Can I Add Another Monitor? A Simple Guide to Expanding Any Laptop or Dock Setup

Whether you’re juggling spreadsheets or editing video, a single laptop screen rarely feels like enough. But can you actually add another monitor to your setup? The short answer is almost always yes.

However, the how depends on your current hardware and whether your operating system plays nice with certain technologies. Here’s a simple guide to expanding your screen real estate.

Scenario 1: Connecting Directly to a Laptop

If you’re working directly off your laptop, identify your ports first to see what free connections you already have:

• The Dedicated Video Port (HDMI): Most laptops have at least one HDMI port. This is the simplest "Native" connection. If you have one, plug your monitor in here first.
• USB-C (Alt Mode & Thunderbolt): These allow for high-resolution setups through a single cable by using a USB-C to HDMI or DisplayPort adapter (e.g., Plugable USBC-HDMI-CABLE or USBC-DP) to bridge the laptop directly to the monitor's input.
• The Universal Solution (DisplayLink): If you've already used your HDMI port or you don’t have one and your USB-C port doesn't support video (or you don't have one), DisplayLink technology is your fix. It converts video data into USB data, allowing you to add monitors to any standard USB-A or USB-C port, thanks to an installable driver on Windows, macOS, and ChromeOS
• Single Display: The Plugable UGA-4KDP adds one extra screen via a standard USB port.
• Dual Display: The Plugable USBC-6950M adds two extra screens via USB-C.
• Quad Display: The Plugable USBC-7400H4 can connect up to four 4K 60Hz HDMI displays from a single USB-C 10Gbps port.

Scenario 2: Expanding an Existing Docking Station

If you already have a dock but are a few monitors short of your dream setup, you can often add more displays without replacing your current hardware. Using a DisplayLink adapter is a powerful way to add to your dock's functionality beyond what the dock itself originally supports.

• You can plug a DisplayLink adapter (like the UGA-4KDP or USB-6950M) directly into any available USB-A or USB-C port on the dock you already have, or even into the laptop itself.
• This method adds to your existing dock’s capabilities by using a "virtual" graphics solution. This allows you to bypass the physical video output limitations of your current docking station or laptop.
• To get started, you just need to install a driver.
• Windows: Driver installation is typically automatic.
• Mac: Requires a manual installation of the DisplayLink Manager app.

To learn more about how this works, check out our blog: What is DisplayLink Technology?

Critical Compatibility Note

DisplayLink Limits

• Windows: Can typically scale up to 8 external monitors via DisplayLink.
• macOS: Is currently limited to a maximum of 4 "virtual" DisplayLink-connected displays.

Check out the knowledge base article How many displays can be added to a computer via USB? to learn more.

Still Unsure?

Every setup is unique. If you aren’t sure which adapter or dock is right for your specific laptop model, check out our Dock Finder Tool to get a guaranteed match.

FAQ

• Can I add more monitors if my laptop only has one HDMI port? Yes. You can use USB-C Alt Mode adapters or DisplayLink-based hardware to add additional displays through your available USB ports.
• What is DisplayLink technology? DisplayLink is a universal solution that converts video signals into USB data, allowing you to add monitors to standard USB-A or USB-C ports even if they lack native video support.
• Is there a limit to how many monitors I can add? Limits are generally defined by the operating system. Windows can support up to 8 external displays via DisplayLink, while macOS currently supports up to 4 virtual DisplayLink screens.
• Do I need to install drivers for these adapters? DisplayLink adapters require specific drivers. While Windows often handles this automatically, macOS users must install and enable the DisplayLink Manager app.
• Can I add more monitors to a docking station I already own? Yes. By plugging a DisplayLink adapter into an available USB port on your existing dock, you can add more monitors than the dock’s original hardware ports allow. Just remember, while adding DisplayLink adapters is possible, macOS limits you to four DL-powered monitors.