HP Compaq GT7720 Operating and maintenance manual

Hardware Reference Guide
HP gt7720/gt7725 Thin Client

© Copyright 2008–2009 Hewlett-Packard
Development Company, L.P. The
information contained herein is subject to
change without notice.
Microsoft and Windows are trademarks of
Microsoft Corporation in the U.S. and other
countries.
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.
This document contains proprietary
information that is protected by copyright. No
part of this document may be photocopied,
reproduced, or translated to another
language without the prior written consent of
Hewlett-Packard Company.
Hardware Reference Guide
HP gt7720/gt7725 Thin Client
Third Edition (April 2009)
Second Edition (April 2009)
First Edition (October 2008)
Document Part Number: 510186-003

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.
ENWW iii

iv About This Book ENWW

Table of contents
1 Product Features
Standard Features ................................................................................................................................ 1
Thin Client Management Solutions ...................................................................................................... 2
Front Panel Components ..................................................................................................................... 3
Top Components .................................................................................................................................. 3
Rear Panel Components ...................................................................................................................... 4
Dual-head Configuration ...................................................................................................... 4
Quad-head Configuration .................................................................................................... 5
Installing the Rubber Feet .................................................................................................................... 5
Installing the Stand ............................................................................................................................... 6
Removing the Stand ............................................................................................................................. 6
Using the Keyboard .............................................................................................................................. 8
Windows Logo Key .............................................................................................................. 9
Additional Function Keys ..................................................................................................... 9
Special Mouse Functions ..................................................................................................................... 9
Serial Number Location ...................................................................................................................... 10
2 Hardware Changes
General Hardware Installation Sequence ........................................................................................... 11
Removing and Replacing the Secure USB Compartment Cover ....................................................... 12
Removing the Secure USB Compartment Cover .............................................................. 12
Replacing the Secure USB Compartment Cover ............................................................... 13
Removing and Replacing the Side Access Panel, Expansion Module, and Metal Side Cover .......... 15
Removing the Side Access Panel, Expansion Module, and Metal Side Cover ................. 15
Replacing the Metal Side Cover, Expansion Module, and Side Access Panel .................. 16
Installing Thin Client Options .............................................................................................................. 18
Installing the USB Device .................................................................................................. 19
Removing and Replacing the Battery ................................................................................ 19
Installing the PCI-Express Card ......................................................................................... 20
External Drives .................................................................................................................. 21
Appendix A Specifications
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Appendix B Security Provisions
Securing the Thin Client ..................................................................................................................... 24
Appendix C Mounting the Thin Client
HP Quick Release .............................................................................................................................. 25
Supported Mounting Options ............................................................................................. 27
Non-supported Mounting Option ........................................................................................ 29
Appendix D Thin Client Operation
Routine Thin Client Care .................................................................................................................... 30
Supported Orientations ...................................................................................................................... 30
Non-supported Orientation ................................................................................................................. 32
Appendix E Electrostatic Discharge
Preventing Electrostatic Damage ....................................................................................................... 33
Grounding Methods ............................................................................................................................ 33
Appendix F Shipping Information
Shipping Preparation .......................................................................................................................... 34
Important Service Repair Information ................................................................................................. 34
Index ................................................................................................................................................................... 35
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1 Product Features
Standard Features
Thank you for purchasing an HP thin client. We hope you have years of use from our thin clients. Our
goal is to provide you with award-winning clients that are easy to deploy and manage with the power
and reliability you expect.
The next sections describe the features of the thin client. For a complete list of the hardware and software
installed on a specific model, visit http://www.hp.com and search for your specific thin client model.
The following features are common to all HP thin clients:
●no hard drives or diskette drives
●5-minute hardware setup time
●central deployment and management using HP Management Solutions
Various options are available for your thin client. For more information about available options, visit the
HP Web site at http://www.hp.com and search for your specific thin client model.
ENWW Standard Features 1

Thin Client Management Solutions
HP has a comprehensive suite of management solutions to fit your needs. This allows you to choose
solutions that will work best in your environment.
HP ThinState Tools are a set of handy utilities that allow you to copy settings and software images from
one thin client to another using a USB drive key. HP ThinState tools complement other management
solutions and are included with HP thin client operating systems.
HP Device Manager is an enterprise-class thin client management software application that allows
customers to view their thin client assets remotely and to manipulate those thin clients to meet the
required business need. It is robust, yet easy to install and use. HP Device Manager lets you track,
configure, upgrade, clone, and manage thousands of individual devices from a centralized location. HP
Device Manager agents are included in most HP thin clients.
HP Client Automation is an industry-leading device management product, which is part of a bigger
Business Service Automation environment management solution. With HP Client Automation, you can
manage simple thin client deployments or highly complex IT environments that contain a combination
of thin clients, PCs, blades, servers and other common computer-based resources. HP Client
Automation agents work with all HP thin clients. For more information on HP Client Automation, please
visit the HP Web site at http://www.hp.com and search for “Business Service Automation.”
HP continues to partner with Altiris to manage HP thin clients. Altiris Deployment Solution is a leading
tool for quick deployment and ongoing management of thin clients in your organization. With your thin
client hardware purchase, you are entitled to a complimentary, current release of Altiris Deployment
Solution. For additional information, refer to the Quick Setup and Getting Started Guide that came with
your thin client, and visit the Altiris Web site at http://www.altiris.com/.
2 Chapter 1 Product Features ENWW

Front Panel Components
Figure 1-1 Front panel components
(1) Secure USB compartment (5) Power LED
(2) Power button (6) Line-out (headphone) audio connector
(3) Flash activity LED (7) Universal serial bus (USB) connectors (2)
(4) Line-in (microphone) connector
* For more information, refer to the model-specific QuickSpecs at http://h18004.www1.hp.com/products/quickspecs/
QuickSpecs_Archives/QuickSpecs_Archives.html.
Top Components
For more information, http://www.hp.com and search for your specific thin client model to find the model-
specific QuickSpecs.
The secure USB compartment allows you to use two USB devices in a secured location.
Figure 1-2 Top components, external view
ENWW Front Panel Components 3

(1) Cable lock slot
(2) Secure USB compartment
Figure 1-3 Top components, internal view
(1) Cable lock slot
(2) Secure USB compartment ports (2)
Rear Panel Components
For more information, http://www.hp.com and search for your specific thin client model to find the model-
specific QuickSpecs.
Dual-head Configuration
Figure 1-4 Rear panel components
(1) Line-out (headphone) audio connector (5) DVI-D connector
(2) Ethernet RJ-45 connector (6) DVI-I connector
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(3) Universal serial bus (USB) connectors (4) (7) Serial connector
(4) PS/2 connectors (2) (8) Power connector
Quad-head Configuration
NOTE: This applies to the HP gt7725 thin client with expansion module.
The quad-head configuration is only available with the HP gt7725 thin client
Figure 1-5 Rear panel components
(1) DMS-59 connector for DVI-I outputs (2) (splitter cable
included)
(6) PS/2 connectors (2)
(2) S-Video out (not supported) (7) DVI-D connector
(3) Line-out (headphone) audio connector (8) DVI-I connector
(4) Ethernet RJ-45 connector (9) Serial connector
(5) Universal serial bus (USB) connectors (4) (10) Power connector
Installing the Rubber Feet
To install the rubber feet:
1. Locate the holes in the corners of the left side of the thin client.
2. Remove the feet from their backing.
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3. Align the feet with their holes and press them in securely.
Figure 1-6 Installing the rubber feet
Installing the Stand
To install the stand:
1. Turn unit upside down.
2. Locate the slots on the bottom of the unit into which the tabs on the stand fit.
3. Insert the tabs into the slots (1), and then slide the stand about 1.26 cm (1/2 inch) toward the back
of the unit until it locks into place (2).
Figure 1-7 Installing the stand
Removing the Stand
To remove the stand:
1. Turn unit upside down.
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2. Press the tab (1), and then slide the stand about 1.26 cm (1/2 inch) toward the front of the unit and
lift the stand off the unit (2).
Figure 1-8 Removing the stand
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Using the Keyboard
Figure 1-9 Keyboard features
(1) Caps Lock key Activates/deactivates the Caps Lock feature.
(2) Scroll Lock key Activates/deactivates the Scroll Lock feature.
(3) Num Lock key Activates/deactivates the Num Lock feature.
(4) Ctrl key Use in combination with another key; its function depends on the
application software you are using.
(5) Windows Logo Key
12
Opens the Start menu in Microsoft Windows. Use in combination with
other keys to perform other functions. For more information, see Windows
Logo Key on page 9.
(6) Alt key Use in combination with another key; its function depends on the
application software you are using.
(7) Application key
1
Similar to the right mouse button, opens pop-up menus in a Microsoft
Office application. May perform other functions in other software
applications.
(8) Editing keys Includes the following: Insert, Home, Page Up, Delete, End, and Page
Down.
Hold Ctrl and Alt while pressing Delete to restart the thin client.
1
Available in select geographic regions.
2
Applies to XPe thin clients only.
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Windows Logo Key
Use the Windows Logo Key in combination with other keys to perform certain functions available in
Windows operating systems.
Windows Logo Key + Tab Switch between open items.
Windows Logo Key + eOpen My Computer.
Windows Logo Key + fSearch for a file or folder.
Windows Logo Key + Ctrl + fSearch for computers.
Windows Logo Key + mMinimize all windows.
Windows Logo Key + Shift + mUndo minimize all.
Windows Logo Key + Break Display the System Properties dialog box.
Windows Logo Key + rOpen the Run dialog box.
Additional Function Keys
The following key combinations also work on all thin clients regardless of operating system:
Alt + Esc Cycles through minimized applications.
Alt + Tab Cycles through open applications.
Alt + Shift + Tab Switches to the previous session.
Special Mouse Functions
Most software applications support the use of a mouse. The functions assigned to each mouse button
depend on the software applications you are using.
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Serial Number Location
Every thin client includes a unique serial number located as shown in the following illustration. Have this
number available when contacting HP customer service for assistance.
Figure 1-10 Serial number location
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2 Hardware Changes
General Hardware Installation Sequence
To ensure the proper installation thin client hardware components:
1. Back up any data, if necessary.
2. If the thin client is powered on:
a. Turn off the computer properly through the operating system, then turn off any external
devices.
b. Disconnect the power cord from the power outlet and disconnect any external devices.
c. Disconnect any external devices or cables, such as a cable lock.
WARNING! To reduce the risk of personal injury from electrical shock and/or hot surfaces, be
sure to disconnect the power cord from the wall outlet and allow the internal system components
to cool before touching.
WARNING! To reduce the risk of electrical shock, fire, or damage to the equipment, do not plug
telecommunications or telephone connectors into the network interface controller (NIC)
receptacles.
CAUTION: Static electricity can damage the electronic components of the thin client or optional
equipment. Before beginning these procedures, ensure that you are discharged of static electricity
by briefly touching a grounded metal object. See Electrostatic Discharge on page 33 for more
information.
3. Remove the secure USB compartment cover. See Removing and Replacing the Secure USB
Compartment Cover on page 12 for more information.
4. Remove the side access panel, expansion module, and metal side cover. See Removing and
Replacing the Side Access Panel, Expansion Module, and Metal Side Cover on page 15 for more
information.
5. Remove any hardware that you will replace.
6. Install or replace equipment. For removal and replacement procedures, see the following
sections:
●Installing the USB Device on page 19
●Removing and Replacing the Battery on page 19
ENWW General Hardware Installation Sequence 11

●Installing the PCI-Express Card on page 20
●External Drives on page 21
NOTE: Option kits include more detailed installation instructions.
7. Replace the metal side cover, expansion module, and side access panel. See Removing and
Replacing the Side Access Panel, Expansion Module, and Metal Side Cover on page 15.
8. Replace the secure USB compartment cover. See Removing and Replacing the Secure USB
Compartment Cover on page 12.
9. Reconnect any external devices and power cords.
10. Turn on the monitor, the thin client, and any devices you want to test.
11. Load any necessary drivers.
NOTE: You can download select hardware drivers from HP. Go to http://www.hp.com and search
for your specific thin client model.
12. Reconfigure the thin client, if necessary.
Removing and Replacing the Secure USB Compartment
Cover
The secure USB compartment allows you to install two USB devices in a secure location inside the thin
client. Along with providing a hidden location, the secure USB compartment can be locked by the
optional security cable lock.
CAUTION: The ambient temperature inside of the secure USB compartment can reach up to 55° C
(131° F) in worst case conditions. Make sure the specifications for any device you install in the
compartment indicate the device can tolerate a 55° C (131° F) ambient environment.
NOTE: In addition to following these instructions, follow the detailed instructions that accompany the
accessory you are installing.
Before beginning the installation process, review General Hardware Installation Sequence
on page 11 for procedures you should follow before and after installing or replacing hardware.
Removing the Secure USB Compartment Cover
Use the following procedure to remove the secure USB compartment cover.
WARNING! Before removing the secure USB compartment cover, ensure that the thin client is turned
off and the power cord is disconnected from the electrical outlet.
To remove the secure USB compartment cover:
1. On rear of the thin client, remove the screw that secures the compartment cover to the unit (1).
2. On the front of the unit, push the compartment cover about 1.27 cm (1/2 inch) toward the back of
the unit (2).
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3. Remove the cover from the unit by first lifting the rear (screw side) of the cover, and then lifting the
cover off the unit (3).
Figure 2-1 Removing the secure USB compartment cover
Replacing the Secure USB Compartment Cover
To replace the secure compartment cover:
1. Place the cover on top of the unit so it is offset about 1.27 cm (1/2 inch) toward the rear of the unit,
allowing the tabs on the cover to align and insert into the slots on the chassis (1).
2. Slide the cover toward the front of the unit until it locks in place and the cover is flush with the front
panel of the chassis (2).
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3. Replace the screw (3).
Figure 2-2 Replacing the secure compartment cover
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