How to use a laptop as a second monitor for your desktop | MarketingwithAnoy

If you do not see these drop-down menus, you should see a prompt asking if you want to install the wireless projection feature: Just follow the on-screen instructions to do so. The function you want is marked as Wireless screen and it should not take long to download and install. Once done, go back to System and Projecting to this PC page, and the options we have mentioned above will then be visible.

Microsoft via David Nield

Finally, search for and run the Connect app on the laptop you want to connect to as another monitor. Once done, you can direct your attention to the desktop from which you want to project. Select from Settings System, Screen, Multiple screens and connect next to Connect to a wireless monitor. Select your laptop when it appears in the list and the connection is established.

You can access all the usual multi-screen settings below System and Screen in the Settings window in Windows – so you can duplicate the two screens or expand them so that you have twice as much space. Windows can be dragged between the two monitors, just as if you had connected an external monitor. On the secondary laptop, the second screen runs in a window by default, but you can turn it into full screen if needed.

macOS Desktop and a macOS laptop

With macOS you also use a wireless streaming protocol, in this case AirPlay Display. It allows you to use a Mac or iPad as an extra screen to work with desktops and tablets made by Apple as well as laptops. It works over both Wi-Fi and USB, so you can choose the wired or wireless solution that works best for your particular setup. You have many options to choose from.

The big premise is that both Macs must be running macOS Monterey or later to ensure you have all the necessary technology built into the software. If so, then your two Apple computers should also both be online and logged in to the same Apple ID account, which we assume is the setup you most likely have.

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