HP t628 Troubleshooting Manual
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HP t628 Troubleshooting Manual

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Troubleshooting Guide
HP t628 Thin Client

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Summary of Contents for HP t628

  • Page 1 Troubleshooting Guide HP t628 Thin Client...
  • Page 2 AMD is a trademark of Advanced bound by the terms of the HP End User License Micro Devices, Inc. Agreement (EULA). If you do not accept these...
  • Page 3 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.
  • Page 4 About This Book...

  • Page 5: Table Of Contents

    Table of contents 1 Product features ............................1 Front panel components ............................1 Rear panel components ............................2 Serial number location ............................3 2 Setup ................................4 Warnings and cautions ............................4 Connecting the power cord ............................ 5 Attaching the stand ............................... 6 Adjusting the stand ..........................
  • Page 6 Computer Setup—Power ........................39 Computer Setup—Advanced ......................39 Changing BIOS Settings from the HP BIOS Configure Utility (HPBCU) ..............40 Updating or restoring a BIOS ..........................43 Appendix B Diagnostics and troubleshooting ....................45 LEDs ..................................45 Wake-on LAN ............................... 46 Power-On Sequence ............................

  • Page 7: Product Features

    Product features This guide describes the features of the thin client. For more information about the hardware and software installed on this thin client, go to http://www.hp.com/go/quickspecs and search for this thin client. Front panel components For more information, go to http://www.hp.com/go/quickspecs...

  • Page 8: Rear Panel Components

    Rear panel components For more information, go to http://www.hp.com/go/quickspecs and search for your specific thin client to find the QuickSpecs. Item Component Item Component RJ-45 (network) jack VGA connector Parallel port Serial port COM 1 Configurable serial ports COM 2 and COM 4...

  • Page 9: Serial Number Location

    Serial number location Every thin client includes a unique serial number located as shown in the following illustration. Have this number available when contacting support for assistance. Serial number location...

  • Page 10: Setup

    It also provides electrical and mechanical safety information. The Safety & Comfort Guide is located on the HP website at http://www.hp.com/ergo. WARNING! Energized parts inside.

  • Page 11: Connecting The Power Cord

    Connecting the power cord Plug the power cord into the AC adapter (1). Plug the other end of the power cord into an AC outlet (2). Connect the AC adapter to the power connector on the rear of the thin client (3). Press the power cord into the retention hook and bundle any excess power cord.

  • Page 12: Attaching The Stand

    CAUTION: To ensure proper airflow, the thin client must either be operated with the stand attached or be mounted using the HP Quick Release mounting bracket. Adjusting the stand The stand included with the thin client allows the thin client to be used in either a tower or horizontal orientation.
  • Page 13 Lock any security devices that were disengaged when the thin client cover or access panel was removed. NOTE: An optional Quick Release mounting bracket is available from HP for mounting the thin client to a wall, desk, or swing arm. When the mounting bracket is used, do not install the thin client with the I/O ports oriented towards the ground.

  • Page 14: Securing The Thin Client

    Securing the thin client The thin client is designed to accept a security cable. This cable prevents unauthorized removal of the thin client. To order this option, go to the HP website at http://www.hp.com and search for your specific thin client.

  • Page 15: Hardware Changes

    ALWAYS operate the thin client with the access panel in place. In addition to enhancing safety, the access panel may provide important instructions and identification information, which may be lost if the access panel is not used. DO NOT use any access panel except the one that is provided by HP for use with this thin client.

  • Page 16: Replacing The Access Panel

    Turn off the thin client properly through the operating system, and then turn off any external devices. Unplug 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.

  • Page 17: Locating Internal Components

    Locating internal components Item Component Item Component M.2 socket shown with Wi-Fi module installed Configurable serial port jumpers Front I/O board Memory module Hard drive bracket Battery Primary storage slot shown with flash memory CMOS button storage installed Removing and replacing the battery WARNING! Before removing the access panel, be sure that the thin client is turned off and the power cord is disconnected from the AC outlet.
  • Page 18 Reconnect external devices, reconnect the power cord, and then turn on the thin client. Lock any security devices that were disengaged when the thin client access panel was removed. 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...

  • Page 19: Replacing A Wlan Module

    Replacing a WLAN module An optional WLAN module may be installed in the thin client. NOTE: The WLAN module sits under the front I/O board. While this board does not inhibit removal of the WLAN module, the board makes it difficult to locate the M.2 connector and replace the WLAN module. WARNING! To reduce the risk of personal injury or equipment damage from electric shock, hot surfaces, or fire, disconnect the AC power cord from the AC outlet and allow the internal system components to cool...
  • Page 20 Remove the WLAN module by pulling the module away from the slot at an angle (3). Insert the WLAN module into the slot (1). Insert the Phillips PM2.0×3.0 screw (2) that secures the WLAN module to the system board. Connect the WLAN antenna cables (3) to the terminals on the WLAN module. NOTE: The number of antenna cables may vary.

  • Page 21: Upgrading System Memory

    Upgrading system memory The memory socket on the system board is populated with one memory module. To achieve the maximum memory support, you can populate the system board with up to 8 GB of memory. For proper system operation, the memory module must adhere to the following specifications: ●...
  • Page 22 WARNING! To reduce risk of personal injury from hot surfaces, allow the internal system components to cool before you touch them. Locate the memory module on the system board. See Locating internal components on page To remove a memory module , press outward on the two latches on each side of the memory module (1), rotate the memory module up, and then pull the memory module out of the socket (2).

  • Page 23: Configuring Serial Ports

    Configuring serial ports Two configurable serial ports, COM 2 and COM 4, are standard on the thin client. On some models, COM 3 is also a configurable serial port. COM 1 is a standard serial port that cannot be configured. Some devices use a powered serial port.

  • Page 24: Serial Port Functionality

    Serial port functionality Chapter 3 Hardware changes...
  • Page 25 CAUTION: To prevent severe equipment damage, carefully verify the location of the serial port jumper before you configure it. See Locating configurable serial port jumpers on page 17 for locations. Jumper Configuration Function Configuring serial ports...
  • Page 26 Jumper Configuration Function Chapter 3 Hardware changes...
  • Page 27 Jumper Configuration Function Configuring serial ports...
  • Page 28 Jumper Configuration Function Chapter 3 Hardware changes...
  • Page 29 Jumper Configuration Function Configuring serial ports...
  • Page 30 Jumper Configuration Function Chapter 3 Hardware changes...
  • Page 31 Jumper Configuration Function Configuring serial ports...
  • Page 32 Jumper Configuration Function Chapter 3 Hardware changes...
  • Page 33 Jumper Configuration Function Configuring serial ports...
  • Page 34 Jumper Configuration Function Chapter 3 Hardware changes...

  • Page 35: Configuring The Serial Ports

    Lock any security devices that were disengaged when the thin client access panel was removed. Replacing or installing a hard drive You may replace or install a hard drive in the thin client. A 2.5-inch SATA hard drive is available from HP for this purpose.
  • Page 36 Remove the three screws (1) securing the hard drive bracket to the chassis. Slide the hard drive bracket (2) toward the front of the chassis until it stops and the tab on the inside edge of the bracket can be lifted clear of the retaining screw in the chassis. Lift the bracket out of the chassis.
  • Page 37 If a new hard drive is not to be installed now, screw the four screws into the underside of the bracket and go to step16. Remove the four screws from the underside of the bracket. With the hard drive connectors facing you, slide the new hard drive (1) into the hard drive bracket. The connectors should be visible at the open end of the bracket.
  • Page 38 Insert the four screws (2) through the sides of the hard drive bracket into the 2.5-inch hard drive and tighten to secure the hard drive in the bracket. Hold the hard drive bracket with the open end toward the rear of the thin client. Set the bracket (1) into the chassis and slide the bracket toward the rear to engage the retaining screw.

  • Page 39: Appendix A Computer Setup (F10) Utility, Bios Settings

    Computer Setup (F10) Utility, BIOS Settings Computer Setup (F10) Utilities Use Computer Setup (F10) Utility to do the following: ● Change factory default settings. Set the system date and time. ● ● Set, view, change, or verify the system configuration, including settings for processor, graphics, memory, audio, storage, communications, and input devices.
  • Page 40 Use the arrow (left and right) keys to select the appropriate heading. Use the arrow (up and down) keys to select the option you want, then press enter. To return to the Computer Setup Utilities menu, press esc. To apply and save changes, select File > Save Changes and Exit. ●...

  • Page 41: Computer Setup-File

    Computer Setup—File NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Option Description System Information Lists: ● Product name SKU number ● ● System Board CT Number ● Processor type ● Processor speed ● Processor stepping ●...

  • Page 42: Computer Setup-Storage

    Computer Setup—Storage Option Description Device Configuration Lists all installed BIOS-controlled storage devices. When a device is selected, detailed information and options are displayed. The following options may be presented: Hard Disk: Size, model, firmware version, serial number. Storage Options SATA Emulation CAUTION: SATA emulation changes may prevent access to existing drive data and degrade or corrupt established volumes.

  • Page 43: Computer Setup-Security

    Computer Setup—Security NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table A-1 Computer Setup—Security Option Description Setup Password Allows you to set and enable a setup (administrator) password. NOTE: If the setup password is set, it is required to change Computer Setup options, flash the ROM, and make changes to certain plug and play settings under Windows.
  • Page 44 Clear Secure Boot Keys (Clear/Don’t Clear). Lets you clear the Secure Boot Key. ● Key ownership (HP keys/Customer keys). Lets you change the keys of different owners. Fast Boot (Enable/Disable) – Enable Fast Boot cause system boot by initializing a minimal set of devices which is required to launch active boot option.

  • Page 45: Computer Setup-Power

    Computer Setup—Power NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration. Table A-2 Computer Setup—Power Option Description OS Power Management Idle Power Savings (Extended/Normal) – Extended/Normal. Allows certain operating systems to decrease the processors power consumption when the processor is idle. Default is ‘extended’. ACPI S3 PS2 Mouse Wake Up (enable/disable) –...

  • Page 46: Changing Bios Settings From The Hp Bios Configure Utility (Hpbcu)

    ● ● PCIE Slot Option ROM Download (enable/disable) Changing BIOS Settings from the HP BIOS Configure Utility (HPBCU) Some BIOS settings may be changed locally within the operating system without having to go through the F10 utility. This table identifies the items that can be controlled with this method.
  • Page 47 Disable Enable (Note: The default value may be varied depends on the OS) Setup Browse Mode Enable Disable Password Prompt on F9 & Enable Disable Runtime Power Management Enable Disable Changing BIOS Settings from the HP BIOS Configure Utility (HPBCU)
  • Page 48 BIOS setting Default value Other values Idle Power Savings Extended Normal ACPI S3 PS2 Mouse Wake Up Enable Disable S5 Maximum Power Savings Disable Enable S5 Wake on LAN Disable Enable CPU Fan Check Enable Disable POST Messages Disable Enable Press the ESC key for Startup Displayed Hidden...

  • Page 49: Updating Or Restoring A Bios

    HP Device Manager HP Device Manager can be used to update the BIOS of a thin client. Customers can use a pre-built BIOS add-on or can use the standard BIOS upgrade package along with an HP Device Manager File and Registry template.
  • Page 50 Sometimes there are restrictions on which BIOS versions are allowed to be installed on a platform. If the BIOS that was on the system had restrictions, then only allowable BIOS versions may be used for recovery. Appendix A Computer Setup (F10) Utility, BIOS Settings...

  • Page 51: Appendix B Diagnostics And Troubleshooting

    Diagnostics and troubleshooting LEDs Table B-1 Power and IDE Flash Activity LEDs Status Power LED Off When the unit is plugged into the wall socket and the Power LED is off, the unit is powered off. However, the network can trigger a Wake On LAN event in order to perform management functions. Power LED On Displays during boot sequence and while the unit is on.

  • Page 52: Wake-On Lan

    Wake-on LAN Wake-on LAN (WOL) allows a computer to be turned on or resumed from sleep or hibernation state by a network message. You can enable or disable WOL in Computer Setup using the S5 Maximum Power Savings setting. To enable or disable WOL: Turn on or restart the computer.

  • Page 53: Resetting The Setup And Power-On Passwords

    Resetting the Setup and Power-on passwords You can reset the Setup and Power-on passwords as follows: Turn off the computer and disconnect the power cord from the power outlet. Remove the side access panel and the metal side cover. Remove the password jumper from the system board header labeled PSWD/E49. Replace the metal side cover and the side access panel.

  • Page 54: Interpreting Post Diagnostic Front Panel Leds And Audible Codes

    Interpreting POST diagnostic front panel LEDs and audible codes This section covers the front panel LED codes as well as the audible codes that may occur before or during POST that do not necessarily have an error code or text message associated with them. WARNING! When the computer is plugged into an AC power source, voltage is always applied to the system board.
  • Page 55 Diagnostic front panel LEDs and audible codes (continued) Activity Beeps Possible Cause Recommended Action Replace third-party memory with HP memory. Replace the system board. Red Power LED flashes six times, Pre-video graphics error. For systems with a graphics card: once every second, followed by a Reseat the graphics card.

  • Page 56: Post Numeric Codes And Text Messages

    POST numeric codes and text messages This section covers those POST errors that have numeric codes associated with them. The section also includes some text messages that may be encountered during POST. NOTE: The computer will beep once after a POST text message is displayed on the screen. Table B-4 Numeric Codes and Text Messages Control panel message...
  • Page 57 System test using F2 Diagnostics. Apply hard drive firmware patch if applicable. (Available at http://www.hp.com/support.) Back up contents and replace hard drive. Invalid Electronic Serial Number Electronic serial number is missing. Enter the correct serial number in Computer Setup.

  • Page 58: Troubleshooting

    Troubleshooting Basic troubleshooting If the thin client is experiencing operating problems or will not power on, review the following items. Table B-5 Power-on troubleshooting Issue Procedures The thin client unit is experiencing operating Ensure that the following connectors are securely plugged into the thin client unit: problems.

  • Page 59: Diskless (No-Flash) Unit Troubleshooting

    Diskless (No-Flash) unit troubleshooting This section is only for those units that do not have ATA Flash capability. Because there is no ATA Flash in this model the boot priority sequence is: ● USB device ● When the unit boots, the monitor should display the following information: Table B-6 Diskless unit troubleshooting Item...

  • Page 60: Configuring A Pxe Server

    NOTE: All PXE software is supported by authorized service providers on a warranty or service contract basis. Customers who call the HP Customer Service Center with PXE issues and questions should be referred to their PXE provider for assistance. Additionally, refer to the following: –...

  • Page 61: Appendix C Using Hp Thinupdate To Restore The Image

    ● The Image Capture feature lets you capture an image from an HP thin client and save it to a USB flash drive, which can be used to deploy the image to other thin clients. ●...

  • Page 62: Appendix D Device Management

    The t628 includes a license for HP Device Manager and has a Device Manager agent pre-installed. HP Device Manager is a thin client optimized management tool used to manage the full life cycle of HP thin clients to include Discover, Asset Management, Deployment and Configuration. For more information on HP Device Manager, please visit www.hp.com/go/hpdm.

  • Page 63: Appendix E Adding An Image Restore Tool

    Adding an Image Restore Tool Ensure that the boot order is set to use the Network as the first boot device. Ensure that IBR.exe (Image Restore) and Flash.dd are stored in the same directory on the server. (e.g., c:\program files\altiris\express\deployment server\images) From the Altiris Deployment Server Console, click File >...

  • Page 64: Appendix F Using Hp Pc Hardware Diagnostics (Uefi)

    Using HP PC Hardware Diagnostics (UEFI) HP PC Hardware Diagnostics is a Unified Extensible Firmware Interface (UEFI) that allows you to run diagnostic tests to determine whether the computer hardware is functioning properly. The tool runs outside the operating system so that it can isolate hardware failures from issues that are caused by the operating system or other software components.
  • Page 65 Enter the product name or number. – or – Select Identify now to let HP automatically detect your product. Select your computer, and then select your operating system. In the Diagnostic section, follow the on-screen instructions to select and download the UEFI version you want.

  • Page 66: Appendix G Power Cord Set Requirements

    Power cord set requirements The power supplies on some computers have external power switches. The voltage select switch feature on the computer permits it to operate from any line voltage between 100-120 or 220-240 volts AC. Power supplies on those computers that do not have external power switches are equipped with internal switches that sense the incoming voltage and automatically switch to the proper voltage.

  • Page 67: Country-Specific Requirements

    Country-specific requirements Additional requirements specific to a country are shown in parentheses and explained below. Country Accrediting Agency Country Accrediting Agency Australia (1) EANSW Italy (1) Austria (1) Japan (3) METI Belgium (1) CEBC Norway (1) NEMKO Canada (2) Sweden (1) SEMKO Denmark (1) DEMKO...

  • Page 68: Appendix H Statement Of Volatility

    Follow the instructions to flash the BIOS that are found on the website. Follow the instructions to flash the BIOS that are found on the website. Restart the system, and while system is powering on (after the HP splash screen, if displayed) press the key to enter the BIOS setup screen.
  • Page 69 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.

  • Page 70: Appendix I Specifications

    Specifications For the latest specifications or additional specifications on the thin client, go to http://www.hp.com/go/ quickspecs/ and search for your specific thin client to find the QuickSpecs. Item Value Value Dimensions 52.3 mm 2.1 in. Width 200 mm 7.9 in...

  • Page 71: Index

    29 cable, security 8 access panel 10 hardware specifications 64 cautions battery 11 HP PC Hardware Diagnostics (UEFI) attaching the stand 6 WLAN module 13 using 58 electric shock 4, 9, 13, 15 resetting the Administrator humidity specifications 64...
  • Page 72 stand adjusting 6 attaching 6 installing 6 system memory upgrading 15 temperature specifications 64 tower stand 6 troubleshooting 52 updating a BIOS 43 upgrading system memory 15 Wake-on LAN (WOL) 46 warnings burn 4, 9, 13, 16 electric shock 4, 9, 11, 13 grounding plug 4, 9 NIC receptacles 4, 9 websites, specifications 1...

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