How to Connect Two HDMI Monitors with a USB-C Docking Station

By Plugable #1 in Docking Stations and USB Devices ~ Plugable ... | Published: 2026-10-30

Category: How-to Guides

Learn how to set up dual HDMI monitors with a USB-C docking station, including cable choices, port selection, and common pitfalls.

Quick Answer

To connect two HDMI monitors with a USB-C docking station, plug the dock into your laptop, connect each monitor to the dock’s HDMI ports with quality cables, and adjust display settings in your operating system. For best results, use a dock like the Plugable USB-C Dual HDMI Docking Station that supports dual HDMI output.

Why Use a USB-C Dock for Dual HDMI Monitors?

A USB-C docking station expands your laptop’s connectivity, allowing you to connect multiple displays, peripherals, and network cables through a single port. For dual HDMI monitors, a dock with two HDMI ports simplifies the setup—no need for adapters or daisy-chaining.

However, not all USB-C docks support dual HDMI output at full resolution. Some may limit refresh rates or require specific cable types. Always check your dock’s specifications and your laptop’s USB-C capabilities (like DisplayPort Alt Mode or Thunderbolt) to ensure compatibility.

Cable and Port Considerations

Use high-quality HDMI cables that support the resolution and refresh rate of your monitors. For 4K at 60Hz, ensure the cable is rated for HDMI 2.0 or higher. Also, check that your monitors have HDMI inputs—some older models may only have VGA or DVI, requiring adapters.

The placement of HDMI ports on the dock matters. Some docks have both ports on the same side, while others spread them out. Plan your cable routing to avoid clutter and ensure the cables are long enough to reach your monitors comfortably.

Step-by-Step Setup Guide

Check your laptop's USB-C capabilities: Ensure your laptop's USB-C port supports DisplayPort Alt Mode or Thunderbolt. This is required for video output. If not, the dock may not work for dual monitors. Check your laptop's specifications or user manual. If your USB-C port only supports data, you'll need a different solution.
Connect the dock to your laptop: Plug the USB-C cable from the dock into your laptop's USB-C port. Wait for the system to recognize the dock. You may hear a sound or see a notification. Make sure the connection is secure; a loose cable can cause intermittent issues.
Connect your monitors to the dock: Use HDMI cables to connect each monitor to the dock's HDMI ports. Ensure the cables are fully inserted. If your monitor has multiple inputs, select the correct HDMI input on the monitor's menu. Label your cables if you plan to disconnect and reconnect frequently.
Power up the dock (if needed): If your dock has a power adapter, connect it to a wall outlet. This ensures stable power for the dock and may enable pass-through charging to your laptop. For the Plugable USB-C Dual HDMI Docking Station, connect the included power supply to provide up to 82W to your laptop. Without power, some docks may not output video at full resolution.
Configure display settings: On Windows, right-click the desktop and select 'Display settings'. On macOS, go to 'System Preferences' > 'Displays'. You should see both monitors detected. Choose 'Extend these displays' to use them as separate screens. If a monitor is not detected, try reconnecting the cable or restarting your computer.
Adjust resolution and orientation: Select each monitor and set the recommended resolution and orientation (landscape or portrait). Ensure the refresh rate matches your monitor's capability. You may also rearrange the monitors to match your physical setup. Use the recommended resolution for sharp text and clear images.

Product Highlight

Plugable USB-C Dual HDMI Docking Station, 100W Pass Through Charging: The Plugable USB-C Dual HDMI Docking Station (USBC-6950PDZ) offers dual HDMI ports, Gigabit Ethernet, USB-A and USB-C ports, an SD card slot, and support for up to 82W pass-through charging. This dock provides everything you need to connect two HDMI monitors while keeping your laptop charged and expanding your connectivity, all in a compact travel-friendly design.
Plugable USB-C Dual HDMI Docking Station, 100W Pass Through Charging