Dell Precision Tower 3420 Owner's Manual
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Dell Precision Tower 3420 Owner's Manual

Dell Precision Tower 3420 Owner's Manual

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Dell Precision Tower 3420
Owner's Manual
Regulatory Model: D11S
Regulatory Type: D11S001

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Summary of Contents for Dell Precision Tower 3420

  • Page 1 Dell Precision Tower 3420 Owner's Manual Regulatory Model: D11S Regulatory Type: D11S001...
  • Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the Dell logo are trademarks of Dell Inc.

  • Page 3: Table Of Contents

    Contents 1 Working on your computer.................5 ..........................5 Safety instructions ....................6 Before working inside your computer ........................6 Turning off your computer ..................... 7 After working inside your computer 2 Removing and installing components.............. 8 ..........................8 Recommended tools ..........................8 Removing the cover ..........................
  • Page 4 Deleting or changing an existing system and/or setup password ......................39 Disabling a system password 4 Diagnostics......................41 ............41 Enhanced Pre-Boot System Assessment (ePSA) diagnostics ......................42 Troubleshooting your computer ......................... 42 Power LED diagnostics ............................43 Beep code ..........................43 Error messages 5 Specifications...................... 47 6 Contacting Dell....................53...

  • Page 5: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 6: Before Working Inside Your Computer

    Before working inside your computer To avoid damaging your computer, perform the following steps before you begin working inside the computer. Ensure that you follow the Safety instructions. Ensure that your work surface is flat and clean to prevent the computer cover from being scratched. Turn off your computer, see Turning off your computer.

  • Page 7: After Working Inside Your Computer

    Connect any telephone or network cables to your computer. Connect your computer and all attached devices to their electrical outlets. Turn on your computer. If required, verify that the computer works correctly by running Dell Diagnostics.

  • Page 8: Removing And Installing Components

    Removing and installing components This section provides detailed information on how to remove or install the components from your computer. Recommended tools The procedures in this document require the following tools: • Small flat blade screwdriver • Phillips screwdriver • Small plastic scribe Removing the cover Follow the procedure in...

  • Page 9: Installing The Cover

    Installing the cover Align the cover with the tabs on the chassis . Slide the cover until it clicks into place. Follow the procedure in After Working Inside Your Computer. Removing the front bezel Follow the procedure in Before Working Inside Your Computer.

  • Page 10: Installing The Hard Drive Assembly

    c. Lift the hard drive assembly away from the computer [2]. To remove the hard drive bracket: a. Pull one side of the hard drive bracket to disengage the pins on the bracket from the slots on the hard drive [1]. b.

  • Page 11: Removing The Optical Drive

    Removing the optical drive Follow the procedure in Before Working Inside Your Computer. Remove the: cover front bezel To release the optical drive : a. Remove the hard drive connector cables from the optical drive latch [1]. b. Slide the blue latch to the unlock position [2]. To remove the optical drive: a.

  • Page 12: Installing The Optical Drive

    To remove the optical drive from the optical drive cage: a. Press the optical drive release latch [1] and slide the optical drive forward [2]. b. Remove the optical drive from the optical drive cage [3]. Installing the optical drive Slide the optical drive into the optical drive cage.

  • Page 13: Removing The Intrusion Switch

    cover Follow the procedure in After Working Inside Your Computer. Removing the intrusion switch Follow the procedure in Before Working Inside Your Computer. Remove the: cover heat sink fan cover To remove the intrusion switch: a. Disconnect the intrusion switch cable from the connector on the system board [1, 2]. b.

  • Page 14: Installing The Memory Module

    Installing the memory module Align the notch on the memory module with the tab on the memory module connector. Insert the memory module into the memory module socket. Press the memory module until the memory module retention tabs click into place. Install the: optical drive hard drive...
  • Page 15 Place the rubber on the computer [1] and peel the adhesive tape (pink) from the rubber [2]. To install the SSD card: a. Connect the SSD card to the connector on the system board [1]. b. Tighten the screw to secure the SSD card to the system board [2].

  • Page 16: Removing The Optional Pcie Ssd Card

    Removing the optional PCIe SSD card Follow the procedure in After Working Inside Your Computer. Install the: cover hard drive optical drive Remove the screw that secures the PCIe SSD card to the system board. Disconnect the PCIe SSD card from the connector on the system board. Remove the rubber from the system board.

  • Page 17: Installing The Expansion Card

    Installing the expansion card Insert the expansion card into the connector on the system board. Press the expansion card until it clicks into place. Close the expansion card latch and press it until it clicks into place. Install the cover. Follow the procedure in After Working Inside Your Computer.

  • Page 18: Installing The Power Supply Unit (Psu)

    To remove the PSU: a. Remove the screws at the back of the computer that secure the PSU to the computer [1]. b. Press the blue release tab [2] and lift the PSU away from the computer [3]. Installing the power supply unit (PSU) Slide the PSU toward the back of the computer until it clicks into place.

  • Page 19: Removing The Power Button

    optical drive hard drive front bezel cover Follow the procedure in After Working Inside Your Computer. Removing the power button Follow the procedure in Before Working Inside Your Computer. Remove the: cover front bezel hard drive optical drive To remove the power button: a.

  • Page 20: Removing The Input/Output (I/O) Panel

    Removing the Input/Output (I/O) panel Follow the procedure in Before Working Inside Your Computer. Remove the: cover front bezel To remove the I/O panel: a. Remove the screw that secures the I/O panel to the chassis [1]. b. Slide the I/O panel to the right and remove it from the computer [2]. Installing the Input/Output (I/O) panel Insert the I/O panel on the chassis and slide it until it clicks into place.

  • Page 21: Installing The System Fan

    Installing the system fan Place the system fan in the computer. Pass the grommets through the chassis and slide outward along the groove to secure it in place. Connect the system fan cable to the system board. Install the: optical drive hard drive front bezel cover...

  • Page 22: Installing The Heat Sink Fan Cover

    Installing the heat sink fan cover Align the slots on the fan duct, with the screws on the heat sink. Insert the fan duct until it clicks into place. Install the cover. Follow the procedure in After Working Inside Your Computer.

  • Page 23: Installing The Heat Sink Assembly

    Installing the heat sink assembly Place the heat sink assembly onto the processor. Tighten the captive screws to secure the heat sink assembly to the system board. Connect the heat sink cable to the system board. Install the: heat sink fan cover optical drive hard drive front bezel...

  • Page 24: Installing The Processor

    Installing the processor Align the processor with the socket keys. Align the pin-1 indicator of the processor with the triangle on the socket. Place the processor on the socket such that the slots on the processor align with the socket keys. Close the processor shield by sliding it under the retention screw.

  • Page 25: Installing The System Board

    To remove the system board: a. Remove the screws that secure the system board to the computer [1]. b. Slide the system board toward the front of the computer and lift it from the computer [2]. Installing the system board Hold the system board by its edges and angle it toward the back of the computer.

  • Page 26: System Board Components

    Install the: PCIe SSD memory moudle system fan heat sink heat sink fan cover optical drive hard drive front bezel cover Follow the procedure in After Working Inside Your Computer. System board components Figure 1. Components of the system board PCI Express x16 Gen 3 slot PCI Express x4 slot USB 2.0 with network connector...
  • Page 27 intrusion switch connector VGA connector CPU socket CPU fan connector memory slot SATA or PCIe SSD Slot front power-switch connector debug connector SD Card Reader (optional) front panel power LED indicator system fan connector audio connector USB 2.0 connector USB 3.0 connector 8-pin power connector SATA 0 connector (Blue color) SATA 2 connector(Black color)

  • Page 28: System Setup

    Boot Sequence allows you to bypass the System Setup‐defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can: •...

  • Page 29: Navigation Keys

    Navigation keys The following table displays the system setup navigation keys. NOTE: For most of the System Setup options, changes that you make are recorded but do not take effect until you restart the system. Table 2. Navigation keys Keys Navigation Up arrow Moves to the previous field.
  • Page 30 Option Description • UEFI Advanced Boot Options Allows you to Enable Legacy Option ROMs • Enable Legacy Option ROMs (Default: not enabled) Date/Time Allows you to set the date and time. The changes to the system date and time takes effect immediately. Table 4.
  • Page 31 Option Description USB Configuration Allows you to enable or disable the internal USB configuration. The options are: • Enable Boot Support • Enable Front USB Ports • Enable rear USB Ports Front USB Configuration Allows you to enable or disable the Front USB configuration. The options are: •...
  • Page 32 Option Description • Auto (Default) • Intel HD Graphics Table 6. Security Option Description Strong Password Allows you to enforce the option to always set strong passwords. Default Setting: Enable Strong Password is not selected. Password Configuration Allows you to define the length of the Admin password. Min = 4 , Max = 32 Password Bypass Allows you to enable or disable the permission to bypass the System password, when it is set.
  • Page 33 Option Description Admin Setup Lockout Allows you to prevent users from entering Setup when an administrator password is set. • Enable Admin Setup Lockout Default Setting: The option is disabled. Table 7. Secure Boot Option Description Secure Boot Enable Allows you to enable or disable the Secure Boot Feature. The options are: •...
  • Page 34 Option Description NOTE: • The options displayed could be different depending on the installed processor. • The options depend on the number of cores supported by the installed processor (All, 1, 2, N-1 for N-Core Processors) Intel SpeedStep Allows you to enable or disable the Intel SpeedStep feature. Default Setting: Enable Intel SpeedStep C-States Control Allows you to enable or disable the additional processor sleep states.
  • Page 35 Option Description Wake on LAN/WLAN This option allows the computer to power up from the off state when triggered by a special LAN signal. Wake-up from the Standby state is unaffected by this setting and must be enabled in the operating system. This feature only works when the computer is connected to AC power supply.
  • Page 36 Table 13. Maintenance Option Description Service Tag Displays the service tag of your computer. Asset Tag Allows you to create a system asset tag if an asset tag is not already set. This option is not set by default. SERR Messages Allows you to control the SERR message mechanism.

  • Page 37: Updating The Bios

    For laptops, ensure that your computer battery is fully charged and connected to a power outlet Restart the computer. Go to Dell.com/support. Enter the Service Tag or Express Service Code and click Submit. NOTE: To locate the Service Tag, click Where is my Service Tag? NOTE: If you cannot find your Service Tag, click Detect My Product.

  • Page 38: Jumper Settings

    Jumper settings To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated on the system board. Table 17. Jumper settings Jumper Setting Description Short: Default PSWD Default Open: Clear Password RTCRST Default Open: Default...

  • Page 39: Deleting Or Changing An Existing System And/Or Setup Password

    The System Security screen appears. In the System Security screen, verify that Password Status is Unlocked. Select System Password , enter your system password, and press Enter or Tab. Use the following guidelines to assign the system password: • A password can have up to 32 characters. •...
  • Page 40 NOTE: The existing passwords are not disabled (erased) until the computer boots without the jumper. Install the cover. NOTE: If you assign a new system and/or setup password with the PSWD jumper installed, the system disables the new password(s) the next time it boots. Connect the computer to the electrical outlet and power-on the computer.

  • Page 41: Diagnostics

    Diagnostics If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.

  • Page 42: Troubleshooting Your Computer

    Troubleshooting your computer You can troubleshoot your computer using indicators like diagnostic lights, beep codes, and error messages during the operation of the computer. Power LED diagnostics The power button LED located on the front of the chassis also functions as a bicolored diagnostic LED. The diagnostic LED is only active and visible during the POST process.

  • Page 43: Beep Code

    The BIOS found a faulty disk sector or could not find a particular disk sector. found Alert! Previous The computer failed to complete the boot routine three consecutive times for the attempts at same error. Contact Dell and report the checkpoint code (nnnn) to the support booting this technician system have failed at checkpoint [nnnn].
  • Page 44 Error message Description Decreasing One or more memory modules may be faulty or improperly seated. Re-install the available memory memory modules and, if necessary, replace them. Diskette drive 0 A cable may be loose or the computer configuration information may not match seek failure the hardware configuration.
  • Page 45 Error message Description read value expecting value Memory double A memory module may be faulty or improperly seated. Reinstall the memory word logic failure modules and, if necessary, replace them. at address, read value expecting value Memory odd/even A memory module may be faulty or improperly seated. Reinstall the memory logic failure at modules and, if necessary, replace them address, read value...
  • Page 46 The keyboard controller may be malfunctioning or a memory module may be interrupt in loose. protected mode WARNING: Dell's During initial startup, the drive detected possible error conditions. When your Disk Monitoring computer finishes booting, immediately back up your data and replace your hard System has drive (for installation procedures, see "Adding and Removing Parts"...

  • Page 47: Specifications

    Specifications NOTE: Offerings may vary by region. For more information regarding the configuration of your computer in: • Windows 10, click Start → Settings → System → About. • Windows 8.1 and Windows 8, click Start → PC Settings → PC and devices → PC Info. •...
  • Page 48 Table 22. Audio Feature Specification Integrated Two Channel High Definition Audio Table 23. Network Feature Specification Integrated Intel I219LM Ethernet capable of 10/100/1000 Mb/s communication Table 24. System information Feature Specification System chipset Intel C236 chipset DMA channels Two 8237 DMA controllers with seven independently programmable channels Interrupt cevels Integrated I/O APIC capability with 24 interrupts...
  • Page 49 Table 27. Drives Feature Specification Externally accessible (5.25-inch drive bay) Mini Tower Small Form Factor One slim optical drive bay Internally accessible 3.5-inch SATA drive 2.5-inch SATA drive PCIe drive bay bays bays Mini Tower Four Small Form Factor Table 28. External connectors Feature Specification Audio...
  • Page 50 Feature Specification PCI Express x16 (wired as x4) data width (maximum) - four PCI Express lanes Mini Tower One 164-pin connector Small Form Factor None PCI Express x16 data width (maximum) - 16 PCI Express lanes Mini Tower, Small Form Factor One 164-pin connector Serial ATA Mini Tower...
  • Page 51 Feature Specification Link integrity light on integrated network Green — a 10 Mbps connection exists between the adapter network and the computer. Green — a 100 Mbps connection exists between the network and the computer. Orange — a 1000 Mbps connection exists between the network and the computer.
  • Page 52 Table 33. Environmental Feature Specification Temperature range Operating 5°C to 35°C (41°F to 95°F) Storage –40°C to 65°C (–40°F to 149°F) Relative humidity (maximum) Operating 20 percent to 80 percent (non-condensing) Storage 5 percent to 95 percent (non-condensing) Maximum vibration Operating 0.26 GRMS Storage...

  • Page 53: Contacting Dell

    Dell product catalog. 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: Go to Dell.com/support.

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