This only works as a screen mirroring method, so it’s not like a true secondary display. From Chrome, click the three dots menu button (top right), then choose Cast - select Sources and Cast desktop, then choose your Chromecast from the list. Any screen with an HDMI input can run the streaming dongles, and any computer with Google Chrome installed can beam the screen over to these dongles on a local wifi network. Depending on what you’ve already got at the home or office, or what you’re planning to buy, wireless might be the best option for you.
Leave behind the constraints of wiring and you can get a bit more creative with how you configure your second screen, though you might not always get such a stable connection when you go wireless. As we’ve said, Apple is looking to improve this functionality later this year with Universal Control. For the wired option, you don’t need to do much more besides connect the devices together, make sure they are set to trust each other, then open Control Centre and click Display. If you have an iPad and a Mac made in the last few years ( see here for a full list of compatible devices), then the built-in Sidecar feature turns the tablet into a second screen, either via a cable or wirelessly. If you are buying new when it comes to your second screen, as we’ve said, start with the computer outputs and work from there. That’s not such a big deal if you’re trying to use whatever equipment you already have, but it can be really annoying if you’ve spent a significant chunk of money. There are combinations of computer and screen that simply will not work together when connected, especially if you’re trying to do something unusual (like connect an ancient TV to a brand new laptop). There are plenty of adaptor options, but again double-check the specs to make sure you’re working with the right standards and the right iterations of those standards. A common scenario here would be having a modern, sleek laptop with a USB-C port and an older monitor with an HDMI port. (Screenshot: Apple)Īssuming you’re not going out to buy a new screen and instead are looking to set up a monitor or TV you’ve already got, you might need to enlist the help of an adaptor as well as a connecting cable. Configuring two displays via macOS System Preferences.
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