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.

Most of the time (we hope) your Mac boots normally. But when it doesn’t, you need to know how to get it started or to troubleshoot the problem. You should also know how to customize the login ...

MacFixIt reader William Hofius describes an intermittent problem with the DiskWarrior 3.0 CD, which we have experienced and worked around in-house: "I have a Dual 450Mhz Power Mac G4. I attempted to ...

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 ...