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ChengMing 3977 Tower
Owner's Manual
Regulatory Model: D25M
Regulatory Type: D25M001

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Summary of Contents for Dell ChengMing 3977 Tower

  • Page 1 ChengMing 3977 Tower Owner's Manual Regulatory Model: D25M Regulatory Type: D25M001...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2017 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: Safety Instructions

    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 4: Turning Off Your Computer - Windows 10

    CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable.
  • Page 5: 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 # 1 screwdriver •...
  • Page 6: System Back View

    Optical drive Power button and power status light Hard drive activity light Universal audio jack USB 2.0 ports USB 3.0 ports System back view Power connector port Power supply diagnostic button USB 2.0 ports (2) PS2 port for keyboard VGA port HDMI port Line out port Serial port...
  • Page 7: Removing The Cover

    Cover Removing the cover Follow the procedure in Before working inside your computer. To remove the cover: Remove the screws that secure the cover to the computer [1]. b Slide and lift the cover to remove it from the computer [2]. Installing the cover Place the cover on the computer.
  • Page 8: Removing The Front Bezel

    Front Bezel Removing the front bezel Follow the procedure in Before working inside your computer. Remove the cover. To remove the front bezel: Pry the front bezel retention clips away from the chassis. [1]. b Rotate the bezel away from the computer to release the hooks on the opposite edge of the bezel from the chassis. Then, lift the chassis and remove the front bezel from the computer.
  • Page 9: Removing The 3.5 Inch Hard Drive

    Hard drive Removing the 3.5 inch hard drive Follow the procedure in Before working inside your computer. Remove the: cover front bezel To remove the 3.5 inch hard drive: Disconnect the data cable and the power cable from the hard drive [1]. b Remove the screws (6-32xL3.6) that secure the hard drive to the computer [2, 3].
  • Page 10: Removing The 2.5 Inch Hard Drive

    front bezel cover Follow the procedure in After working inside your computer. Removing the 2.5 inch hard drive Follow the procedure in Before working inside your computer. Remove the: cover front bezel To remove the 2.5 inch hard drive: Disconnect the data cable and the power cable from the hard drive [1]. b Remove the screws (M3L3.5) that secure the hard drive to the computer [2].
  • Page 11: Removing The Optical Drive

    front bezel cover Follow the procedure in After working inside your computer. Optical drive Removing the optical drive Follow the procedure in Before working inside your computer. Remove the: cover front bezel To remove the optical drive: Disconnect the data cable and the power cable from the optical drive [1]. b Remove the screws (M2L2(04)) that secure the optical drive to the computer [2].
  • Page 12: Removing The Cooling Shroud

    Connect the optical drive and power cable to the optical drive. Install the: front bezel cover Follow the procedure in After working inside your computer. Cooling shroud Removing the cooling shroud Follow the procedure in Before working inside your computer. Remove the: cover front bezel...
  • Page 13: Installing The Cooling Shroud

    Installing the cooling shroud Align the tabs on the cooling shroud with the securing slots on the computer. Lower the cooling shroud into the chassis until it is firmly seated. Install the: front bezel cover Follow the procedure in After working inside your computer.
  • Page 14 To remove the power supply unit (PSU): Remove the screws (6-32xL6.35) that secure the PSU to the computer [1]. b Slide and lift the PSU from the computer [2]. Removing and installing components...
  • Page 15: Installing The Power Supply Unit (Psu)

    Installing the power supply unit (PSU) Place the power supply in the chassis and slide towards the back of the system to secure it. Tighten the screws (6-32xL6.35) at the back of the computer to secure power supply. Connect the 8-pin power cable to the system board. Thread the power cables through the chassis clip.
  • Page 16: Installing The Speaker

    b Press the securing tab on the speaker and remove the speaker from the chassis [2, 3]. Installing the speaker Slide the speaker module into the slot. Connect the speaker cable to the system board. Install the: front bezel cover Follow the procedure in After working inside your computer.
  • Page 17: Installing The Heat Sink Assembly

    To remove the heat sink assembly: Disconnect the heat sink cable from the system board [1]. b Loosen the captive screws(6-32xL6.35) in diagonal order [2]. NOTE: Remove the screws that secure the heat sink to the system board in the order of the callouts shown [1, 2, 3, 4].
  • Page 18: Removing The Memory Module

    Memory module Removing the memory module Follow the procedure in Before working inside your computer. Remove the cover. To remove the memory module: Pull the clips securing the memory module until the memory module pops up. b Remove the memory module from the system board. Installing the memory module Insert the memory module into the memory module socket until the clips secure the memory module.
  • Page 19: Installing The Expansion Card

    Installing the expansion card Insert the expansion card in the connector on the system board and press down until secured. Push the metal card-retention latch back to its position. Tighten the screw (6-32xL6.35) that secures the metal card-retention latch to the computer. Install the cover.
  • Page 20: Installing The Coin-Cell Battery

    Installing the coin cell battery Place the coin cell battery in its slot on the system board. Press until the release latch springs back into place and secures it. Install the cover. Follow the procedure in After working inside your computer.
  • Page 21: System Board Layout

    Press the release lever down and then move it inward to secure it with the retention hook. Install the: heat sink cooling shroud cover Follow the procedure in After working inside your computer. System board System board layout The following image displays the system board layout of the computer. CPU Power Connector(ATX_CPU) Processor Socket(CPU) CPU Fan Connector(FAN_CPU)
  • Page 22: Removing The System Board

    PCI Connector (SLOT3 and SLOT4) PCI-e X1 Connector(SLOT2) PCI-e X16 Connector(SLOT1) Removing the system board Follow the procedure in Before working inside your computer. Remove the: cover front bezel 3.5 inch hard drive 2.5 inch hard drive optical drive cooling shroud power supply unit speaker heat sink...
  • Page 23 Disconnect the hard drive power cable, optical drive power cable, speaker cable, power supply unit cable [1, 2, 3]. Removing and installing components...
  • Page 24 To remove the system board: Remove the screws (6-32xL6.35) that secure the system board to the computer [1]. b Tilt the system board at 45–degrees, and then lift the system board out of the computer [2]. Removing and installing components...
  • Page 25: Installing The System Board

    Installing the system board Align the system board to the port connectors on the rear of the chassis and place the system board in the chassis. Tighten the screws (6-32xL6.35) that secure the system board to the chassis. Connect the hard drive, optical drive, power supply unit cable and speaker cables to the system board. Place the I/O port bracket and tighten the screw (6-32xL6.35).
  • Page 26 Follow the procedure in After working inside your computer. Removing and installing components...
  • Page 27: Technology And Components

    Technology and components USB features The Universal Serial Bus, or well known as USB was introduced to the PC world in 1996 which dramatically simplified the connection between host computer and peripheral devices such as mice and keyboards, external hard drive or optical devices, Bluetooth and many more peripheral devices in the market.
  • Page 28 commonly known as USB 2.0 and 1.1 respectively, the slower modes still operate at 480Mbps and 12Mbps respectively and are kept to maintain backward compatibility. USB 3.0/USB 3.1 Gen 1 achieves the much higher performance by the technical changes below: •...
  • Page 29: Hdmi 1.4 Features

    Compatibility The good news is that USB 3.0/USB 3.1 Gen 1 has been carefully planned from the start to peacefully co-exist with USB 2.0. First of all, while USB 3.0/USB 3.1 Gen 1 specifies new physical connections and thus new cables to take advantage of the higher speed capability of the new protocol, the connector itself remains the same rectangular shape with the four USB 2.0 contacts in the exact same location as before.
  • Page 30 • Audio HDMI supports multiple audio formats from standard stereo to multichannel surround sound • HDMI combines video and multichannel audio into a single cable, eliminating the cost, complexity, and confusion of multiple cables currently used in A/V systems • HDMI supports communication between the video source (such as a DVD player) and the DTV, enabling new functionality Technology and components...
  • Page 31: 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 32: System Setup Options

    Table 2. 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 33 Option Description • Enabled w/PXE (default) NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not appear. Serial Port Identifies and defines the serial port settings. You can set the serial port to: •...
  • Page 34 Option Description Miscellaneous Devices Allows you to enable or disable the various on-board devices. • Enable PCI Slot (default option) Table 5. Video Option Description Primary Display Allows you to select the primary display when multiple controllers are available in the system. •...
  • Page 35 Option Description NOTE: Disabling this option dose not change any setting you have made to the PTT nor dose it delete or change any information or keys you may have stored in the PTT. Changes to this settings take effect immediately CPU XD Support Allows you to enable or disable the Execute Disable mode of the processor.
  • Page 36 Table 9. Performance Option Description Multi Core Support This field specifies whether the process will have one or all cores enabled. This option is enabled by default. Intel SpeedStep Allows you to enable or disable the Intel SpeedStep mode of the processor. This option is disabled by default.
  • Page 37: Updating The Bios In Windows

    Option Description • Auto — This allows the operating system to control this setting (this works only when the operating system supports Simple Boot Flag). This option is set to Thorough by default. Table 12. Virtualization Support Option Description Virtualization This option specifies whether a Virtual Machine Monitor (VMM) can utilize the additional hardware capabilities provided by Intel®...
  • Page 38: Assigning A System Password And Setup Password

    If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS update is completed. Restart the computer. Go to Dell.com/support. • Enter the Service Tag or Express Service Code and click Submit.
  • Page 39: Deleting Or Changing An Existing System And/Or Setup Password

    • Only lower case letters are valid, upper case letters are not allowed. • Only the following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`). Type the system password that you entered earlier in the Confirm new password field and click OK. Press Esc and a message prompts you to save the changes.
  • Page 40: Operating System Configurations

    Software Operating system configurations This topic lists the operating system supported. Table 16. Operating systems Windows 10 • Windows 10 64 bit • Windows 10 64 bit Single Language • Windows 10 64 bit Professional • Windows 10 64-bit National Academic (STF) Other •...
  • Page 41: Downloading The Chipset Driver

    Downloading drivers Turn on the computer. Go to Dell.com/support. Click Product Support, enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the auto detect feature or manually browse for your computer model.
  • Page 42: Realtek Hd Audio Drivers

    Realtek HD audio drivers Verify if the Realtek audio drivers are already installed in the computer. Click Start Navigate to Control Panel Under Device Manager, click Sound,video and game controllers Table 17. Realtek HD audio drivers Before installation After installation Intel chipset drivers Verify if the Intel chipset drivers are already installed in the computer.
  • Page 43: Identifying The Display Adapter

    Identifying the display adapter Start the Search Charm and select Settings. Type Device Manager in the search box and tap Device Manager from the left pane. Expand Display adapters. The display adapters are displayed. Intel HD Graphics drivers Verify if the Intel HD Graphics drivers are already installed in the computer. NOTE: Click Start >...
  • Page 44: Technical Specifications

    Technical Specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information about the configuration of your computer, go to Help and Support in your Windows operating system and select the option to view information about your computer.
  • Page 45: Video Specifications

    Video specifications Feature Specification Video Controller - iGPU Integrated Video Controller - NVIDIA GT710 Discrete AMD Radeon™ R5-430 Video Memory independent card offering Audio specifications Feature Specification Controller ALC3234-CG (Realtek) Speaker single 4-ohms, AVG speakers Internal speaker Codec Build-in Class D amplifier Intel HD Graphics This computer is shipped with the following list of the Intel HD graphics chipsets.
  • Page 46: Communication Specifications

    Table 21. Intel HD Graphics drivers Before installation After installation Communication specifications Feature Specification Network adapter Realtek 10/100/1000 Mbps Ethernet LAN Drives specifications NOTE: Your system support only 3 SATA devices for options of 3.5” HDD/ODD/2.5” HDD. Feature Specification Hard drive Two 2.5-inch SATA drive, one 3.5-inch SATA drive Optical drive One DVD RW...
  • Page 47: Physical Dimension Specifications

    Feature Specification Input current 2.7 A / 5.4 A (290 W) Physical Dimension 86.00 mm (3.38 inches) height Physical Dimension 150.00 mm (5.90 inches) weight Physical Dimension 140.00 mm (5.51 inches) height Coin cell battery 3 V CR2032 lithium coin cell Physical dimension specifications Feature Specification...
  • Page 48 Relative humidity Specifications (maximum) Operating 10 % to 90 % (non condensing) Storage 5 % to 95 % (non condensing) Maximum Specifications vibration: Operating 0.66 GRMS Storage 1.30 GRMS Maximum shock: Specifications Operating 110 G Storage 160 G Altitude Specifications (maximum) Operating –15.2 m to 3048 m (–50 to 10,000 ft)
  • Page 49: Troubleshooting

    Troubleshooting Dell Enhanced Pre-Boot System Assessment (ePSA) diagnostic 3.0 You can invoke the ePSA diagnostics by either: • Press the F12 key when the system boots and choosing Diagnostics option. • Press Fn+PWR when the system boots. For more details, see Dell EPSA Diagnostic 3.0.
  • Page 50: 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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