Who needs an external monitor?

Document-heavy laptop workers

If you move between documents, spreadsheets and browser tabs, an external monitor gives you another way to arrange your work beyond the laptop screen. Which? identifies a monitor as a way to get a better view of day-to-day home-office tasks.

Single-cable desk users

If you want to reconnect your laptop with fewer cables, consider a USB-C monitor with charging and hub functions. First confirm that the laptop supports USB-C video and accepts the monitor’s stated charging output.

Frequent video-call workers

If meetings share your day with document work, decide whether you need more screen space, built-in call hardware, or both. Features such as a webcam and microphone depend on the exact monitor model.

What matters when choosing?

Start with the laptop’s supported display connection, then weigh screen space, call equipment and any plans for additional displays or peripherals.

Concern What to check Who this matters to
Document workspace Compare physical size and native resolution; check the laptop’s supported display mode and available desk space. If documents and browser windows compete for room on my laptop screen, I want a display that fits both my work and my desk. About 31% of consumers put document workspace first.
Connection and charging Confirm the laptop’s video output. For USB-C video, check DisplayPort Alt Mode or Thunderbolt support and whether the stated charging output suits the laptop. I want to connect my laptop at the desk without managing separate display and charging leads, provided both devices support that arrangement. Connecting and charging with fewer cables is the primary need for about 31% of consumers.
Video-call setup Decide whether you need screen space alone or a model with a specified webcam, microphone and speakers. When calls are a regular part of my working day, I want to know whether the monitor can replace separate call equipment. For about 23% of consumers, integrated call features come first.
Displays and peripherals Check the laptop’s supported number of external displays and the proposed dock’s video outputs; distinguish a dock from a splitter. If I need more than one external display or want to connect several desk devices, I must establish what my laptop can drive. About 15% of consumers prioritise this kind of expansion.

Connection mistakes to avoid

  • Assuming every USB-C port carries video

    A USB-C connector alone does not establish display support. Dell’s support guidance says USB-C video requires DisplayPort Alt Mode or Thunderbolt; a data-only or power-only port will not show video.

    Check the laptop manual or port specification before choosing USB-C as your display connection. Otherwise, use a confirmed HDMI or DisplayPort output where available.

    A different cable, adapter or connection arrangement may be needed if the planned USB-C route does not work.

  • Using a splitter for two extended screens

    Microsoft explains that a display splitter duplicates a signal rather than creating two independent extended-display signals.

    Check how many external displays the laptop supports, then assess a compatible dock or other supported display-output arrangement.

  • Assuming the monitor can charge any laptop

    USB-C charging output varies by model, and a stated maximum does not establish that it will meet a particular laptop’s requirements. Lenovo also qualifies the maximum output stated for its ThinkVision T27QD-40.

    Compare the laptop’s USB-C charging support and power requirements with the exact monitor or dock specification before relying on one cable.

    You may still need to use the laptop’s own charger if the proposed connection cannot provide suitable charging.

  • Treating a monitor as a complete workstation solution

    For workers within the scope of UK display-screen-equipment rules, the Health and Safety Executive says an individual assessment should address whether the home setup allows a comfortable, sustainable posture.

    If you work at home permanently, long term or routinely as part of hybrid work, ask your employer about the applicable assessment before treating screen size alone as the answer.

Relevant monitor brands for reference

Dell

Dell’s P2425HE is a 23.8-inch Full HD IPS USB-C hub monitor with an adjustable stand, stated power delivery of up to 90W and 1GbE Ethernet.

  • Its specified hub and stand functions are worth considering for a compact laptop desk.
  • USB-C video still requires a compatible laptop port; the P2425HE’s native resolution is Full HD, not QHD.

BenQ

BenQ lists the GW2790QT as a 27-inch QHD USB-C monitor with a hub, adjustable stand and 65W power delivery.

  • Its stated QHD resolution and USB-C functions give buyers a specific screen-and-connection combination to assess.
  • Check that the laptop supports USB-C video and that 65W meets its charging needs.

LG

LG specifies a built-in Full HD webcam, microphone and speakers on its 27BA850-B, alongside a 27-inch Full HD IPS panel.

  • The integrated equipment is relevant if you want fewer separate devices for calls.
  • If native QHD resolution is a priority, compare other models rather than choosing this Full HD model for its call equipment alone.

Lenovo ThinkVision

Lenovo lists the T27QD-40 as a 27-inch QHD docking monitor with USB-C, HDMI, DisplayPort, USB ports and RJ45.

  • Its specified connections are relevant to a desk with several peripherals.
  • Lenovo qualifies its stated maximum 100W output: actual power may be lower, and the maximum depends on compatible Lenovo VDM products.

Monitors to consider on Joybuy

These external monitors offer different screen sizes and stated connection options for laptop-based desk work. Choose a model only after checking the display output and setup you need.

ASUS ProArt PA278CV IPS WQHD monitor

ASUS ProArt PA278CV IPS WQHD

Consider this model if a WQHD display is your priority for document work. Check that your laptop supports the display mode you intend to use; if you plan to charge through the monitor, confirm its USB-C power-delivery specification against the laptop’s requirements.

View on Joybuy
ASUS ProArt PA24ACRV IPS QHD monitor

ASUS ProArt PA24ACRV IPS QHD

This model is an option for a laptop desk where screen positioning and connection choice matter. Confirm the exact display specification and your laptop’s USB-C video and charging support before buying; check the package contents if you need a particular cable.

View on Joybuy
ASUS ZenScreen MB249C IPS USB-C monitor

ASUS ZenScreen MB249C IPS USB-C

Consider this USB-C model if you need to position an external screen in a flexible home-work setup. Confirm that your laptop supports video over USB-C, and check its charging requirements before relying on the monitor for power.

View on Joybuy
AOC Q32V4 31.5-inch IPS monitor with built-in speakers

AOC Q32V4 31.5-inch IPS with speakers

The 31.5-inch screen is worth considering if you have room for a larger display and want built-in speakers. Measure your desk space and confirm the laptop’s intended display output and supported resolution; check the stand’s positioning options if adjustment matters to you.

View on Joybuy
Samsung S40GD LS22D400GAUXXU 22-inch Full HD monitor

Samsung S40GD LS22D400GAUXXU 22-inch Full HD

This 22-inch display may suit a desk where a larger monitor would take too much room. Consider whether Full HD at this size gives you enough space for your documents, and confirm a compatible video connection on the laptop.

View on Joybuy

Common questions

How can I tell whether my laptop supports a USB-C monitor?

Check the laptop manufacturer’s specification for DisplayPort Alt Mode or Thunderbolt on the port you intend to use. Dell’s support guidance says USB-C video needs one of those capabilities; if the port carries only data or power, consider a confirmed HDMI or DisplayPort connection or assess a compatible adapter.

Will a splitter give me two independently extended monitors?

No: Microsoft says a display splitter duplicates the same signal rather than creating independent extended-display signals. Check the laptop’s supported external-display setup before choosing a dock or another way to connect multiple screens.

Should I choose a monitor with a built-in webcam?

Choose integrated call hardware if reducing separate desk devices matters to you and the exact model has the features you need. LG specifies a Full HD webcam, microphone and speakers for its 27BA850-B; do not assume those features are included with other monitors.

Does UK display-screen-equipment guidance cover working from home?

It can. The Health and Safety Executive says the regulations can apply to people working at home permanently or long term, or routinely splitting time between home and a workplace, when they use display-screen equipment daily for continuous periods of an hour or more. Where they apply, the employer should carry out an individual assessment.

Will a larger monitor automatically improve my working posture?

No. The Health and Safety Executive says a home-workstation assessment should consider whether the worker can achieve a comfortable, sustainable posture. Consider screen positioning and working practices alongside size; a monitor does not replace an individual assessment where one is required.