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Dell OptiPlex 3000 Thin Client Service Manual

Dell OptiPlex 3000 Thin Client Service Manual

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OptiPlex 3000 Thin Client
Service Manual
Regulatory Model: D15U
Regulatory Type: D15U003
May 2022
Rev. A01

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Table of Contents
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Summary of Contents for Dell OptiPlex 3000 Thin Client

  • Page 1 OptiPlex 3000 Thin Client Service Manual Regulatory Model: D15U Regulatory Type: D15U003 May 2022 Rev. A01...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2022 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
  • Page 3: Table Of Contents

    After working inside your computer..........................8 BitLocker..................................8 Chapter 2: Removing and installing components................9 Recommended tools................................9 Screw list....................................9 Major components of OptiPlex 3000 Thin Client.......................10 Side cover.....................................11 Removing the side cover.............................11 Installing the side cover.............................. 12 Speaker....................................14 Removing the speaker..............................14 Installing the speaker..............................14...
  • Page 4 Dell SupportAssist Pre-boot System Performance Check diagnostics..............63 Running the SupportAssist Pre-Boot System Performance Check..............63 System-diagnostic lights..............................63 Recovering the operating system..........................65 Real Time Clock—RTC reset............................65 Backup media and recovery options..........................66 WiFi power cycle................................66 Chapter 6: Getting help and contacting Dell................67 Contents...
  • Page 5: Chapter 1: Working Inside Your Computer

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that is shipped with the product or at www.dell.com/regulatory_compliance.
  • Page 6: Safety Precautions

    ESD protection is an increasing concern. Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.
  • Page 7: Esd Field Service Kit

    It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components.
  • Page 8: Transporting Sensitive Components

    Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. Lifting equipment Adhere to the following guidelines when lifting heavy weight equipment: CAUTION: Do not lift greater than 50 pounds.
  • Page 9: Chapter 2: Removing And Installing Components

    Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #0 ● Phillips screwdriver #1 ●...
  • Page 10: Major Components Of Optiplex 3000 Thin Client

    Major components of OptiPlex 3000 Thin Client The following image shows the major components of OptiPlex 3000 Thin Client. 1. Side cover 2. Heat sink 3. Memory module 4. System board 5. Chassis 6. Speaker 7. Optional module 8. WLAN card 9.
  • Page 11: Side Cover

    NOTE: Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options. Side cover Removing the side cover Prerequisites 1.
  • Page 12: Installing The Side Cover

    Steps 1. Loosen the thumbscrew (6-32) that secures the side cover to the chassis. 2. Slide the side cover towards the front of the computer to disengage the tabs on the side cover from the slots on the chassis. 3. Lift the side cover away from the chassis. Installing the side cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 13 Steps 1. Align the tabs on the side cover with the slots on the chassis. Removing and installing components...
  • Page 14: Speaker

    2. Slide the side cover towards the back of the computer to engage the tabs on the side cover with the slots on the chassis. 3. Tighten the thumbscrew (6-32) to secure the side cover to the chassis. Next steps 1.
  • Page 15: Solid-State Drive

    About this task The following image indicates the location of the speaker and provides a visual representation of the installation procedure. Steps 1. Align and insert the speaker into the slot on the chassis. 2. Press the speaker into the slot on the chassis until the release tab clicks. 3.
  • Page 16: Installing The M.2 2230 Solid-State Drive

    Steps 1. Loosen the two captive screws that secure the solid-state drive heat sink to the system board. 2. Lift and remove the solid-state drive heat sink from the system board. 3. Remove the screw (M2x3.5) that secures the M.2 2230 solid-state drive to the system board. 4.
  • Page 17: Memory Modules

    Steps 1. Align the notch on the M.2 2230 solid-state drive with the tab on the M.2 card slot. 2. Slide the M.2 2230 solid-state drive at an angle into the M.2 card slot. 3. Replace the screw (M2x3.5) to secure the M.2 2230 solid-state drive to the system board. 4.
  • Page 18: Installing The Memory Modules

    Steps 1. Pull the securing clips on each end of the memory-module slot until the memory module pops up. 2. Slide and remove the memory module from the memory-module slot. CAUTION: To prevent damage to the memory module, hold the memory module by the edges. Do not touch the components on the memory module.
  • Page 19 1. Verify if the SODIMM thermal pad is bent or out of shape. If yes, then press the thermal pad to secure it properly to the system board. OptiPlex 3000 Thin Client has SODIMM thermal pad 100% attached on system board. SODIMM thermal pad is not reusable. There is no residual upon removal of the SODIMM thermal pad from the system board.
  • Page 20 NOTE: Ensure that the SODIMM thermal pad is attached properly and the thermal pad is not bent or out of shape. 4. Push and remove the adhesive layer on the SODIMM thermal pad. Removing and installing components...
  • Page 21 NOTE: Check if there is any SODIMM pad residual on the thermal pad and clean the residual up. 5. Align the notch on the memory module with the tab on the memory-module slot. 6. Press the memory module down until the memory module snaps into place and the securing clips lock in place. NOTE: The securing clips return to the locked position.
  • Page 22: Wlan Card

    WLAN card Removing the WLAN card Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. About this task The following image indicates the location of the WLAN card and provides a visual representation of the removal procedure. Steps 1.
  • Page 23 About this task The following image indicates the location of the WLAN card and provides a visual representation of the installation procedure. Steps 1. Connect the WLAN antenna cables to the connectors on the WLAN card. The following table provides the antenna-cable color scheme for the WLAN card of your computer. Table 2.
  • Page 24: Optional Modules

    Optional modules Removing the optional Type-C module Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. About this task The following image indicates the location of the optional Type-C module and provides a visual representation of the removal procedure.
  • Page 25: Removing The Optional Hdmi Module

    Steps 1. Insert and push the flat-head screwdriver into the slot on the optional module filler to release the optional module filler from the chassis. NOTE: Step one is only applicable for new installation or component upgrade. For replacing an existing component, follow the procedure from step two.
  • Page 26: Installing The Optional Hdmi Module

    Steps 1. Remove the two screws (M3X3) that secure the optional HDMI module to the chassis. 2. Disconnect the HDMI module cable from the connector on the system board. 3. Lift the HDMI module and the cable off the chassis. Installing the optional HDMI module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 27: Removing The Optional Serial Module

    Steps 1. Insert and push the flat-head screwdriver into the slot on the optional module filler to release the optional module filler from the chassis. NOTE: Step one is only applicable for new installation or component upgrade. For replacing an existing component, follow the procedure from step two.
  • Page 28: Installing The Optional Serial Module

    Steps 1. Remove the two screws that secure the Serial module to the chassis. 2. Disconnect the Serial module cable from the connector on the system board. 3. Lift the Serial module and the cable off the chassis. Installing the optional Serial module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 29: Removing The Optional Ps/2 Keyboard/Mouse Module

    Steps 1. Insert and push the flat-head screwdriver into the slot on the optional module filler to release the optional module filler from the chassis. NOTE: Step one is only applicable for new installation or component upgrade. For replacing an existing component, follow the procedure from step two.
  • Page 30: Installing The Optional Ps/2 Keyboard/Mouse Module

    Steps 1. Remove the two screws (M3X3) that secure the PS/2 keyboard/mouse module to the chassis. 2. Slide and lift the PS/2 keyboard/mouse module off the chassis. 3. Disconnect the three PS/2 keyboard/mouse module cables from the connectors on the system board. 4.
  • Page 31: Coin-Cell Battery

    Coin-cell battery Removing the coin-cell battery Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. NOTE: Removing the coin-cell battery resets the BIOS setup program settings to default. It is recommended that you note the BIOS setup program settings before removing the coin-cell battery.
  • Page 32 Steps 1. Insert the coin-cell battery into the battery socket with the positive side facing up, and snap the battery into place. To install the mylar sheet, follow the below mentioned steps: NOTE: The coin-cell battery has a black mylar for cosmetic purpose only and has no functional impact. During the installation of a new system board, it is recommended to transfer the black mylar from the previous system board to the new system board.
  • Page 33: Heat Sink

    Heat sink Removing the heat sink Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. About this task The following image indicates the location of the heat sink and provides a visual representation of the removal procedure. Steps 1.
  • Page 34: Internal Antenna

    Steps 1. Align the screws on the heat sink with the screw holders on the system board and place the heat sink on the processor. 2. In sequential order (as indicated by the numbers on the heat sink), tighten the four captive screws that secure the heat sink to the system board.
  • Page 35: Installing The Internal Antenna In Location 1

    Steps 1. Unroute the black antenna-cable from the routing guides under the system board and from the cable clip. 2. Remove the screw (M3x3) that secures the antenna to the chassis. 3. Lift and remove the antennas and the cables from the chassis. Installing the internal antenna in Location 1 Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 36: Removing The Internal Antenna In Location 2

    Steps 1. Remove the adhesive tape from the antenna. 2. Align the hole on the antenna with the stand on the chassis. 3. Replace the screw (M3x3) to secure the antenna to the chassis. 4. Using a plastic scribe, route the black antenna-cable under the system board and through the cable clip. Next steps 1.
  • Page 37 Steps 1. Loosen the captive screw that secures the antenna cover to the antenna. 2. Remove the antenna cover from the antenna. 3. Remove the screw (M3x3) that secures the antenna to the chassis. 4. Unroute the antenna-cable from cable clip and the routing guides on the chassis. 5.
  • Page 38: Installing The Internal Antenna In Location 2

    Installing the internal antenna in Location 2 Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of an internal antenna in location 2 and provides a visual representation of the removal procedure.
  • Page 39 Steps 1. Remove the filler on the back of the system. NOTE: Step one is only applicable for new installation. For replacing an existing component, follow the procedure from step two. 2. Loosen the captive screw that secures the antenna cover to the antenna. Removing and installing components...
  • Page 40: Sma Antenna

    3. Insert the antenna cable through the opening at the back of the system. 4. Route the antenna-cable through cable clip and the routing guides on the chassis. 5. Tilt and align the tab on the antenna with the slot on the chassis. 6.
  • Page 41: Installing The Sma Antenna Location 2

    Steps 1. Remove the screw (M3x3) that secures the SMA antenna to the chassis. 2. Unroute the antenna cables from the cable clips and the routing guides on the chassis. 3. Push the SMA antenna inside the chassis. Lift and pull the antenna and the cables to remove it from the chassis. Installing the SMA antenna Location 2 Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
  • Page 42: System Board

    Next steps 1. Install the WLAN card. 2. Install the side cover. 3. Follow the procedure in after working inside your computer. System board Removing the system board Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover.
  • Page 43 The following images indicate the location of the system board and provide a visual representation of the removal procedure. Removing and installing components...
  • Page 44: Installing The System Board

    Steps 1. Remove the screw (M3x5) that secures the speaker holder to the system board. 2. Lift and remove the speaker holder from the system board. 3. Remove the five (M3x5) screws and two (M3x4) screws that secure the system board to the computer chassis. 4.
  • Page 45 1. Speaker cable 2. Coin-cell battery 3. Optional video connector (HDMI/VGA/DP port) 4. Optional I/O cable connector (USB 3.2 Gen 1 Type-C port with DisplayPort Alt mode) 5. Optional PS/2 keyboard/mouse module connector 6. Memory module slots 7. WLAN card connector 8.
  • Page 46 Removing and installing components...
  • Page 47 Steps 1. Align and lower the system board into the system until the connectors at the back of the system board align with the slots on the chassis, and the screw holes on the system board align with the standoffs on the system. 2.
  • Page 48 a. Use the folding lines on the mylar sheet to fold the mylar sheet. b. Insert one end of the mylar sheet under the RTC socket. c. Insert another end of the mylar sheet under another side of the RTC socket. 3.
  • Page 49: Chapter 3: Drivers And Downloads

    Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ 000123347. Drivers and downloads...
  • Page 50: Chapter 4: Bios Setup

    BIOS setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.
  • Page 51: System Setup Options

    Depending on your computer and its installed devices, the items that are listed in this section may or may not appear. Table 4. System setup options—System information menu Overview OptiPlex 3000 Thin Client BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
  • Page 52 Table 4. System setup options—System information menu (continued) Overview DIMM 1 Size Displays the DIMM 1 memory size. DIMM 2 Size Displays the DIMM 2 memory size. Devices Information Video Controller Displays the video controller type of the computer. Video Memory Displays the video memory information of the computer.
  • Page 53 Table 6. System setup options—Integrated Devices menu (continued) Integrated Devices By default, all options are enabled. Rear USB ports Enable or disable the individual rear USB ports. By default, all options are enabled. Table 7. System setup options—Storage menu Storage SATA/NVMe Operation Enable or disable the operating mode of the integrated SATA hard drive controller.
  • Page 54 Table 9. System setup options—Connection menu (continued) Connection Enable UEFI Network Stack Enable or disable UEFI Network Stack and controls the on-board LAN Controller. By default, the option is enabled. HTTPs Boot Feature HTTPs Boot Enable or disable the HTTPs Boot feature. By default, the HTTPs Boot option is enabled.
  • Page 55 Table 11. System setup options—Security menu (continued) Security By default, the option is disabled. SMM Security Mitigation Enable or disable SMM Security Mitigation. By default, the option is disabled. Data Wipe on Next Boot Start Data Wipe Enable or disable the data wipe on next boot. By default, the option is disabled.
  • Page 56 Allow Non-Admin PSID Revert Enable Allow Non-Admin PSID Revert Controls access to the Physical Security ID (PSID) revert of NVMe hard-drives from the Dell Security Manager prompt. By default, the option is disabled. Table 13. System setup options—Update, Recovery menu...
  • Page 57 Table 14. System setup options—System Management menu (continued) System Management OS Agent Requests When enabled, Dell OS Agent(s) will be capable of scheduling onboard diagnostics on a subsequent boot which can help assist in the prevention and resolution of hardware related issues.
  • Page 58: Updating The Bios

    If the recovery key is not known this can result in data loss or an unnecessary operating system re-install. For more information on this subject, search in the Knowledge Base Resource at www.dell.com/support. Steps 1. Go to www.dell.com/support. BIOS setup...
  • Page 59: Updating The Bios In Linux And Ubuntu

    Updating the BIOS in Windows to download the latest BIOS setup program file. 2. Create a bootable USB drive. For more information, search in the Knowledge Base Resource at www.dell.com/support. 3. Copy the BIOS setup program file to the bootable USB drive.
  • Page 60: System And Setup Password

    One-Time boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option.
  • Page 61: Deleting Or Changing An Existing System Setup Password

    About this task To enter the system setup, press F12 immediately after a power-on or reboot. Steps 1. In the System BIOS or System Setup screen, select Security and press Enter. The Security screen is displayed. 2. Select System/Admin Password and create a password in the Enter the new password field. Use the following guidelines to assign the system password: ●...
  • Page 62: Clearing Bios (System Setup) And System Passwords

    Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application.
  • Page 63: Chapter 5: Troubleshooting

    Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to: ●...
  • Page 64 (AC, battery, coin cell) and errors drain flea power by pressing and holding down power button for 3~5 seconds. CPU failure ● Run the Dell Support Assist/Dell Diagnostics tool. ● If problem persists, replace the system board. System board failure (included ●...
  • Page 65: Recovering The Operating System

    It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures.
  • Page 66: Backup Media And Recovery Options

    Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows. Dell proposes multiple options for recovering Windows operating system on your Dell PC. For more information. see...
  • Page 67: Chapter 6: Getting Help And Contacting Dell

    Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 22. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...

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