There are numerous instances where either of the device involved could be in an error configuration which might be glitching the HDMI sound. If none of the methods work, then we can attempt at power cycling our devices. Now make sure you let us know which method worked for you in the comment section below. Note: You may have to do some or all of the above steps to get sound coming out of your TV when connected using a DisplayPort-to-HDMI cable to your MacBook Pro. Select the HDMI device on the left panel, and change the “ Format” values to 00Hz.Open Utilities and double– click on MIDI Setup.Navigate to Applications (Go > Applications).You should now have audio coming out of your TV from your MacBook. If you still cannot hear sound from your TV, log out of your account on your MacBook Pro, and then log back in.Make sure sound output is selected, and you can see the speaker icon next to HDMI in the list of devices.Select the wheel icon with a down-pointing triangle in the bottom left window.If you cannot see a speaker icon next to HDMI in the list on the left, do the following:.Somewhere in the middle of the window, in the Output tab, where you see “Source:” choose your TV from the drop-down list. On the left side of the window, you should now see HDMI.Now, use either Finder or Launchpad to navigate to Applications > Utilities > Audio MIDI Setup, and double-click on it to open.Select your TV in the section “Select a device for sound output.”.Somewhere in the middle of the window in the “Play sound effects through” section, click the drop– down, and choose your TV.From the 3 tabs available (Sound Effects, Output, and Input), choose Sound Effects.
#Why is my tv muted when i connect hdmi to mac mac
Click the Apple icon on your Mac menu bar, and choose System Preferences.
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