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Dell Precision 3640 Tower - User Manual

Dell Precision 3640 Tower
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Precision 3640 Tower
Service Manual
0.0.0.0
Regulatory Model: D24M
Regulatory Type: D24M004
May 2020
Rev. A00

Table of Contents

Other manuals for Dell Precision 3640 Tower

Questions and Answers

  • B
    Bethany JosephSep 2, 2025
    What to do if my Dell Precision 3640 Tower Desktop displays 'The File Being Copied Is Too Large For The Destination Drive'?
    • J
      Johnny WhiteSep 2, 2025
      Try copying the file to a different disk or use a larger capacity disk.
  • L
    Lawrence LewisSep 2, 2025
    What to do if no boot device available on Dell Desktop?
    • A
      Alexander SmithSep 2, 2025
      If your Dell Desktop says 'No boot device available', it could be due to several reasons: there's no bootable partition on the hard disk, the hard drive cable is loose, or there simply isn't a bootable device. Make sure the cables are securely connected and that the drive is properly installed and partitioned as a boot device.
  • S
    Stephen DuffySep 3, 2025
    Why is available memory decreasing on my Dell Precision 3640 Tower?
    • S
      Sandy WardSep 3, 2025
      If your Dell Desktop displays 'DECREASING AVAILABLE MEMORY', it might indicate that one or more of your memory modules are either faulty or not properly seated. Try reinstalling the memory modules. If the problem continues, you might need to replace the faulty modules.
  • T
    Timothy TaylorSep 4, 2025
    How to fix GATE A20 FAILURE on Dell Precision 3640 Tower?
    • E
      Edward WashingtonSep 4, 2025
      If you're seeing a 'GATE A20 FAILURE' message on your Dell Desktop, it could mean that a memory module is loose. Try reinstalling the memory module. If the error persists, consider replacing the module.
  • W
    walshashleySep 4, 2025
    What to do if Dell Precision 3640 Tower shows 'BAD COMMAND OR FILE NAME'?
    • J
      Jacob LawsonSep 4, 2025
      If your Dell Desktop shows a 'BAD COMMAND OR FILE NAME' error, ensure that you've spelled the command correctly, that spaces are properly placed, and that you're using the correct path name.
  • A
    Alicia GillespieSep 5, 2025
    How to fix 'OPERATING SYSTEM NOT FOUND' on Dell Precision 3640 Tower Desktop?
    • N
      Nancy LambertSep 5, 2025
      If your Dell Desktop shows 'OPERATING SYSTEM NOT FOUND', reinstall the operating system. If the problem continues, no answer.
  • J
    Julia SmithSep 5, 2025
    How to fix keyboard failure on Dell Precision 3640 Tower Desktop?
    • O
      Olivia CrosbySep 5, 2025
      If your Dell Desktop displays 'KEYBOARD FAILURE', try reseating the cable. If the problem persists, replace the keyboard.
  • T
    Terry MoralesSep 6, 2025
    What to do if Dell Precision 3640 Tower Desktop has no power?
    • J
      johnsonmichelleSep 6, 2025
      If your Dell Desktop is experiencing No POST/No Power/No Boot situations, start the RTC reset with the system powered off and connected to AC power. Press and hold the power button for thirty (30) seconds. The system RTC Reset occurs after you release the power button.
  • T
    Thomas WongSep 7, 2025
    How to troubleshoot auxiliary device failure on Dell Precision 3640 Tower Desktop?
    • G
      George MooreSep 7, 2025
      If your Dell Desktop displays 'AUXILIARY DEVICE FAILURE', the touchpad or external mouse may be faulty. For an external mouse, check the cable connection. Enable the Pointing Device option in the System Setup program.

Summary

Working on your computer

Safety instructions

Essential guidelines for safe computer operation and maintenance.

Before working inside your computer

Precautionary steps to take before accessing internal computer components.

Safety precautions

Critical measures to protect yourself and the computer from hazards.

Electrostatic discharge-ESD protection

Methods to prevent damage to sensitive electronic components from static electricity.

After working inside your computer

Procedures to follow after completing internal computer maintenance or repair.

Technology and components

DDR4

Details DDR4 memory technology, its specifications, and differences from DDR3.

Intel Rapid Storage Technology (Intel RST)

Overview of Intel RST, its features, and RAID configurations.

Advantages of DisplayPort over USB Type-C

Highlights the benefits of using DisplayPort over USB Type-C connections.

HDMI 2.0

Explains the features and advantages of the HDMI 2.0 standard.

Major components of your system

Disassembly and reassembly

Recommended tools

Lists the essential tools required for performing disassembly and reassembly tasks.

Screw list

Identifies and categorizes screws used for various component installations.

Chassis rubber feet

Instructions for removing and installing the rubber feet on the computer chassis.

Cover

Procedures for safely removing and reinstalling the computer's outer cover.

SD card-optional

Steps for removing and installing an optional Secure Digital (SD) card.

Bezel

Instructions for removing and installing the front bezel of the computer.

Hard drive

Detailed steps for removing and installing 3.5-inch and 2.5-inch hard disk drives.

PSU hinge

Procedures for opening and closing the power supply unit (PSU) hinge mechanism.

Graphics card

Step-by-step guide for removing and installing the system's graphics card.

Memory module

Instructions for removing and installing memory modules (RAM) on the system board.

Speaker

Procedures for removing and installing the internal computer speaker.

Coin cell battery

Steps for removing and installing the coin cell battery that maintains system settings.

Power supply unit

Detailed instructions for removing and installing the computer's power supply unit.

Optical drive

Procedures for removing and installing the optical disc drive.

WLAN module and SMA antenna

Steps for removing and installing the wireless local area network module and antenna.

IO panel

Instructions for removing and installing the input/output (IO) panel.

Solid state drive

Procedures for removing and installing PCIe Solid State Drive (SSD) cards.

Power button module

Steps for removing and installing the computer's power button module.

Heatsink assembly

Procedures for removing and installing heatsink assemblies for different CPU wattages.

VR heat sink

Instructions for removing and installing the Voltage Regulator (VR) heat sink.

Front fan

Procedures for removing and installing the front cooling fan.

System fan

Instructions for removing and installing the system chassis cooling fan.

Optional IO card

Procedures for removing and installing optional Input/Output cards.

Processor

Detailed steps for removing and installing the computer's central processing unit (CPU).

Intrusion switch

Instructions for removing and installing the chassis intrusion switch.

System board

Comprehensive steps for removing and installing the main system board.

System board layout

Illustrates the system board layout, ports, and connectors.

Troubleshooting

Real-Time Clock (RTC Reset)

Procedure to reset the Real-Time Clock (RTC) for system recovery from boot issues.

System diagnostic lights

Explanation of power-supply and power button LED indicators for system status.

Diagnostic error messages

Lists and explains various diagnostic error codes and their meanings.

System error messages

Lists and explains common system error messages encountered during operation.

Recovering the operating system

Guidance on using Dell SupportAssist OS Recovery for system boot problems.

Getting help and contacting Dell

Self-help resources

Information on accessing Dell's online support, manuals, and drivers.

Contacting Dell

Details on how to contact Dell technical support and customer service.

Cable cover

Cable cover

Instructions for installing and removing the system's rear cable management cover.

Dust filter

Dust filter

Instructions for installing and removing the front dust filter for system protection.

Dell Precision 3640 Tower Specifications

General IconGeneral
Processor OptionsIntel Core i9, i7, i5, i3; Intel Xeon W-Series
Operating SystemWindows 10 Pro, Windows 10 Home, Ubuntu Linux, Red Hat Enterprise Linux 8.2
MemoryUp to 128GB DDR4
Storage Options2.5" HDD/SSD, M.2 SSD, 3.5" HDD
Storage SpecificM.2 PCIe NVMe SSD
Graphics OptionsNVIDIA Quadro, AMD Radeon Pro, Integrated Intel UHD Graphics
Graphics SpecificUp to NVIDIA Quadro RTX 5000 (16GB GDDR6)
Dimensions175mm (6.89 inches)
Weight6.6 kg
Expansion Slots1 x PCIe x16 Gen3, 1 x PCIe x4 Gen3, 1 x PCIe x1 Gen3
Front Ports2 USB 3.2 Gen 1 Type-A, 1 Universal Audio Jack
Rear Ports2 USB 2.0 Type-A, 1 RJ-45 Ethernet
Other PortsOptional Serial Port, Optional PS/2 Ports
Power Supply300W EPA Bronze 550W EPA Platinum

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