What do you do when your Mac refuses to log you in because it thinks your password is incorrect? Don’t rush or panic, but follow these steps.
troubleshooting
Safeguard your Mac, take screenshots, capture the logs in a logarchive or with sysdiagnose, make a written record, then repair and recovery.
Analysis of T2M2’s report from rotating Time Machine backups, including the first full backup made to a NAS.
How to read T2M2’s report on your Time Machine backups, interpret the results, and discover where any problems are occurring.
Minor update to version 2 for recent macOS backing up using Time Machine to APFS. This lets you reduce the number of error messages shown.
For Big Sur and later, specifically tailored to provide full analysis and troubleshooting of hourly Time Machine backups to APFS in Sonoma.
A few years ago, there were 3 tools for diagnosing network problems: Network Utility (gone in Big Sur), Wireless Diagnostics, and Network Diagnostics (also gone). And what can networkQuality tell you about Private Relay?
Automatic Time Machine backups aren’t scheduled to run at precise times, but when it’s convenient. This explains how, and what to do if goes wrong.
We used to reset the Desktop, the SMC, and NVRAM, install the Combo updater, or perform a clean install. Now there’s only Safe mode left.
Many of us keep an emergency external drive at the ready by our Mac, in case we need to use it to recover from problems. What’s the equivalent for Apple silicon?
The Eclectic Light Company 