Mac not turning on: what to doMac not turning on? Check the power and the display, force a restart, reset the SMC on Intel, revive the firmware, and know when to contact Apple.
How to clear Chrome cache on MacHow to clear cache in Chrome on Mac without losing passwords or sign-ins: the Delete browsing data window, its shortcut and what each box deletes.
How to clear temporary files on MacWhat temporary files are on a Mac, how to clear them safely (a restart does most of it) and which temp folders you should never delete by hand.
cargo clean: how to clear the Cargo cache on MacWhat cargo clean deletes, how to clear the Cargo cache in ~/.cargo on a Mac, and how to free the space taken by target folders of old Rust projects.
How to check Mac model and yearHow to check Mac model, year and chip in About This Mac, find the model identifier and serial number, and identify a Mac that won’t turn on.
How to show hidden files on MacHow to show hidden files on Mac with Command-Shift-Period in Finder, open the hidden Library folder, list hidden files in Terminal, and what not to touch.
npm cache clean: How to clear npm cache on MacHow to clear npm cache on a Mac with npm cache clean --force, why npm asks for --force, and how to clear the Yarn and pnpm caches.
How to clear media cache in Premiere Pro on MacClear media cache in Premiere Pro on a Mac from Settings › Media Cache, turn on automatic cleanup and find the Adobe cache folder.
How to install a DMG file on Mac: MacWashing as an exampleHow to install a DMG file on Mac step by step, using MacWashing: open the disk image, drag the app to Applications, first launch and Full Disk Access.
How to change default browser on MacHow to change default browser on Mac in System Settings or from the browser itself, how to switch back to Safari, and where the default email app is set.
What is System Data on Mac and how to reduce itWhat macOS counts as System Data in Storage settings, why it grows and how to make it smaller safely.
How to change Mac nameHow to change Mac name in System Settings › General › About, how to change the local hostname, and where other devices see the name of your Mac.
How to clear Outlook cache on MacHow to clear Outlook cache on a Mac: Reset Account in new Outlook, Empty Cache for a folder in legacy Outlook, and what you can lose.
Mac keyboard shortcuts: the most useful onesThe Mac keyboard shortcuts worth knowing: copy and paste, windows, screenshots, Finder, text, lock screen, plus what ⌘ ⌥ ⌃ ⇧ mean and their Windows keys.
How to find and delete node_modules folders on MacFind every node_modules folder on a Mac with its size, delete the ones you don’t need in Finder, Terminal or npkill, and get them back with npm.
How to check battery health on MacBookHow to check battery health on a MacBook: Maximum Capacity and condition in Battery settings, the cycle count in System Information, and Apple’s limits.
Mac stuck on Apple logo: how to fix itMac stuck on the Apple logo? Wait out an update, restart, try safe mode, repair the disk with First Aid in Recovery or reinstall macOS without erasing.
How to empty Trash on MacHow to empty Trash on Mac, delete one item right away, empty it automatically after 30 days and what to do when the Trash won’t empty.
How to back up a MacHow to back up a Mac with Time Machine to an external drive, why iCloud Drive is not a backup, and how to restore with Migration Assistant.
How to stop apps from opening on startup on MacHow to stop apps from opening on startup on a Mac: remove login items, turn off background items and stop windows from reopening.
How to speed up a slow MacHow to speed up a Mac: find what slows it down in Activity Monitor, free disk space, trim login items, update and restart. No myths.
App permissions on Mac: see which apps can use your camera and moreApp permissions on Mac: where to allow camera, microphone and screen recording, and how to see and revoke every app’s access at once with MacWashing.
How to clear Gradle cache on MacHow to clear Gradle cache on a Mac: what ./gradlew clean really deletes, how to stop the daemon and empty ~/.gradle/caches, and old Gradle versions.
How to update MacHow to update Mac in System Settings › Software Update, what to do before you start, how to turn on automatic updates and update App Store apps.

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