1. Introduction
The i-tec USB 3.0/USB-C Dual HDMI Docking Station is a versatile solution designed to expand the connectivity of your laptop or computer. This universal docking station is compatible with virtually all laptops, connecting via any available USB port (USB 3.0, USB-C, Thunderbolt 3, or even USB 2.0). It enables the connection of two external monitors via HDMI, provides six USB ports for peripherals, offers a reliable Gigabit Ethernet connection, and includes audio input/output. Its design allows for both vertical and horizontal placement, optimizing desk space or serving as a laptop stand.
2. Package Contents
Please verify that all items listed below are present in your package:
- i-tec USB 3.0/USB-C Dual HDMI Docking Station
- USB-C to USB-A/USB-C Cable (for host connection)
- Power Adapter (DC 5V) with country-specific plug adapters
- Quick Start Guide

Figure 2.1: Package Contents
This image displays all items included in the product package: the i-tec docking station, a power adapter with interchangeable international plugs, a USB-C to USB 3.0 host cable, and a quick start guide with driver download instructions.
3. Product Overview
Familiarize yourself with the ports and features of your docking station.

Figure 3.1: Front and Rear Views
This image displays the i-tec docking station from both front and rear perspectives, showcasing its various ports. An adapter cable for both USB-C and USB 3.0 connections is also visible, indicating broad compatibility.

Figure 3.2: Port Layout
A close-up view of the docking station's sides, labeling the different ports. On one side, there are USB 3.0 ports (one with fast charging), 3.5mm audio output, and 3.5mm microphone input. The other side features USB 2.0 ports, an Ethernet LAN RJ-45 port, two HDMI ports, a USB-B 3.0 host connection, and a DC 5V power input.
Port Descriptions:
- USB 3.0 Ports (Front): Two SuperSpeed USB 3.0 ports for high-speed data transfer. One port supports fast charging.
- 3.5mm Audio Output (Front): Connect headphones or speakers.
- 3.5mm Microphone Input (Front): Connect a microphone.
- USB 2.0 Ports (Rear): Four USB 2.0 ports for connecting standard peripherals like keyboards, mice, and printers.
- Ethernet LAN RJ-45 Port (Rear): Provides a stable and fast wired network connection.
- HDMI Ports (Rear): Two HDMI outputs for connecting external monitors.
- USB-B 3.0 Port (Rear): Connects the docking station to your host laptop using the provided USB-C to USB-A/USB-C cable.
- DC 5V Power Input (Rear): Connect the included power adapter.
4. Setup Instructions
Follow these steps to set up your i-tec docking station:
- Connect Power: Plug the included power adapter into the DC 5V input port on the rear of the docking station, then connect it to a power outlet.
- Connect to Host Device: Use the provided USB-C to USB-A/USB-C cable to connect the USB-B 3.0 port on the docking station to an available USB 3.0 or USB-C port on your laptop.
- Install Drivers: For full functionality, especially for display output, it is necessary to install the DisplayLink drivers. Visit the official i-tec website (i-tec.cz) and navigate to the support section for your model (U3DUALHDMIDOCK) to download and install the latest drivers for your operating system (Windows, macOS, Linux). Restart your computer after installation if prompted.
- Connect Peripherals: Connect your USB devices (keyboard, mouse, external drives), Ethernet cable, and audio devices to the corresponding ports on the docking station.
- Connect External Displays: Connect your HDMI monitors to the HDMI output ports on the rear of the docking station.

Figure 4.1: Connectivity Diagram
This diagram visually represents the extensive connectivity options of the docking station. It shows how a laptop can connect to the station, which then provides connections for two external monitors (up to Full HD+ resolution), multiple USB devices (like printers, mice, keyboards, external drives), and audio peripherals.
5. Operating Instructions
5.1 General Use
Once the docking station is set up and drivers are installed, it operates as an extension of your laptop's ports. Simply connect your laptop to the docking station, and all connected peripherals, monitors, and network will become available.
5.2 Connecting External Displays
The docking station supports up to two external HDMI monitors. After connecting the monitors to the HDMI ports on the docking station and ensuring drivers are installed, your operating system should detect them. You can then configure display settings (e.g., extend, duplicate, primary display) through your computer's display settings.

Figure 5.1: Docking Station in Use
The docking station is shown in a practical setup, connecting a laptop to two external monitors, demonstrating its dual display capability and how it integrates into a workspace.
5.3 Vertical or Horizontal Placement
The docking station can be placed vertically using its included stand to save desk space, or horizontally. When placed horizontally, it can also serve as a stable base for your laptop.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the docking station. Avoid liquid cleaners or abrasive materials.
- Ventilation: Ensure the docking station is placed in a well-ventilated area to prevent overheating. Do not block any ventilation openings.
- Handling: Handle the device with care. Avoid dropping it or subjecting it to strong impacts.
- Power: Always use the original power adapter provided with the device.
7. Troubleshooting
If you encounter issues, refer to the following common solutions:
- No Display Output:
- Ensure the docking station is powered on and connected to your laptop.
- Verify that the DisplayLink drivers are correctly installed and up to date. Check the i-tec website for the latest versions.
- Check all HDMI cable connections between the docking station and monitors.
- Test with a different HDMI cable or monitor if possible.
- Restart your computer.
- USB Devices Not Recognized:
- Ensure the docking station is properly connected to your laptop.
- Try connecting the USB device to a different port on the docking station.
- Connect the USB device directly to your laptop to confirm it is functional.
- Ensure sufficient power is supplied to the docking station.
- Network Connection Issues:
- Verify the Ethernet cable is securely connected to both the docking station and your router/modem.
- Check your computer's network settings.
- Test with a different Ethernet cable.
- Intermittent Disconnections (Power Sensitivity):
- Ensure the power adapter is firmly connected to both the docking station and a stable power outlet.
- Avoid connecting high-power-draw devices simultaneously if experiencing instability.
- Try a different power outlet.
If problems persist, consult the i-tec support website or contact customer service.
8. Specifications
| Model Number | U3DUALHDMIDOCK |
| Brand | i-tec |
| Hardware Interface | USB 3.0 |
| Host Connection | USB-B 3.0 (via USB-C to USB-A/USB-C cable) |
| Video Output | 2x HDMI (up to 2048x1152@60Hz) |
| USB Ports | 2x USB 3.0 (1x with fast charging), 4x USB 2.0 |
| Ethernet | Gigabit Ethernet RJ-45 |
| Audio | 1x 3.5mm Audio Output, 1x 3.5mm Microphone Input |
| Power Input | DC 5V |
| Dimensions (LxWxH) | 7.13 x 2.8 x 1.22 inches (18.1 x 7.1 x 3.1 cm) |
| Weight | 7.7 ounces (218 grams) |
| Color | Black |
9. Warranty and Support
i-tec products are covered by a manufacturer's warranty. For detailed warranty information, please refer to the documentation included with your product or visit the official i-tec website. For technical support, driver downloads, and frequently asked questions, please visit www.i-tec.cz/en/support/.





