![My MacBook Pro's mouse track was not working. I restarted it now these two symbols appear on a black screen. : r/applehelp My MacBook Pro's mouse track was not working. I restarted it now these two symbols appear on a black screen. : r/applehelp](https://i.redd.it/5w4bn70706zb1.jpg)
My MacBook Pro's mouse track was not working. I restarted it now these two symbols appear on a black screen. : r/applehelp
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Amazon.com: Macally USB Wired Mouse for Mac and Windows - Simple 3 Button Corded Computer Mouse Wired, Scroll Wheel Layout with Long Wire Cord - Plug and Play USB Mouse Wired for
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