To leave safe mode, restart your Mac without pressing any keys during startup. If your startup disk is encrypted with FileVault, you might be asked to log in twice: once to unlock the startup disk, and again to log in to the Finder. Release the shift key when you see the login window. If you don't see the Apple logo, learn what to do. The white Apple logo appears on your display. Safe Mode Boot: Start or restart your Mac, then immediately press and hold the Shift key.In the sidebar, select the volume you wish to repair (Macintosh HD)ĭisk First Aid can be run on another drive when connected by Target Disk Mode. To repair permissions, click Repair Disk Permissions (applies to OS X Yosemite 10.10 and earlier) Īs you Mac restarts, hold down the Command (⌘) – R To check permissions, click Verify Disk Permissions.
Select the startup disk from the list of volumes. Open Disk Utility, which is in the Utilities folder of your Applications folder. Hold these keys until the computer restarts and you hear the startup sound for a second time.įrom within OS: Follow these steps in OS X: Press and hold the Command-Option-P-R keys immediately after you hear the startup sound. If no light appears, the charger, laptop or power source are likely faulty.įind Command (⌘), Option, P, and R on your keyboard. Mac laptops usually have a colored indicator where the AC adapter connects to the laptop, this is green when the computer is on, or when the battery is fully charged, or orange when the battery is charging. Notice that the "Open" dot or arrow disappears, indicating that the application has been closed.
In Mac OSX, closing the window of an application does not quit the application. Trash the app, trash its preference file.Quit the app, move its preference file to the Desktop, reopen the app.If it works fine in the new account try the next tip. Try starting the troublesome app in the new account. Deleting it clears all settings for a program, and the program creates a new blank settings file next time you start it up. This is found either in ~/Library/Preferences or in /Library/Preferences. Quit the troublesome app then reopen it.Quick, harmless, sometimes can help solve a problem.
Mac OSX - general configuration tips for Mac OS X and macOS.5 Mac doesn't wake up properly from sleep.4 Hardware troubleshooting with diagnostics.3 What to do BEFORE doing advanced troubleshooting.