black vertical line
I have a brand new MacBook Air. suddenly a thin vertical black line right in the middle of the screen runs top to bottom. How do I get rid of it?
MacBook Air 13″, macOS 12.1
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First, I would return it to the seller for a replacement before their return/exchange policy period runs out.
Otherwise, contact Apple Directly (https://support.apple.com/en-us/HT201232) or set up a Genius Bar appointment at the nearest Apple Store or at the nearest Apple Authorized Service Provider and have the Mac evaluated.