Contents

Dell Precision Tower 3620 Owner's Manual
Working on your computer
- Safety instructions
- Before working inside your computer
- Turning off your computer
- After working inside your computer
Removing and installing components
- Recommended tools
- Removing the cover
- Installing the cover
- Removing the front bezel
- Installing the front bezel
- Removing the hard drive assembly
- Installing the hard drive assembly
- Removing the optical drive
- Installing the optical drive
- Removing power switch
- Installing the power switch
- Removing the intrusion switch
- Installing the intrusion switch
- Removing the memory module
- Installing the memory module
- Installing the PCIe Solid State Drive SSD
- Removing the PCIe Solid State Drive SSD
- Removing the power supply unit PSU
- Installing the power supply unit PSU
- Removing the Input-Output panel
- Installing the Input-Output panel
- Removing the speaker
- Installing the speaker
- Removing the expansion card
- Installing the expansion card
- Removing the system fan
- Installing the system fan
- Removing the heat sink assembly
- Installing the heat sink assembly
- Removing the processor
- Installing the processor
- Removing the system board
- Installing the system board
- System board components
System Setup
- Boot Sequence
- Navigation keys
- System Setup options
- Updating the BIOS
- Jumper settings
- System and setup password
  - Assigning a system password and setup password
  - Deleting or changing an existing system and or setup password
  - Disabling a system password
Diagnostics
- Enhanced Pre-Boot System Assessment ePSA diagnostics
- Troubleshooting your computer
  - Power LED diagnostics
  - Beep code
  - Error messages
Specifications
Contacting Dell

Dell Precision Tower 3620 Owner's Manual

Dell Precision Tower 3620 Workstation manual cover

Pages 47

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of 47

Owner's Manual

47 pages

Quick Start Guide

2 pages

Windows 10 Quick Start Guide

2 pages

Dell Precision Tower 3620 Workstation Specification

The Dell Precision Tower 3620 Workstation is a robust computing solution designed for professionals demanding high performance and reliability. This workstation is powered by Intel's 6th or 7th generation Core i3, i5, i7, or Xeon E3-1200 v5/v6 processors, offering substantial computational power for various demanding tasks. It supports up to 64GB of DDR4 RAM across four DIMM slots, ensuring smooth multitasking and efficient handling of memory-intensive applications. The Precision Tower 3620 offers versatile storage options, accommodating up to four storage drives with a mix of 3.5-inch or 2.5-inch hard drives and solid-state drives, providing ample space and fast data access speeds.

Graphics capabilities are enhanced with optional NVIDIA Quadro or AMD Radeon Pro professional-grade graphics cards, catering to graphic-intensive tasks such as 3D rendering and CAD applications. The workstation is equipped with a range of connectivity options, including multiple USB 3.0 and 2.0 ports, HDMI, DisplayPort, and optional Thunderbolt 2, ensuring seamless connection to peripherals and external devices. Network connectivity is supported by an integrated Intel i219-LM Ethernet LAN 10/100/1000, with optional wireless adapters available for enhanced flexibility.

The chassis design of the Dell Precision Tower 3620 is compact yet allows for easy access to components, facilitating upgrades and maintenance. It includes a 365W power supply, with an optional 290W PSU for energy-conscious users. The system supports Windows 10 Pro and various Linux distributions, enabling compatibility with a wide range of professional software applications. With its combination of powerful processing capabilities, expandability, and reliable performance, the Dell Precision Tower 3620 is ideal for professionals in engineering, media creation, and other fields requiring a dependable workstation.

Dell Precision Tower 3620 Workstation F.A.Q.

How can I upgrade the RAM on my Dell Precision Tower 3620 Workstation?

To upgrade the RAM on your Dell Precision Tower 3620, first power down the workstation and unplug all cables. Remove the side panel by releasing the latch. Locate the RAM slots on the motherboard, then release the clips on the existing memory modules to remove them. Insert the new RAM sticks into the slots, ensuring they click into place. Reattach the side panel, reconnect all cables, and power on the workstation to verify the upgrade.

What should I do if my Dell Precision Tower 3620 is not booting up?

If your Dell Precision Tower 3620 is not booting, check that all cables are securely connected and the power outlet is functional. Try a different power cable if possible. Ensure peripherals are not causing issues by disconnecting them. If the system still doesn’t boot, perform a hard reset by holding the power button for 15 seconds. If the problem persists, consider checking the internal components for any loose connections or faults.

How do I perform a BIOS update on my Dell Precision Tower 3620?

To update the BIOS, visit the Dell Support website and download the latest BIOS update file for the Precision Tower 3620. Save it to your desktop and close all applications. Run the downloaded file and follow the on-screen instructions to complete the update process. Do not power off the workstation during the update. The system will restart once the update is complete.

What are the steps to clean the interior of my Dell Precision Tower 3620?

To clean the interior, first power down the workstation and unplug all cables. Remove the side panel by releasing the latch. Use compressed air to blow out dust from the components, focusing on the fans and vents. Avoid touching any internal parts with your hands. Once cleaned, reattach the side panel and reconnect all cables before powering on the workstation.

How can I troubleshoot overheating issues on my Dell Precision Tower 3620?

If your workstation is overheating, ensure that all fans are functioning and not obstructed. Clean dust from the interior and ensure the workstation is placed in a well-ventilated area. Check the BIOS settings for fan speed adjustments and update the BIOS if necessary. Consider reapplying thermal paste to the CPU if overheating persists.

How do I reset my Dell Precision Tower 3620 to factory settings?

To reset to factory settings, restart the workstation and press F8 to access the Advanced Boot Options menu. Select "Repair Your Computer" and press Enter. Follow the prompts to initiate the factory reset process. Ensure to back up important data before proceeding, as this will erase all data on the system.

What graphics card options are compatible with the Dell Precision Tower 3620?

The Dell Precision Tower 3620 supports a range of graphics cards, including NVIDIA Quadro and AMD Radeon Pro series. Ensure the chosen card fits within the power supply and physical constraints of the workstation. Consider checking for any BIOS updates that may improve compatibility with newer graphics cards.

How can I improve the boot time of my Dell Precision Tower 3620?

To improve boot time, consider upgrading to a solid-state drive (SSD) if you haven't already. Disable unnecessary startup programs and services via the Task Manager. Ensure that the BIOS is updated and configured for optimal performance, such as enabling fast boot options if available.

How do I configure RAID on my Dell Precision Tower 3620?

To configure RAID, enter the BIOS setup by pressing F2 during boot. Navigate to the SATA settings and set the mode to RAID. Save changes and reboot. Access the RAID configuration utility by pressing Ctrl+I during boot. Follow the utility’s instructions to create and manage RAID arrays.

What are the maintenance best practices for the Dell Precision Tower 3620?

Regularly clean the interior and exterior of the workstation to prevent dust buildup. Ensure the BIOS and drivers are kept up-to-date. Periodically check for firmware updates. Monitor system temperatures and performance using diagnostic tools. Backup critical data frequently and ensure the workstation is in a stable, cool, and clean environment.