Precision 3440 Small Form Factor Service Manual Regulatory Model: D15S Regulatory Type: D15S003 May 2020 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: 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.
Contents 1 Working on your computer............................................................................................................ 6 Safety instructions.................................................................................................................................................................6 Before working inside your computer........................................................................................................................... 6 Safety precautions.....
Installing the expansion card........................................................................................................................................ 35 Memory modules................................................................................................................................................................. 36 Removing the memory modules..................................................................................................................................
4 Troubleshooting......................................................................................................................... 68 System diagnostic lights.....................................................................................................................................................68 Diagnostic error messages.................................................................................................................................................
1 Working on your computer Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your computer. NOTE: Before working inside your computer, read the safety information that is shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. 5. Remove any media card and optical disc from your computer, if applicable. Safety precautions The safety precautions chapter details the primary steps to be taken before performing any disassembly instructions.
ESD field service kit The unmonitored Field Service kit is the most commonly used service kit. Each Field Service kit includes three main components: antistatic mat, wrist strap, and bonding wire. Components of an ESD field service kit The components of an ESD field service kit are: • • • • • • • Anti-Static Mat – The anti-static mat is dissipative and parts can be placed on it during service procedures.
5. Turn on your computer.
2 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. Screw list Component Screw type Quantity M.
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. Lift the side cover from the system.
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.
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. 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 intrusion switch and provide a visual representation of the removal procedure.
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. Install the Side cover 2. Follow the procedure in After working inside your computer. Front bezel Removing the front bezel Prerequisites 1. Follow the procedure in before working inside your computer.
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.
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. Hard-drive assembly Removing the 2.5 in. hard-disk drive assembly Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the front bezel.
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. Removing the hard-disk drive bracket Prerequisites 1. 2. 3. 4. Follow the procedure in before working inside your computer.
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 The following image indicates the location of the hard-disk drive bracket and provides a visual representation of the installation procedure.
Steps 1. 2. 3. 4. 2.5 in. hard-disk drive. Hard-disk drive bracket for the 2.5 in. hard-disk drive. Align and insert the pins on the drive bracket with the slots on the hard-disk drive. 2.5 in. hard-disk drive assembly. Next steps 1. 2. 3. 4. Install the 2.5 in. hard-disk drive assembly. Install the front bezel. Install the side cover. Follow the procedure in after working inside your computer. Installing the 2.5 in.
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. Install the front bezel. 2. Install the side cover. 3. Follow the procedure in after working inside your computer.
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
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. 3. Slide the release latch to unlock the hard-disk drive and optical-disk drive module. 4. Holding the release latch lift the hard-disk drive and optical-disk drive module. 5.
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. Lower the hard-disk drive and optical-disk drive module into the slot. 4. Slide the release latch to lock the hard-disk drive and optical-disk drive module. 5.
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. 2. 3. 4. Press the release tab on the optical-drive/ hard-drive module. Slide the optical-drive out of the optical-drive/ hard-drive module. Optical-drive unit.
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. 2. 3. 4. Optical drive/ hard drive module. Optical drive unit. Insert the optical drive into the optical drive/ hard drive module. Press the Optical drive unit until it clicks in place. Next steps 1. Install the Side cover 2. Install the Front bezel 3.
Solid-state drive Removing the M.2 2230 PCIe solid-state drive Prerequisites 1. 2. 3. 4. Follow the procedure in before working inside your computer. Remove the side cover. Remove the front bezel. 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. Steps 1. Remove the screw (M2x3) that secures the solid-state drive to the system board. 2.
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. 2. 3. 4. Install the 2.5 in. hard drive assembly. Install the front bezel. Install the side cover. Follow the procedure in after working inside your computer. Removing the M.
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.
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. 2. 3. 4. Install the 2.5 in. hard drive assembly. Install the front bezel. Install the side cover. Follow the procedure in after working inside your computer.
Steps 1. 2. 3. 4. Remove the (M2x3) screw that secures the WLAN bracket and WLAN card to the system board. Slide and lift the WLAN card bracket away from the WLAN card. Disconnect the antenna cables from the WLAN card. Slide and remove the WLAN card from the connector on the system board. Installing the WLAN card Prerequisites About this task The following image indicates the location of the wireless card and provides a visual representation of the installation procedure.
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 2. Place the WLAN card bracket to secure the antenna cables. 3. Align the notch on the WLAN card with the tab on the WLAN-card slot and insert it into the connector on the system board. 4.
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. Unroute the power supply cables from the retention clip on the SD card reader. 2. Remove the two screws (M6X32) and lift the SD card reader from the chassis.
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. Follow the procedure in After working inside your computer. Expansion card Removing the expansion card Prerequisites 1. Follow the procedure in Before working inside your computer. 2.
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.
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. Install the Side cover 2. Follow the procedure in After working inside your computer. Memory modules Removing the memory modules Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3.
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. Pull the securing clips from the memory module until the memory module pops up. 2. Remove the memory module from the memory-module slot.
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. Next steps 1. 2. 3. 4. Install the 2.5 in. hard drive assembly. Install the front bezel. Install the side cover. Follow the procedure in after working inside your computer. Heat sink Removing the heat-sink Prerequisites 1.
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. Lift the heat-sink from the system board. Installing the heat-sink Prerequisites About this task The following image indicates the location of the VR heat sink and provides a visual representation of the installation procedure.
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. Connect the heat sink fan cable to the system board. Next steps 1. Install the front bezel. 2. Install the side cover. 3. Follow the procedure in after working inside your computer. Coin-cell battery Removing the coin-cell battery Prerequisites 1.
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.
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. 2. Install the side cover. 3. Follow the procedure in after working inside your computer. Processor Removing the processor Prerequisites 1. 2. 3. 4. Follow the procedure in before working inside your computer. Remove the side cover. Remove the front bezel. Remove the heat-sink.
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. 3. Gently lift the processor from the processor socket.
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. When the processor is properly seated, all four corners are aligned at the same height. If one or more corners of the processor are higher than the others, the processor is not seated properly. 2.
Power switch Removing the power switch Prerequisites 1. 2. 3. 4. Follow the procedure in before working inside your computer. Remove the side cover. Remove the front bezel. 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. Disconnect the power switch cable from the system board. 2.
Disassembly and reassembly
Steps 1. 2. 3. 4. 5. 6. Remove the SATA cables from the retention clip on the support bracket. Remove the two screws (M6x32) and slide the support bracket out from the slot. Remove the power-supply cable from the retention clip on the chassis. Remove the three screws (M6x32) that secure the power-supply unit to the back of the chassis. Press the power-supply unit release latch and slide the unit into the chassis. Remove the power-supply unit out of the chassis.
Disassembly and reassembly
Disassembly and reassembly 49
Steps 1. 2. 3. 4. 5. 6. Align and place the power-supply unit into the slot on the chassis. Slide the power-supply unit into the slot until it clicks in place. Replace the three screws (M6x32) to secure the power-supply unit to the chassis. Insert the power-supply cables through retention clips and connect it to the connectors on the system board. Place the support bracket into the slot and secure it with the two screws (M6x32). Insert the SATA cables through the retention clip on the support bracket.
System board Removing the system board Prerequisites 1. 2. 3. 4. 5. 6. 7. 8. 9. Follow the procedure in before working inside your computer. Remove the side cover. Remove the front bezel. Remove the hard drive assembly. Remove the solid-state drive. Remove the WLAN card. Remove the heat-sink. Remove the memory modules. Remove the processor. About this task The following images indicate the location of the system board and provide a visual representation of the removal procedure.
Disassembly and reassembly
Steps 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Remove the screw (6-32) that secures the I/O panel to the system chassis. Lift the I/O panel away from the system chassis. Disconnect the intrusion switch cable from the connector on the system board. Disconnect the system board power supply cables. Disconnect the power button switch cable from the connector on the system board. Disconnect the system fan cable to the connector on the system board.
Disassembly and reassembly
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. Replace the four screws (6-32) and the single standoff screw (M2x4) screw to secure the system board to the chassis. 3. Align and lower the I/O panel into the slot on the system chassis. 4. Replace the screws (6-32) to secure the I/O panel to the system chassis. 5.
5. 6. 7. 8. 9. 56 Install the solid-state drive. Install the hard drive assembly. Install the front bezel. Install the side cover. Follow the procedure in after working inside your computer.
3 System setup System setup enables you to manage your desktop hardware and specify BIOS level options.
Table 3. Navigation Keys Keys Navigation Up arrow Moves to the previous field. Down arrow Moves to the next field. 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. Moves to the next focus area. NOTE: For the standard graphics browser only. Moves to the previous page till you view the main screen.
Option Description SATA Operation Allows you to configure the internal SATA hard-drive controller. The options are: • • • Drives Disabled AHCI RAID On(default) Allows you to configure the SATA drives on board. All drives are enabled by default. The options are: • • • • • SATA-0 SATA-1 SATA-2 SATA-3 M.2 PCIe SSD-2 SMART Reporting This field controls whether hard drive errors for integrated drives are reported during system startup.
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. NOTE: Successful password changes take effect immediately. Default setting: Not set System Password Allows you to set, change, or delete the system password.
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 Lockout The option Enable Master Password Lockout is not selected by default. SMM Security Mitigation Allows you to enable or disable the additional UEFI SMM Security Mitigation protections. Default Setting: SMM Security Mitigation is not selected.
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: • • • Enclave Memory Size Disabled Enabled Software Controlled (default) This option sets SGX Enclave Reserve Memory Size.
Option Description • • Weekdays Select Days Default setting: Disabled Deep Sleep Control Allows you to aggressive the system is at conserving power while Shut down (S5) or in Hybernate (S4) mode. USB Wake Support Allows you to enable USB devices to wake the system from Standby. • • • • Disabled Enabled in S5 only Enabled in S4 and S5 (default) Enable USB Wake Support Default setting: The option is enabled..
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® Virtualization technology for direct I/O. Enable VT for Direct I/O - enabled by default.
SupportAssist System Resolution Option Description Auto OS Recovery Allows you to control the automatic boot flow for SupportAssist System. Options are: Threshold • Off • 1 • 2 (Enabled by default) • 3 SupportAssist OS Recovery Allows you to recover the SupportAssist OS Recovery (Disabled by default) Updating the BIOS in Windows Prerequisites It is recommended to update your BIOS (System Setup) when you replace the system board or if an update is available.
Steps 1. 2. 3. 4. 5. 6. 7. 8. Download the BIOS update .EXE file to another system. Copy the file e.g. O9010A12.EXE onto the bootable USB flash drive. Insert the USB flash drive into the system that requires the BIOS update. Restart the system and press F12 when the Dell splash logo appears to display the One Time Boot Menu. Using arrow keys, select USB Storage Device and click Enter. The system will boot to a Diag C:\> prompt. Run the file by typing the full filename, for example, O9010A12.
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: • • • • A password can have up to 32 characters. The password can contain the numbers 0 through 9.
4 Troubleshooting System diagnostic lights Power-supply diagnostics light Indicates the power-supply state. Hard-drive activity light Turns on when the computer reads from or writes to the hard drive. Table 5.
Table 6. Diagnostic error messages(continued) Error messages Description CD DRIVE CONTROLLER FAILURE The optical drive does not respond to commands from the computer. DATA ERROR The hard drive cannot read the data. DECREASING AVAILABLE MEMORY 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.
Table 6. Diagnostic error messages(continued) Error messages Description INVALID CONFIGURATION INFORMATION-PLEASE RUN SYSTEM SETUP PROGRAM The system configuration information does not match the hardware configuration. The message is most likely to occur after a memory module is installed. Correct the appropriate options in the system setup program. KEYBOARD CLOCK LINE FAILURE For external keyboards, check the cable connection. Run the Keyboard Controller test in Dell Diagnostics.
Table 6. Diagnostic error messages(continued) Error messages Description SEEK ERROR The operating system cannot find a specific track on the hard drive. SHUTDOWN FAILURE A chip on the system board may be malfunctioning. Run the System Set tests in Dell Diagnostics. If the message reappears, Contact Dell. TIME-OF-DAY CLOCK LOST POWER System configuration settings are corrupted. Connect your computer to an electrical outlet to charge the battery.
Table 7. Diagnostic error messages(continued) Error messages Description EXTENDED MEMORY SIZE HAS CHANGED The amount of memory recorded in non-volatile memory (NVRAM) does not match the memory module installed in the computer. Restart the computer. If the error appears again, Contact Dell THE FILE BEING COPIED IS TOO LARGE FOR THE DESTINATION DRIVE The file that you are trying to copy is too large to fit on the disk, or the disk is full.
Table 7. Diagnostic error messages(continued) Error messages Description 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 MEDIADIRECT Dell MediaDirect cannot verify the Digital Rights Management (DRM) restrictions on the file, so the file cannot be played.
Table 7. Diagnostic error messages(continued) Error messages Description electrical outlet to charge the battery. If the problem persists, Contact Dell. TIME-OF-DAY NOT SET-PLEASE RUN THE SYSTEM SETUP PROGRAM The time or date stored in the system setup program does not match the system clock. Correct the settings for the Date and Time options. TIMER CHIP COUNTER 2 FAILED A chip on the system board may be malfunctioning. Run the System Set tests in Dell Diagnostics.
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. Steps 1. 2. 3. 4. 5. 6. 7. Turn off your computer. Turn off the modem. Turn off the wireless router. Wait for 30 seconds. Turn on the wireless router. Turn on the modem.
5 Getting help Topics: • Contacting Dell Contacting Dell Prerequisites NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. 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. 2. 3.
