Connecting a Mac computer to a projector or TV or monitor using HDMI
However, there are instances where you can run into a problem. If none of these solutions work, then proceed to contact tech support for your respective products. Only after exhausting all of the options you can try yourself should you call a tech or return to the store. Now it does not work at all. I spent hours with Microsoft tech support, with them remotely logged on to my pc, and they tried several things, only to decide that the fault is with my hardware! Any suggestions? You must be logged in to post a comment.
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What could possibly go wrong?
Voted Undo. Score 1. Warranty up? Chosen Solution. Reece reecee Rep: Was this answer helpful? Score 2. It was working fine for so long with the same tv with no issue. Also I have my Amazon FireTv connected via hdmi with no issue. Sorry I didn't try ThnderBolt. S W avanteguarde Rep: Score 0. For the thunderbolt computers there's an adapter for the USB-C that you can flip around. Doing so opens the System Preferences window. Click Displays.
This computer monitor-shaped icon is in the middle of the System Preferences window. Click the Displays tab. It's in the upper-left corner of the window. Click the "AirPlay Display" drop-down box. This option is in the lower-left side of the window. A drop-down menu will appear. Select your Apple TV. Click your Apple TV's name in the drop-down menu.
You should see your Mac's screen contents appear on your TV after doing this.
How to Connect a Macbook to a TV Using HDMI | TurboFuture
Change the TV's resolution. Check the "Scaled" box, then click a resolution. This will allow you to match your TV's resolution to that of your Mac if your TV is a high-enough definition. You can't use a resolution that's higher than your TV's built-in resolution e. Change the screen scaling. Click and drag the "Underscan" slider that's at the bottom of the page left to show more of your Mac's screen on the TV or right to zoom in the screen.
This will help you fit your Mac's screen to your TV if the image on the TV is too large or too small.
Open the Sound menu. Doing so will bring up the Sound window. Click Output. It's at the top of the Sound window. Doing so brings up a list of speakers to which your Mac currently has access, one of which should be your Apple TV. This will ensure that your Apple TV outputs the sound from your Mac. Method 3.
Open your Mac's Apple menu. Click System Preferences. It's near the top of the Apple drop-down menu. This monitor-shaped icon is in the System Preferences window. Clicking it opens the Displays window. Change the "Underscan" value.
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Click and drag the "Underscan" slider at the bottom of the page right to zoom your TV's display in, or left to zoom out. This will help resize the image on your TV. Change your TV's resolution. Click the "Scaled" checkbox, then select a resolution e. You cannot set a resolution that's higher than your TV's maximum resolution. It's in the top-left corner of the window.