to
disconnect and connect the antenna cables.
15. Remove the screw (1) securing the WLAN module to the system board.
24 Chapter 3 Hardware upgrades
16. Grasp the WLAN module (2) by the sides and pull it out of the socket.
17. Insert the new WLAN module into the socket on the system board.
NOTE: A WLAN module can be installed in only one way.
18. Press the WLAN module connectors rmly into the socket (1).
19. Press the WLAN module down to the system board and use the included screw to secure the module (2).
20. Match the label on each antenna cable to the corresponding connector on the WLAN module and attach
the antennas (3) to the connectors.
21. Press the hood sensor (1) rmly into place.
22. Set the hard drive cage (2) into the chassis.
Replacing the WLAN module 25
23. Secure the hard drive cage to the chassis with the three screws (3).
24. Align the hard drive guide screws with the slots on the hard drive cage, press the hard drive down into
the cage, then slide it (1) forward until it stops and locks in place.
25. Connect the hard drive power and data cable (2) to the hard drive.
26. Replace the access panel.
For instructions, see Replacing the computer access panel on page 10.
27. If the computer was on a stand, replace the stand.
28. Plug in the power cord and turn on the computer.
29. Lock any security devices that were disengaged when the computer cover or access panel was removed.
26 Chapter 3 Hardware upgrades
Installing an external antenna
Internal WLAN antennae are standard. If the computer is to be installed in a metal kiosk or other enclosure,
you may wish or need to use an external WLAN antenna.
1. Remove/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, then turn o any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to
the internal components of the thin client.
5. If the computer is on a stand, remove the computer from the stand and lay the computer down.
6. Remove the computer access panel.
For instructions, see Removing the computer access panel on page 9.
7. Pull the tab on the hard drive power and data cable (1) to disconnect the cable from the hard drive.
WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components
to cool before touching.
8. Pull and hold the release lever (2) next to the rear of the hard drive outward.
9. Slide the drive back until it stops, and then lift the drive (3) up and out of the cage.
10. Remove the three screws securing the hard drive cage to the chassis (1).
11. Lift the hard drive cage out of the chassis (2).
Installing an external antenna 27
12. Pull the hood sensor up and o the hard drive cage (3).
13. Locate the WLAN module on the system board.
14. Disconnect the internal antennae from the WLAN module.
For instructions, see Replacing the WLAN module on page 23.
15. Locate both external antenna positions on the rear of the chassis.
28 Chapter 3 Hardware upgrades
16. Insert a Phillips screwdriver in each knock-out feature and rotate to remove the blank.
17. Feed the external antenna cable through each hole and screw the antenna into position.
18. Connect the external antenna cables to the WLAN module.
19. Press the hood sensor (1) rmly into place.
20. Set the hard drive cage (2) into the chassis.
Installing an external antenna 29
21. Secure the hard drive cage to the chassis with the three screws (3).
22. Align the hard drive guide screws with the slots on the hard drive cage, press the hard drive down into
the cage, then slide it (1) forward until it stops and locks in place.
23. Connect the hard drive power and data cable (2) to the hard drive.
24. Replace the access panel.
For instructions, see Replacing the computer access panel on page 10.
25. If the computer was on a stand, replace the stand.
26. Plug in the power cord and turn on the computer.
27. Lock any security devices that were disengaged when the computer cover or access panel was removed.
30 Chapter 3 Hardware upgrades
Replacing the battery
The battery that comes with the computer provides power to the real-time clock. When replacing the battery,
use a battery equivalent to the battery originally installed in the computer. The computer comes with a 3-volt
lithium coin cell battery.
WARNING! The computer contains an internal lithium manganese dioxide battery. There is a risk of re and
burns if the battery is not handled properly. To reduce the risk of personal injury:
Do not attempt to recharge the battery.
Do not expose to temperatures higher than 60°C (140°F).
Do not disassemble, crush, puncture, short external contacts, or dispose of in re or water.
Replace the battery only with the HP spare designated for this product.
CAUTION: Before replacing the battery, it is important to back up the computer CMOS settings. When the
battery is removed or replaced, the CMOS settings will be cleared.
Static electricity can damage the electronic components of the computer or optional equipment. Before
beginning these procedures, ensure that you are discharged of static electricity by briey touching a
grounded metal object.
NOTE: The lifetime of the lithium battery can be extended by plugging the computer into a live AC wall
socket. The lithium battery is only used when the computer is NOT connected to AC power.
HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable
batteries. For more information about recycling programs, go to http://www.hp.com/recycle.
1. Remove/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, then turn o any external devices.
4. Disconnect the power cord from the AC outlet and disconnect any external devices.
CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as
the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to
the internal components of the computer.
5. If the computer is on a stand, remove the computer from the stand and lay the computer down.
6. Remove the computer access panel.
For instructions, see Removing the computer access panel on page 9.
7. Pull the tab on the hard drive power and data cable (1) to disconnect the cable from the hard drive.
WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components
to cool before touching.
8. Pull and hold the release lever (2) next to the rear of the hard drive outward.
Replacing the battery 31
9. Slide the drive back until it stops, then lift the drive (3) up and out of the cage.
10. Remove the three screws (1) securing the hard drive cage to the chassis.
11. Lift the hard drive cage (2) out of the chassis.
12. Pull the hood sensor (3) up and o the hard drive cage.
32 Chapter 3 Hardware upgrades
13. Locate the battery and battery holder on the system board.
NOTE: You may need to use a small tool, such as tweezers or needle-nose pliers, to remove and
replace the battery.
14. Lift the battery out of the holder.
15. Slide the replacement battery into position, positive side up. The battery holder automatically secures
the battery in the proper position.
16. Press the hood sensor (1) rmly into place.
17. Set the hard drive cage (2) into the chassis.
Replacing the battery 33
18. Secure the hard drive cage to the chassis with the three screws (3).
19. Align the hard drive guide screws with the slots on the hard drive cage, press the hard drive down into
the cage, then slide it (1) forward until it stops and locks in place.
20. Connect the hard drive power and data cable (2) to the hard drive.
21. Replace the computer access panel.
22. If the computer was on a stand, replace the stand.
23. Plug in the power cord and turn on the computer.
24. Lock any security devices that were disengaged when the computer access panel was removed.
25. Reset the date and time, your passwords, and any special system setups using Computer Setup.
34 Chapter 3 Hardware upgrades
Synchronizing the optional wireless keyboard and mouse
The mouse and keyboard are synchronized at the factory. If they do not work, remove and replace the
batteries. If the mouse and keyboard are still not synchronized, then follow this procedure to manually resynchronize the pair.
1.
2.
3.
Synchronizing the optional wireless keyboard and mouse 35
4.
5.
NOTE: If the mouse and keyboard still do not work, then remove and replace the batteries. If the mouse and
keyboard are still not synchronized, then synchronize the keyboard and mouse again.
36 Chapter 3 Hardware upgrades
A Electrostatic discharge
A discharge of static electricity from a nger or other conductor may damage system boards or other staticsensitive devices. This type of damage may reduce the life expectancy of the device.
Preventing electrostatic damage
To prevent electrostatic damage, observe the following precautions:
●
Avoid hand contact by transporting and storing products in static-safe containers.
●
Keep electrostatic-sensitive parts in their containers until they arrive at static-free workstations.
●
Place parts on a grounded surface before removing them from their containers.
●
Avoid touching pins, leads, or circuitry.
●
Always be properly grounded when touching a static-sensitive component or assembly.
Grounding methods
There are several methods for grounding. Use one or more of the following methods when handling or
installing electrostatic-sensitive parts:
●
Use a wrist strap connected by a ground cord to a grounded workstation or computer chassis. Wrist
straps are exible straps with a minimum of 1 megohm +/- 10 percent resistance in the ground cords. To
provide proper ground, wear the strap snug against the skin.
●
Use heelstraps, toestraps, or bootstraps at standing workstations. Wear the straps on both feet when
standing on conductive oors or dissipating oor mats.
●
Use conductive eld service tools.
●
Use a portable eld service kit with a folding static-dissipating work mat.
If you do not have any of the suggested equipment for proper grounding, contact an HP authorized dealer,
reseller, or service provider.
NOTE: For more information on static electricity, contact an HP authorized dealer, reseller, or service
provider.
Preventing electrostatic damage 37
B Computer operating guidelines, routine
care and shipping preparation
Computer operating guidelines and routine care
Follow these guidelines to properly set up and care for the computer and monitor:
●
Keep the computer away from excessive moisture, direct sunlight, and extremes of heat and cold.
●
Operate the computer on a sturdy, level surface. Leave a 10.2 cm (4 inch) clearance on all vented sides of
the computer and above the monitor to permit the required airow.
●
Never restrict the airow into the computer by blocking any vents or air intakes. Do not place the
keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also
restricts airow.
●
Never operate the computer with the access panel or any of the expansion card slot covers removed.
●
Do not stack computers on top of each other or place computers so near each other that they are subject
to each other’s re-circulated or preheated air.
●
If the computer is to be operated within a separate enclosure, intake and exhaust ventilation must be
provided on the enclosure, and the same operating guidelines listed above will still apply.
●
Keep liquids away from the computer and keyboard.
●
Never cover the ventilation slots on the monitor with any type of material.
●
Install or enable power management functions of the operating system or other software, including
sleep states.
●
Turn o the computer before you do either of the following:
◦
Wipe the exterior of the computer with a soft, damp cloth as needed. Using cleaning products may
discolor or damage the nish.
◦
Occasionally clean the air vents on all vented sides of the computer. Lint, dust, and other foreign
matter can block the vents and limit the airow.
38 Appendix B Computer operating guidelines, routine care and shipping preparation
Shipping preparation
Follow these suggestions when preparing to ship the computer:
1. Back up the hard drive les to an external storage device. Be sure that the backup media is not exposed
to electrical or magnetic impulses while stored or in transit.
NOTE: The hard drive locks automatically when the system power is turned o.
2. Remove and store all removable media.
3. Turn o the computer and external devices.
4. Disconnect the power cord from the AC outlet, then from the computer.
5. Disconnect the system components and external devices from their power sources, then from the
computer.
NOTE: Ensure that all boards are seated properly and secured in the board slots before shipping the
computer.
6. Pack the system components and external devices in their original packing boxes or similar packaging
with suicient packing material to protect them.
Shipping preparation 39
Index
A
access panel
removal 9
replacement 10
B
battery
installation 31
removal 31
battery replacement 31
C
computer operating guidelines 38
E
electrostatic discharge, preventing
damage 37
external antenna
installation 27
F
front components 2
H
hard drive
installation 17, 18
removal 17, 18
I
installation guidelines 8
installing
battery 31
computer access panel 10
external antenna 27
hard drive 17, 18
memory modules 11, 13
security cable 7
solid state drive 19
WLAN module 23
K
keyboard
synchronizing wireless 35
M
memory
socket population 12
memory modules
installation 11, 13
maximum 11
removal 13
slots 11
specications 11
mounting the computer 6
mouse
synchronizing wireless 35
P
power cord connection 7
product ID location 4
R
rear components 3
removing
battery 31
computer access panel 9
hard drive 17, 18
memory modules 13
solid state drive 19
WLAN module 23
S
security cable
installation 7
serial number location 4
shipping preparation 39
solid state drive
installation 19
removal 19
specications, memory modules 11
synchronizing wireless keyboard and
mouse 35
T
tower conversion 5
V
ventilation guidelines 38
VESA mounting holes 6
W
WLAN module
installation 23
removal 23
40 Index
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