Verify that the source device has power and is turned on. If the source device is connected with an HDMI® cable: Make sure the TV and source device are both turned on, then disconnect the HDMI cable from one of the devices and then connect it again. Connect your monitor and Mac and open System Preferences > Displays.How do I get my MacBook Pro to recognize an external monitor? … Try a new or another known working HDMI cable. This should make the Detect Displays button appear. This should cause your Mac to see the external monitor. How do I connect my MacBook Pro to HDMI monitor?Ĭonnect an HDMI display or HDTV: Use a USB-C Digital AV Multiport Adapter to connect the HDMI display or HDTV to a Thunderbolt 3 (USB-C) port on your MacBook Pro. Connect a USB-C display: Connect the display to a Thunderbolt 3 (USB-C) port on your MacBook Pro. This cable is a true straight-to-HDMI adapter that supports 4K video and Thunderbolt 3-equipped devices. How do I connect my LG monitor to my MacBook pro?How old is your MacBook? If you have one that’s too old, it turns out that it might not be able to push audio through your DisplayPort, in which case the HDMI adapter isn’t going to be able to perform miracles, sorry to say. Switch that and *poof* you’re good to go! It’s about mid-2008 that the Apple hardware started to support HDMI audio, based on the research I’ve done, and there’s a pretty easy way to find out if your particular device works or not.īefore we do that, however, odds are that the problem is much simpler: your Mac probably just isn’t configured to use the HDMI adapter as the audio output for your system when you have things plugged in. I’ll start with a frame from a movie trailer (can you identify it for two points?) Let’s start there and then if it’s still not working, I’ll show you what to look for in your hardware configuration app to check your HDMI / Display Port capabilities.
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