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- You might have accidently set your laptop to 'Extend' mode rather than duplicate. You may try to toggle display and check if it helps. After you plug in your second monitor or connect a projector, you can choose your screen options. Swipe in from the right edge of the screen, and then tap Devices.
answers.microsoft.com/en-us/windows/forum/all/open-windows-not-showing-on-tv-screen-when/2e5d4fbc-0b7a-4d69-b8c8-53dc8f04a8bdOpen windows not showing on TV screen when connected via HDMI
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What if my computer screen doesn't appear on my screen?
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Why does Windows 10 not detect monitors over HDMI?
Jun 10, 2012 · Double-click the “Display” icon and click the “Settings” tab. The manual for the HDMI TV will list the screen resolutions it supports, along with the refresh rates. Configure the resolution in the “Settings” tab, and then click the “Advanced” button to set the refresh rate.
- Mirroring With an HDMI Cable (And Possibly an Adapter)
- Chromecast Screen Casting
- AirPlay Mirroring
- Miracast Wireless Display
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Related: Why You Should Connect a PC to Your TV (Don't Worry; It's Easy!)
A standard HDMI cable is still the best way to get your PC's screen onto a TV. This is true whether that computer is a living room PC using a TV as it's only video output, or PC with its own monitor that's mirroring the contents of the primary display to the TV.
Getting this solution hooked up is pretty simple. You probably already have an HDMI cable. If you don't, you can buy a cheap cable like this one ($7) and skip the unnecessary expensive cables. Plug one end into an HDMI port on the back of your TV and the other into the HDMI port on your laptop or desktop. Switch the TV to the necessary input and you're done! You can also use the display options on your PC to configure how the display works---whether the TV mirrors your main display or functions as a secondary desktop.
Related: How to Use Multiple Monitors to Be More Productive
Related: Beginner Geek: How to Connect a Laptop to a Television
That's the theory. In practice, many modern laptops don't ship with a built-in HDMI port---at least, not a full-sized one. Modern, super-thin laptops just don't have space for those large ports. You can still connect your laptop to a TV with an HDMI cable, though---you'll just need the necessary adapter for the port your laptop does include.
Google's inexpensive Chromecast offers an easy way to get your computer's display onto your TV without any cables. While Chromecast is generally used to "cast" content from a specific app or web page to your TV, you can also cast a specific browser tab. Not only that, but the Chromecast browser extension also lets you cast your computer's entire desktop to your Chromecast, and thus view it on your TV.
Related: How to Chromecast to a TV From a Laptop or Desktop PC
Apple's homegrown solution---AirPlay Mirroring---requires that you have an Apple TV box hooked up to your TV. If you do, you can use Apple's AirPlay to wirelessly mirror the contents of a Mac, iPhone, or iPad's display to your TV.
Related: Wireless Display Standards Explained: AirPlay, Miracast, WiDi, Chromecast, and DLNA
Miracast is supposed to be an open alternative to Apple's AirPlay, allowing you to "cast" an Android or Windows device's display wirelessly to a TV or set-top box. Support for casting is built into the latest versions of Android, Windows, and Windows Phone. Your TV may or may not include Miracast, although it's appearing on more streaming boxes like the Roku.
Related: How to Use Miracast Screen Mirroring from Windows or Android
Unfortunately, we've found that Miracast is a bit hit-or-miss. Sometimes it works well, sometimes it doesn't. And it isn't always easy to track down the reason it might not be working. We've had difficulty getting it going on devices that we knew supported Miracast.
For those reasons, we recommend you try Miracast last. If you have hardware that supports Miracast, feel free to give it a shot, of course. But don't go out of your way to buy Miracast-enabled hardware, as there's a good chance you'll be disappointed with the experience. Miracast clearly needs more time in the oven before it can hope to become the easy-to-use, interoperable standard it's supposed to be.
Related: How to Play PC Games on Your TV
There are other ways to get stuff onto your TV, of course. If you're into PC gaming, you may want to try getting a living room box that can stream games from your gaming PC and display them on your TV. However, you'll still get better results with a long HDMI cable that connects that gaming PC directly to your TV. When it comes to getting the contents of your computer's display on your TV, the wired HDMI cable is still king.
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If your computer screen does not appear on your LCD, Plasma or Projector then you may need to: Lower the resolution setting in the display settings; If you’re using a laptop press and hold the FN key on the bottom left of your keyboard and the Fkey on your keyboard that has an image of a screen on
Jun 6, 2020 · Are you unable to project or mirror content from your PC because Windows isn't detecting your external monitor or TV? Check out the solutions in this guide to fix that.
May 11, 2018 · If your television isn’t giving you a picture when you connect it to your computer, I’m not sure your power supply is to blame.
Jul 15, 2024 · Why is HDMI from laptop to TV not working? Usually, it’s the hardware faulty, so make sure your hardware devices are working properly. Another possible reason is that your TV is not recognized by your laptop. And you can try these solutions to fix your problem. How to fix HDMI laptop to TV not working. Here are the fixes you can try.
Oct 6, 2023 · With the right troubleshooting approach, you can tackle virtually any issue getting your computer to properly display on your television screen. Carefully check your cabling, display settings, driver updates and signal compatibility to resolve problems.
