How to use a laptop as a second monitor


A second screen is a great addition to any setup, giving you an expanded visual setup that allows you to turn your work space into something much more versatile.
While you can purchase another monitor to achieve this, you can also use a laptop that will function as an additional screen for your primary machine.
Windows 10 provides this functionality by default, and it’s nice and easy to set up. Follow the steps below, and you’ll have your second monitor set up in no time at all.
Make sure you’re staying safe online with our easy-to-follow guide.

Set up a laptop as a second monitor

On the machine that you’d like to turn into your second monitor, find your way into Settings > System > Projecting to this PC.
Adjust the settings to your liking, striking your preferred balance between security and accessibility as seen below.

How to turn a laptop into an additional display
From your main computer, press your Windows Key + P, and hit ‘Connect to a Wireless Display’ at the very bottom.
Your PC will scan for available displays, and you will then have the ability to Extend or Duplicate once your PC has found the secondary monitor.
As the names suggest, Extend will treat the additional screen as an extension of your current setup, giving you more space to use. Duplicate will force the secondary screen to mirror your main one exactly, so you’ll have two displays showing the same content.
Make your desired selection, and your main PC will now be linked to the monitor in the style that you’ve selected.

Use a second screen as a collaboration point

Using this method, you can use a display as a collaboration point, and allow someone else to type and use the mouse on it if they pair with your main machine.
When you connect the screen, there will be a check box that will allow additional input. If you tick this box, this monitor will allow input from a mouse and keyboard when linked to another PC.

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