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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

  • M
    Mary MooreSep 8, 2025
    What does 3 amber 2 white blink code mean on Dell Desktop?
    • K
      Kyle DiazSep 8, 2025
      If your Dell Desktop displays 'PCIe or video card/chip failure', the power button LED blinks 3-times in Amber followed by a pause, and then blinks 2-times in White.
  • K
    Keith PorterAug 25, 2025
    What does it mean when my Dell Desktop displays 'Operating System not found'?
    • T
      Troy OlsonAug 25, 2025
      This means you need to reinstall the operating system.
  • J
    jgarciaAug 25, 2025
    What should I do if my Dell Desktop shows 'Decreasing Available Memory'?
    • A
      Ashley MillerAug 26, 2025
      One or more memory modules may be faulty or improperly seated. Reinstall the memory modules or, if necessary, replace them.
  • T
    Thomas JacksonSep 18, 2025
    What does data error mean on Dell Precision 3640 Tower?
    • M
      Mark ShafferSep 18, 2025
      If your Dell Desktop displays 'DATA ERROR', the hard drive cannot read the data.
  • T
    Thomas DominguezSep 8, 2025
    What does 2 amber 1 white blink code mean on Dell Desktop?
    • L
      Laurie StuartSep 9, 2025
      If your Dell Desktop displays 'CPU failure', the power button LED blinks 2-times in Amber followed by a pause, and then blinks 1-time in White.
  • H
    hannahmillerSep 13, 2025
    What does 3 amber 3 white blink code mean on Dell Precision 3640 Tower Desktop?
    • R
      Randy PerezSep 13, 2025
      If your Dell Desktop displays 'Recovery Image not found', the power button LED blinks 3-times in Amber followed by a pause, and then blinks 3-times in White.
  • 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.
  • S
    Suzanne WhiteSep 23, 2025
    How to troubleshoot no timer tick interrupt on Dell Precision 3640 Tower?
    • M
      Madison LeeSep 23, 2025
      If your Dell Desktop displays 'NO TIMER TICK INTERRUPT', run the System Set tests in Dell Diagnostics.
  • C
    Carla RossAug 29, 2025
    How to troubleshoot 'Auxiliary Device Failure' on Dell Desktop?
    • T
      Tracy DickersonAug 29, 2025
      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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