Login Screen very slow (laggy)
After upgrading to OS Mojave , the login screen became too Laggy even the mouse movement ( while choosing between Guest user and My Own user ) , after clicking on a user takes where you write your password that one is fine ,but pressing back to choosing users it becomes the same Laggy.
• apple support told me to reset NVRAM + Boot safe mode and then back to normal but that didn't solve the issue.
• MacBook Pro 2018 15'inch Core i7 2.2ghz 16gb Ram 256GB SSD Radeon 555x.
MacBook Pro TouchBar and Touch ID, macOS Mojave (10.14), null