T txuss32 macrumors newbie Original poster Dec 19, 2019 24 0 Dec 26, 2022 #1 Using Mr. Macintosh guide to upgrade but stuck while booting from USB… mouse unresponsive on top left corner of screen. Not able to chose option to install nor “continue” button is accessible via keyboard. Any insight?
Using Mr. Macintosh guide to upgrade but stuck while booting from USB… mouse unresponsive on top left corner of screen. Not able to chose option to install nor “continue” button is accessible via keyboard. Any insight?