Who is this setup for?

Older-laptop desk users

If your laptop’s ports may not carry two native video signals, establish what its host connections support before choosing a dock.

People needing separate workspaces

For documents, research, coding, spreadsheets or study across two independent screens, check each display’s required mode and set the operating system to extend rather than duplicate the desktop.

Peripheral-heavy desk users

If a keyboard, mouse, network connection, storage or charging must remain connected at the desk, count those requirements alongside the video outputs.

What should you check first?

USB-A DisplayLink dock

Consider it when: The laptop has a suitable USB data connection but lacks the native USB-C video capability needed for a video dock.

Trade-off: DisplayLink needs compatible host software, and its performance and available display modes depend on the computer, dock and monitors, according to DisplayLink Support.

USB-C or Thunderbolt dock

Consider it when: The laptop documentation confirms Thunderbolt or DisplayPort Alternate Mode over USB-C for native video output.

Trade-off: A USB-C-shaped port can carry data or power without carrying video, as Dell Support notes; charging and two-screen support also depend on the particular equipment.

Dedicated display adapter

Consider it when: You need one additional display connection and fewer peripheral ports than a full dock provides.

Trade-off: A simple USB-C video adapter cannot add native video capability to the laptop; a USB graphics adapter has its own software and display-mode requirements.

Concern What to check Who this matters to
Host connection Identify the exact laptop model, its available ports and documented video-output capability; check the proposed dock’s host and operating-system requirements. If my older laptop cannot send video through its USB-C port, I need to know that before choosing between a native video dock and USB graphics. Around 42% of consumers put connection compatibility first.
Two-screen display modes Check the specified resolution and refresh rate for two simultaneous, independent displays, then match both monitor inputs and cables. When I need separate workspaces at particular display settings, two output sockets alone do not settle the choice. For around 33% of consumers, the required two-screen mode is the primary concern.
Desk connections Count the ports needed for peripherals and confirm whether the laptop and dock support the intended charging arrangement. If my keyboard, mouse and other desk devices must stay connected, I need a setup that accommodates them as well as the screens. Desk integration comes first for around 25% of consumers.

Mistakes to avoid

  • Assuming every USB-C port carries video

    A data-only or power-only USB-C port cannot provide DisplayPort Alternate Mode video through a dock or adapter, according to Dell Support.

    Check your exact laptop model’s manual and port markings for Thunderbolt or DisplayPort Alternate Mode before choosing a USB-C video connection.

  • Reading a single-screen maximum as a dual-screen specification

    DisplayLink Support says available modes depend on the USB graphics device and the modes reported by the monitors. A dock’s headline resolution may therefore not describe what both connected screens can use.

    Look for the manufacturer’s simultaneous two-display specification at your required resolution and refresh rate, and check the matching outputs and cables.

  • Expecting a DisplayLink dock to work without software

    DisplayLink requires host software. DisplayLink Support also says macOS requires Screen Recording permission for DisplayLink Manager to render external displays.

    Confirm support for your operating system, install the required software from the technology or dock maker, and complete any required macOS permission steps.

Brands and technology to consider

DisplayLink

DisplayLink supplies USB graphics technology and software used in docks and adapters; it is not itself a guarantee of a particular dock’s capabilities.

  • A DisplayLink-equipped USB dock can be relevant when an older laptop lacks the native USB-C video capability needed for a video dock.
  • DisplayLink Support says performance depends on the host computer and operating system, while available display modes depend on the device and monitors. Check the exact dock and its two-screen specification.

Kensington

Kensington has USB-A DisplayLink docks relevant to laptops using a standard USB connection for desk expansion.

  • Kensington Support UK lists the SD3650 with USB-A DisplayLink connectivity and two display outputs.
  • The same SD3650 listing specifies a 2K maximum and says it is not driverless. Check that model’s applicable display modes rather than applying its specifications to other Kensington docks.

Targus

Targus offers dual-display docking options, including universal DisplayLink models and USB-C docks.

  • A Targus UK universal dock listing includes a USB-A legacy host adapter, which may be relevant when assessing an older laptop connection.
  • That model lists different single- and dual-display limits. Check the exact model’s host connector, simultaneous video modes and power arrangement.

Joybuy products

Related products coming soon.

Common questions

Can a USB-C adapter add DisplayPort Alternate Mode or Thunderbolt to an older laptop?

No. A video adapter cannot add native DisplayPort Alternate Mode or Thunderbolt to a laptop port that lacks it. Dell Support advises checking the port’s actual video capability, not its connector shape.

How do I make two connected screens show separate workspaces in Windows?

Select an extended-display mode rather than a duplicated one. Microsoft Support advises checking the connections and using Detect under Settings, System, Display and Multiple displays if a connected screen does not appear; you can then identify and arrange the screens.

Does a DisplayLink dock need software or permissions?

Yes, DisplayLink requires host software. DisplayLink Support says performance depends on the computer and operating system, and macOS requires Screen Recording permission for DisplayLink Manager to render external displays.

Can I return an online dock purchase if it does not suit my setup?

For an eligible UK distance purchase, GOV.UK says you can tell the seller you want to cancel within 14 days of receiving the item; check the applicable cancellation conditions and the seller’s return process. A change-of-mind cancellation is distinct from remedies for goods that are faulty or misdescribed.