On an older Intel-chipped MacBook Pro, press and hold the power button for about 10 seconds, then press and release the power ...
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.
Learn how to reset MacBook Air PRAM, NVRAM & SMC to fix Mac startup issues. Step-by-step Mac hardware reset guide for Intel & Apple Silicon models. Pixabay, StockSnap Resetting PRAM, NVRAM, and SMC on ...