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Apple's new 2021 MacBook Pro only comes with an HDMI 2.0 port which cannot output 4K at 120Hz on an external display - NotebookCheck.net News
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Apple sends survey over headphone jack to MacBook Pro users, perhaps hinting at eventual removal - 9to5Mac
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10 troubleshooting steps everyone should follow in case of no sound / no audio from Mac - Hawkdive.com
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