Hello therealsupercoolguy,
Welcome to Apple Support Communities!
If we understand your post correctly, recently you're having an issue with connecting your Mac to your TV and playing audio through the speakers. We'd like to help!
The article you came, Connect to HDMI from your Mac, is the best resource for this kind of issue.
"Check if you need an adapter
Mac computers that have any of the following ports can connect to HDMI devices:
Check specifications
Mac computers that have a built-in HDMI port comply with HDMI 1.4 or later and support:
- Up to 4K at 60Hz on compatible Mac models.
- Up to 4K at 30Hz on compatible Mac models.
- 8-channel/24-bit audio at 192kHz, Dolby Surround 5.1, and traditional stereo.
- HDCP-encrypted playback from iTunes and QuickTime Player (version 10). Safari in macOS Sierra or later also supports HDCP-encrypted playback, if the web page is HTML5-enabled and the content is FairPlay Streaming-enabled and delivered using Media Source Extensions or HTTP Live Streaming. To play HDCP content on an external display, HDCP playback requires an HDCP compatible display.
- HDR on compatible Mac models.
If using an adapter, check the specifications of the adapter to learn about supported resolutions and other details.
Up to 4K at 60Hz
You can connect a display with a resolution up to 4K at 60Hz to the HDMI port on these Mac models:
- Mac Studio introduced in 2022
- Mac mini introduced in 2018 or later
- Mac Pro introduced in 2019
- MacBook Pro introduced in 2021
Up to 4K at 30Hz
You can connect a display with a resolution up to 4K at 30Hz to the HDMI port on these Mac models:
- Mac mini introduced in 2012 through 2014
- Mac Pro introduced in 2013
- MacBook Pro introduced in 2012 through 2015"
If you're still having an issue then we recommend contacting Apple Support directly for further help with this issue.
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Take care!