Dell Precision 3440 Small Form Factor Service Manual
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Dell Precision 3440 Small Form Factor Service Manual

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Precision 3440 Small Form Factor
Service Manual
Regulatory Model: D15S
Regulatory Type: D15S003
May 2020
Rev. A00

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  • Page 1 Precision 3440 Small Form Factor Service Manual Regulatory Model: D15S Regulatory Type: D15S003 May 2020 Rev. A00...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, 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

    Contents 1 Working on your computer......................6 Safety instructions.................................6 Before working inside your computer........................... 6 Safety precautions................................7 Electrostatic discharge—ESD protection........................7 ESD field service kit ................................8 After working inside your computer..........................8 2 Disassembly and reassembly......................10 Recommended tools................................10 Screw List.....................................
  • Page 4 Installing the expansion card............................35 Memory modules................................. 36 Removing the memory modules..........................36 Installing the memory modules.............................37 Heat sink....................................38 Removing the heat-sink..............................38 Installing the heat-sink..............................39 Coin-cell battery.................................. 40 Removing the coin-cell battery............................40 Installing the coin-cell battery............................41 Processor....................................42 Removing the processor...............................42 Installing the processor..............................
  • Page 5 4 Troubleshooting......................... 68 System diagnostic lights..............................68 Diagnostic error messages..............................68 Diagnostic error messages..............................71 System error messages..............................74 WiFi power cycle..................................75 5 Getting help..........................76 Contacting Dell..................................76 Contents...

  • Page 6: Working On 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 7: Safety Precautions

    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 8: 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 9 5. Turn on your computer. Working on your computer...

  • Page 10: Disassembly And Reassembly

    Disassembly and reassembly Recommended tools The procedures in this document require the following tools: • Phillips #0 screwdriver • Phillips #1 screwdriver • Plastic scribe-Recommended for field technician Screw List The following table shows the screw list and the images for different components. Table 1.
  • Page 11 About this task The following images indicate the location of the side cover and provides a visual representation of the removal procedure. Steps 1. Slide down on the release latch until your hear a click. 2. Slide the side cover towards the back of the system. 3.

  • Page 12: Installing The Side Cover

    Installing the side cover Prerequisites About this task The following image indicates the location of the side panels and provides a visual representation of the installation procedure. Disassembly and reassembly...

  • Page 13: Intrusion Switch

    Steps 1. Place the side cover on your computer. 2. Slide the side cover towards the front of the system till you hear the release latch click. Next steps 1. Follow the procedure in after working inside your computer. Intrusion switch Removing the intrusion switch Prerequisites 1.

  • Page 14: Front Bezel

    About this task The following image indicates the location of the intrusion switch and provides a visual representation of the installation procedure. Steps 1. Slide the intrusion switch into the slot on the chassis. 2. Connect the intrusion switch cable to the connector on the system board. . Next steps 1.

  • Page 15: Installing The Front Bezel

    Steps 1. Pry the retention tabs to release the front bezel from the system. 2. Remove the front bezel from the system. Installing the front bezel Prerequisites About this task The following image indicates the location of the front bezel and provides a visual representation of the installation procedure. Disassembly and reassembly...

  • Page 16: Hard-Drive Assembly

    Steps 1. Align the bezel and insert the retention tabs on the bezel into the slots on the system. 2. Press the bezel until the retention tabs click into place. Next steps 1. Install the side cover. 2. Follow the procedure in after working inside your computer.

  • Page 17: Removing The Hard-Disk Drive Bracket

    Steps 1. Disconnect the hard-disk drive data cable and power cable from the connectors on the hard-disk drive. 2. Push the release tab and slightly lift the hard-disk drive assembly. 3. Release the hard-disk drive assembly from the notch and slide the hard-disk drive assembly out. NOTE: Note the orientation of the hard-disk drive so that you can replace it correctly.

  • Page 18: Installing The Hard-Disk Drive Bracket

    Steps 1. Pull one side of the hard-disk drive bracket to disengage the pins on the bracket from the slots on the drive and lift the hard-disk drive. 2. Hard-disk drive bracket for the 2.5 in. hard-disk drive. 3. 2.5 in. hard-disk drive. Installing the hard-disk drive bracket Prerequisites About this task...

  • Page 19: Installing The 2.5 In. Hard-Disk Drive Assembly

    Steps 1. 2.5 in. hard-disk drive. 2. Hard-disk drive bracket for the 2.5 in. hard-disk drive. 3. Align and insert the pins on the drive bracket with the slots on the hard-disk drive. 4. 2.5 in. hard-disk drive assembly. Next steps 1.

  • Page 20: Hard-Drive And Optical-Drive Module

    Steps 1. Insert the hard-disk drive assembly into the slot on the system and slide the hard-disk drive assembly down. 2. Press down the hard-disk drive assembly, until it clicks into place. 3. Connect the power cable and hard-disk drive cable to the connectors on the hard-disk drive. Next steps 1.
  • Page 21 About this task The following images indicate the location of the hard-disk drive and optical-disk drive module and provide a visual representation of the removal procedure. Disassembly and reassembly...
  • Page 22 Disassembly and reassembly...

  • Page 23: Installing The Hard-Disk Drive And Optical-Disk Drive Module

    Steps 1. Remove the hard-disk drive power cable and the SATA cable through the recess in the release latch. 2. Unroute the optical-disk drive cable and the hard-disk drive cable from the retention clip on the hard-disk drive and optical-disk drive module.
  • Page 24 Steps 1. Connect the optical-drive data and power cable to the connectors on the optical-drive and flip the hard-disk drive and optical-disk drive module. 2. Insert the tabs on the hard-disk drive and optical-disk drive module into the slot on the system at an angle. 3.

  • Page 25: Optical Drive

    Optical drive Removing the slim optical-drive Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the Side cover 3. Remove the Front bezel About this task The following images indicate the location of the slim optical-drive and provide a visual representation of the removal procedure. Steps 1.

  • Page 26: Installing The Slim Optical-Drive

    Installing the slim optical-drive Prerequisites About this task The following image indicates the location of the slim optical-drive and provides a visual representation of the installation procedure. Steps 1. Optical drive/ hard drive module. 2. Optical drive unit. 3. Insert the optical drive into the optical drive/ hard drive module. 4.

  • Page 27: Solid-State Drive

    Solid-state drive Removing the M.2 2230 PCIe solid-state drive Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the front bezel. 4. Remove the 2.5 in. hard drive assembly. About this task The following images indicate the location of the solid-state drive and provide a visual representation of the removal procedure.

  • Page 28: Removing The M.2 2280 Pcie Solid-State Drive

    Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive connector. 2. Insert the solid-state drive at a 45-degree angle into the connector on the system board. 3. Replace the screw (M2x3) that secures the M.2 2230 PCIe solid-state drive to the system board. Next steps 1.

  • Page 29: Installing The M.2 2280 Pcie Solid-State Drive

    Steps 1. Remove the screw (M2x3) that secures the solid-state drive to the system board. 2. Slide and lift the solid-state drive off the system board. Installing the M.2 2280 PCIe solid-state drive Prerequisites About this task The following image indicates the location of the solid-state drive and provides a visual representation of the installation procedure. Disassembly and reassembly...

  • Page 30: Wlan Card

    Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive connector. 2. Insert the solid-state drive at a 45-degree angle into the connector on the system board. 3. Replace the screw (M2x3) that secures the M.2 2280 PCIe solid-state drive to the system board. Next steps 1.

  • Page 31: Installing The Wlan Card

    Steps 1. Remove the (M2x3) screw that secures the WLAN bracket and WLAN card to the system board. 2. Slide and lift the WLAN card bracket away from the WLAN card. 3. Disconnect the antenna cables from the WLAN card. 4.
  • Page 32 Steps 1. Connect the antenna cables to the WLAN card. The following table provides the antenna-cable color scheme for the WLAN card of your computer. Table 2. Antenna-cable color scheme Connectors on the wireless card Antenna-cable color Main (white triangle) White Auxiliary (black triangle) Black...

  • Page 33: Sd Card Reader - Optional

    SD card reader - optional Removing the SD card reader Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the Side cover About this task The following images indicate the location of the graphics card and provide a visual representation of the removal procedure. Steps 1.

  • Page 34: Expansion Card

    Steps 1. Align the SD card reader with the screw holes on the system board and replace the two screws (M6X32). 2. Route the power supply cables through the retention clip on the SD card reader. Next steps 1. Install the Side cover 2.

  • Page 35: Installing The Expansion Card

    Steps 1. Pull the metal tab to open the expansion card latch. 2. Pull the release tab at the base of the expansion card. 3. Lift the expansion card away from the connector on the system board. Installing the expansion card Prerequisites About this task The following image indicates the location of the expansion card and provides a visual representation of the installation procedure.

  • Page 36: Memory Modules

    Steps 1. Align the notch on the expansion card with the connector on the system board. 2. Place the card in the connector and press down firmly. Ensure that the card is firmly seated. 3. Close the expansion card latch and press it until it clicks into place. Next steps 1.

  • Page 37: Installing The Memory Modules

    4. Remove the 2.5 in. hard drive assembly. CAUTION: To prevent damage to the memory module, hold the memory module by the edges. Do not touch the components on the memory module About this task The following images indicate the location of the memory modules and provide a visual representation of the removal procedure. Steps 1.

  • Page 38: Heat Sink

    Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it.

  • Page 39: Installing The Heat-Sink

    Steps 1. Disconnect the fan cable from the connector on the system board. 2. Loosen the four captive screws that secure the heat sink to the system. NOTE: Loosen the screws in a sequential order (1,2,3,4) as mentioned on the system board. 3.

  • Page 40: Coin-Cell Battery

    Steps 1. Place the heat sink on the processor. 2. Tighten the four captive screws that secure the heat-sink to the system board, as per the callout on the system board. NOTE: Tighten the screws in a sequential order (1,2,3,4) as mentioned on the system board. 3.

  • Page 41: Installing The Coin-Cell Battery

    Steps 1. Using a plastic scribe, gently pry the coin-cell battery out of the battery socket. 2. Remove the coin-cell battery out of the system. Installing the coin-cell battery Prerequisites About this task The following image indicates the location of the coin-cell battery and provides a visual representation of the installation procedure. Disassembly and reassembly...

  • Page 42: Processor

    Steps 1. Insert the coin cell battery with the "+" sign facing up and slide it into the battery socket at an angle. 2. Press the battery into the connector until it clicks into place. Next steps 1. Install the front bezel.

  • Page 43: Installing The Processor

    Steps 1. Press down and push the release lever away from the processor to release it from the securing tab. 2. Lift the lever upward to lift the processor cover. CAUTION: When removing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket.
  • Page 44 Steps 1. Align the pin-1 corner of the processor with the pin 1 corner of the processor socket, and then place the processor in the processor socket. NOTE: The pin-1 corner of the processor has a triangle that aligns with the triangle on the pin-1 corner on the processor socket.

  • Page 45: Power Switch

    Power switch Removing the power switch Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the front bezel. 4. Remove the Hard drive and optical drive module About this task The following images indicate the location of the heat-sink and provide a visual representation of the removal procedure. Steps 1.
  • Page 46 Disassembly and reassembly...

  • Page 47: Installing The Power-Supply Unit

    Steps 1. Remove the SATA cables from the retention clip on the support bracket. 2. Remove the two screws (M6x32) and slide the support bracket out from the slot. 3. Remove the power-supply cable from the retention clip on the chassis. 4.
  • Page 48 Disassembly and reassembly...
  • Page 49 Disassembly and reassembly...

  • Page 50: System Fan

    Steps 1. Align and place the power-supply unit into the slot on the chassis. 2. Slide the power-supply unit into the slot until it clicks in place. 3. Replace the three screws (M6x32) to secure the power-supply unit to the chassis. 4.

  • Page 51: System Board

    System board Removing the system board Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the front bezel. 4. Remove the hard drive assembly. 5. Remove the solid-state drive. 6. Remove the WLAN card.
  • Page 52 Disassembly and reassembly...

  • Page 53: Installing The System Board

    Steps 1. Remove the screw (6-32) that secures the I/O panel to the system chassis. 2. Lift the I/O panel away from the system chassis. 3. Disconnect the intrusion switch cable from the connector on the system board. 4. Disconnect the system board power supply cables. 5.
  • Page 54 Disassembly and reassembly...
  • Page 55 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 56 5. Install the solid-state drive. 6. Install the hard drive assembly. 7. Install the front bezel. 8. Install the side cover. 9. Follow the procedure in after working inside your computer. Disassembly and reassembly...

  • Page 57: System Setup

    If you wait too long and the operating system logo appears, wait until you see the desktop. Then, shut down or restart your computer and try again. NOTE: After the Dell logo appears, you can also press F12 and then select BIOS setup. Navigation Keys The following table displays the system setup navigation keys.

  • Page 58: General Screen Options

    Table 3. Navigation Keys Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. <Enter> Allows you to select a value in the selected field (if applicable) or follow the link in the field. Spacebar Expands or collapses a drop‐down list, if applicable.
  • Page 59 Option Description SATA Operation Allows you to configure the internal SATA hard-drive controller. The options are: • Disabled • AHCI • RAID On(default) Drives Allows you to configure the SATA drives on board. All drives are enabled by default. The options are: •...

  • Page 60: Security Screen Options

    Security screen options Option Description Admin Password Allows you to set, change, or delete the administrator (admin) password. NOTE: You must set the admin password before you set the system or hard drive password. Deleting the admin password automatically deletes the system password and the hard drive password.

  • Page 61: Video Screen Options

    Option Description NOTE: The Activate and Disable options will permanently activate or disable the feature and no further changes are allowed Default setting: Deactivate Master Password The option Enable Master Password Lockout is not selected by default. Lockout SMM Security Allows you to enable or disable the additional UEFI SMM Security Mitigation protections.

  • Page 62: Intel Software Guard Extensions Screen Options

    Intel Software Guard Extensions screen options Option Description Intel SGX Enable This field specifies you to provide a secured environment for running code/storing sensitive information in the context of the main OS. The options are: • Disabled • Enabled • Software Controlled (default) Enclave Memory This option sets SGX Enclave Reserve Memory Size.

  • Page 63: Post Behavior Screen Options

    Option Description • Weekdays • Select Days Default setting: Disabled Deep Sleep Allows you to aggressive the system is at conserving power while Shut down (S5) or in Hybernate (S4) mode. Control • Disabled • Enabled in S5 only • Enabled in S4 and S5 (default) USB Wake Allows you to enable USB devices to wake the system from Standby.

  • Page 64: Virtualization Support Screen Options

    Virtualization support screen options Option Description Virtualization Allows you to enable or disable the Intel Virtualization Technology. Enable Intel Virtualization Technology (default). VT for Direct I/O Enables or disables the Virtual Machine Monitor (VMM) from utilizing the additional hardware capabilities provided by Intel®...

  • Page 65: Supportassist System Resolution

    USB Flash Drive. NOTE: You will need to use a bootable USB flash drive. Please refer to the following article for further details How to Create a Bootable USB Flash Drive using Dell Diagnostic Deployment Package (DDDP) System setup...

  • Page 66: System And Setup Password

    3. Insert the USB flash drive into the system that requires the BIOS update. 4. Restart the system and press F12 when the Dell splash logo appears to display the One Time Boot Menu. 5. Using arrow keys, select USB Storage Device and click Enter.

  • Page 67: Deleting Or Changing An Existing System Setup Password

    About this task To enter the system setup, press F2 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 68: Troubleshooting

    BAD COMMAND OR FILE NAME Ensure that you have spelled the command correctly, put spaces in the proper place, and used the correct path name. CACHE DISABLED DUE TO FAILURE The primary cache internal to the microprocessor has failed. Contact Dell Troubleshooting...
  • Page 69 One or more memory modules may be faulty or improperly seated. Reinstall the memory modules or, if necessary, replace them. DISK C: FAILED INITIALIZATION The hard drive failed initialization. Run the hard drive tests in Dell Diagnostics. DRIVE NOT READY The operation requires a hard drive in the bay before it can continue.
  • Page 70 KEYBOARD STUCK KEY FAILURE For external keyboards or keypads, check the cable connection. Restart the computer, and avoid touching the keyboard or keys during the boot routine. Run the Stuck Key test in Dell Diagnostics. LICENSED CONTENT IS NOT ACCESSIBLE IN...

  • Page 71: Diagnostic Error Messages

    One or more memory modules may be faulty or improperly seated. Reinstall the memory modules or, if necessary, replace them. DISK C: FAILED INITIALIZATION The hard drive failed initialization. Run the hard drive tests in Dell Diagnostics. DRIVE NOT READY The operation requires a hard drive in the bay before it can continue.
  • Page 72 Shut down the computer, remove the hard drive, and boot the computer from an optical drive. Then, shut down the computer, reinstall the hard drive, and restart the computer. If the problem persists, try another drive. Run the Hard Disk Drive tests in Dell Diagnostics. HARD-DISK DRIVE FAILURE The hard drive does not respond to commands from the computer.
  • Page 73 KEYBOARD STUCK KEY FAILURE For external keyboards or keypads, check the cable connection. Restart the computer, and avoid touching the keyboard or keys during the boot routine. Run the Stuck Key test in Dell Diagnostics. LICENSED CONTENT IS NOT ACCESSIBLE IN...

  • Page 74: System Error Messages

    The keyboard controller may be malfunctioning, or a memory module may be loose. Run the System Memory tests and the Keyboard Controller test in Dell Diagnostics or Contact Dell. X:\ IS NOT ACCESSIBLE. THE DEVICE IS NOT READY Insert a disk into the drive and try again.

  • Page 75: Wifi Power Cycle

    WiFi power cycle About this task If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be performed. The following procedure provides the instructions on how to conduct a WiFi power cycle: NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device.

  • Page 76: Getting Help

    About this task Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: Steps 1.

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