Using an extra monitor for work is a fantastic productivity boost—no more carve up-screen action betwixt Microsoft Discussion and Chrome. No more having to prioritize which window goes on top. A multi-monitor setup too looks absurd, plus you lot can use the extra screen as a media display when non in use.

If you don't accept an actress monitor merely have an extra laptop, you lot tin can repurpose the laptop equally a sort of second screen. Here'due south how y'all tin can employ your laptop every bit an external monitor!

Tin You Utilise a Laptop equally a Second Monitor?

Multi-monitor systems are relatively common. You'll meet them everywhere. Your md might employ a second monitor for notes and another for diagnoses. Using a 2d monitor tin can boost your productivity by giving you the extra screen existent estate you need.

Creating a multi-monitor setup with a laptop is a one-way procedure. It's likely your laptop only features an outgoing VGA, DVI, or HDMI cable. Then you tin plug a monitor in and use the laptop on both screens. Perfect, right?

What about if you don't have the right cablevision?

In that situation, y'all demand to utilise a KVM switch. A KVM switch is a physical switch you can turn to switch your system to another network. For instance, back in the day, you might have had to turn a switch to connect your organisation to a printer.

To utilize your laptop as a second monitor, you need KVM software. You install the software on your desktop and your laptop, and the local network creates a bridge between both devices. You can control your desktop and laptop from a unmarried keyboard and mouse, turning your laptop into a 2nd monitor. The rise of KVM software is one reason why you no longer need a dedicated KVM switch!

Using KVM Software for a Second Monitor Laptop Setup

Two of the biggest reasons for using more than than one monitor are working space and frustration with the dissever-screen. Several applications let you hands share your mouse and keyboard between laptop and desktop.

Notation that you lot cannot drag-and-drib an active window beyond KVM software. It just doesn't piece of work like that. However, some tools allow y'all drag-and-driblet a file to open on the laptop you lot utilize as a 2nd screen.

It isn't quite the same, but it is amend than cypher and often faster than using a cloud bulldoze (and especially a USB flash drive).

i. Input Director

Input Director is a handy costless virtual KVM plan. The installation package gives you the choice of beingness the Master (Server) or the Slave (Client). Run the Master installer on your chief system and the Slave installer on your laptop.

Once installed, you can configure the location of the laptop you are using equally a second screen in relation to your primary monitor. Y'all tin add the Slave using its network IP address or the hostname provided in each Input Managing director window.

Input Director has some corking features, including Cursor Wraparound, which allows you to move your cursor from whatever screen to another (rather than running in parallel), and the earth-shaking shared clipboard, which allows you to copy between devices. Furthermore, you can set Input Director only to allow computers on a specific network to control the Master, another handy feature.

Download: Input Director for Windows (Gratuitous)

2. ShareMouse

ShareMouse is one of the simplest but likewise the best virtual KVM tools to turn your laptop into a 2d monitor. ShareMouse is full of decent features, coming with shared clipboards, drag and drop file sharing, and an interactive monitor managing director.

You lot can also prepare your unused monitor to fade when you're not using it. It makes it piece of cake to go on rails of which screen you're using, every bit well as saving power on your laptop.

ShareMouse is costless for Non-Commercial Personal Use. Just y'all are limited to a maximum of ii monitors. Or, y'all tin can register for professional person use, granting you up to xix networked monitors/systems, encryption, and a handful of other tools for $49.95.

Download: ShareMouse for Windows or macOS (Costless)

3. Synergy

I used Synergy for a long time until switching to ShareMouse. Notwithstanding, Synergy remains an excellent open up-source virtual KVM tool. It is well suited to turning your laptop into a second monitor, featuring drag and drib file sharing, shared clipboard, and encryption.

Synergy isn't free. It comes in two flavors; a Basic version for $29 and a Pro version for $39. The basic version has seen a steep rise in price in recent years (from $10 to $29), and the Pro version has jumped upwardly, too. Synergy programmer, Symless, is also working on Synergy 2, and then that could explain the price jump.

I cool Synergy feature is that you can install information technology on your Raspberry Pi and use it as a primal controller for every arrangement attached to your network. Synergy is also available for an all-encompassing range of operating systems, including Windows, macOS, Ubuntu, Debian, and other Linux distros.

Download: Synergy for All Operating Systems ($29 Lifetime License)

4. Barrier

If the prospect of paying for Synergy doesn't fill yous or your wallet with joy, you could opt for an open-source fork of an before version. Barrier was forked from Synergy 1.9 earlier it overhauled virtually of its user interface and other processes.

Merely that doesn't mean information technology lacks features, delivering a very like range of options to the paid version. I thing to note is that Barrier and Synergy are not cross-compatible. You lot need Bulwark installed on every computer you desire to use. But also like Synergy, Barrier is available on a wide range of operating systems, including Windows, macOS, and numerous Linux distros.

Download: Barrier for All Operating Systems (Free)

five. Mouse Without Borders

Mouse Without Borders is a workspace unification application developed by The Garage. The Garage is an internal Microsoft development squad that employees can use to incubate and build personal ideas into existent-globe projects.

The Garage has overseen some fantastic projects, including the Microsoft Launcher for Android, the Microsoft Health Bot Service, and Eye Control for Windows 10. Too every bit these projects, you tin use Mouse Without Borders, a virtual KVM tool that "makes you the captain of your computer fleet".

In typical Microsoft fashion, Mouse without Borders uses a system of codes to connect your systems, too displaying the network adapter you lot're connecting through. It also comes complete with drag-and-drop file sharing and a useful Clipboard feature.

Download: Mouse Without Borders for Windows (Gratis)

Use Your Laptop as Second Monitor With Windows x Project to This PC

Windows 10 has an integrated Miracast feature that allows yous to employ your laptop as a second monitor. The Project to This PC office works using two Windows 10 computers and allows you to either extend or duplicate your principal display onto the secondary screen.

The result is a handy selection for getting a 2d monitor up and running, especially since information technology requires no third-party software.

How to Use Project to This PC With a Laptop Second Monitor

On your laptop, head to Settings > Organisation > Projecting to This PC. From here, you can select the projection settings for your setup, including which devices tin can connect, if new devices must request a connectedness, and whether pairing devices must enter a Pin earlier connecting.

If yous're only using your laptop as a 2nd monitor at abode, you can allow any device and leave the Pivot blank.

At present, on your main PC (the one you want to projection from), press Windows Key + P, so select how you want to project your screen. As yous want to use the laptop equally a 2nd monitor for productivity, you should select Extend.

Select your laptop when the option to connect appears, and you're skilful to get. Meliorate still, y'all can utilize the Windows 10 Miracast feature to project your Windows 10 estimator or laptop to your TV, too.

Use Your Laptop as a 2nd Monitor With spacedesk

If y'all detect the Windows x Miracast choice a little underwhelming, y'all can opt for a tertiary-political party option instead.

spacedesk is a free app that allows you to extend your desktop to a secondary display using your local area network, either via a wired or Wi-Fi connectedness. You load spacedesk on your main PC and the laptop y'all want to employ a second monitor, connect the ii, and brainstorm boosting your productivity.

The major plus to spacedesk is that you can connect more one additional screen to your chief PC. If you want to use your second monitor laptop and connect a tablet as a tertiary brandish, you lot tin can practice that. The aforementioned goes for your smartphone, an boosted laptop, and so on, connecting up to 4 simultaneous monitor displays.

How to Utilize spacedesk to Plow Your Laptop Into a Second Monitor

Starting time up, you need to download and install spacedesk on your primary PC:

Download: spacedesk for Windows 10

Yous can too find spacedesk download links for Windows 7 and viii.1 using the above link.

Next, yous demand to download and install spacedesk Windows viewer on your laptop:

Download: spacedesk Windows viewer for Windows 10

Scroll by the download links for the main spacedesk app to find the links for the spacedesk Windows viewer.

Once the installation completes, open the spacedesk application on your master arrangement. The spacedesk app on the chief PC acts as a server for incoming connections, assuasive you to mirror or extend your desktop display to another arrangement.

Now, caput back to your laptop and open up the spacedesk Windows viewer application. You lot should see a connectedness choice for your primary PC, which will turn your laptop into a second monitor.

Before opening the connection, modify the connection settings using the Functionality bill of fare. From here, you can ensure yous can use the keyboard and mouse of the remote device, plus set up the screen resolution of the connection. The screen resolution should default to 1920×1080, but will also fall dorsum to a lower resolution if y'all require it.

Create the spacedesk settings for your setup, and so Connect to the Primary Machine past selecting the computer proper name from the list.

Use a Physical KVM Switch for Second Laptop Monitor Use

Now, if you practice want to become down the concrete KVM switch route, that'south fine. I have a KVM switch on my desk when I need to plug in a Raspberry Pi or two, and a KVM switch tin can also have other uses.

The UGREEN USB three.0 Switch Selector is a basic KVM switch you can utilize to upgrade that sometime laptop to a second monitor. If you're using a laptop as a 2nd monitor, yous don't need to worry nearly the "5" aspect of the switch so much (the Five stands for video, which your laptop monitor already has!). Every bit such, y'all tin can employ a USB sharing switch to divvy up your mouse and keyboard input.

The UGREEN USB 3.0 Switch Selector is a basic input/output box, taking USB connections from four devices and allowing you to switch the output betwixt two separate computers. Plug one output into your main PC and the other into your laptop, and y'all're all set.

Tin can You Use a Laptop as an External Monitor?

You can use a laptop as an external monitor… of sorts. I know, I know. Information technology isn't like being able to drag and drop an active window into a second monitor. However, using a virtual KVM is easily the side by side all-time matter.

You lot tin make much more efficient and productive use of your laptop as a second monitor using one of these tools, despite the occasional bug with multi-monitor setups. Then, why not give them a effort?

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About The Author

Gavin Phillips (1027 Articles Published)

Gavin is the Junior Editor for Applied science Explained, a regular contributor to the Really Useful Podcast, and a frequent product reviewer. He has a degree in Contemporary Writing pillaged from the hills of Devon, and more than a decade of professional writing feel. He enjoys copious amounts of tea, board games, and football.

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