It’s an unhappy day when you go to turn your MacBook on after an update or blissful recharging sleep — and something goes wrong. Maybe nothing happens at all. Maybe your Mac tries to turn on but doesn ...
A step-by-step guide to fixing a black screen on MacBook Pro or an external monitor.
Disk Utility is Apple's go-to macOS app for finding and repairing common disk errors, but if it's your Mac's internal disk that's the problem, then your Mac might not even start up into macOS.