Mouse Keys can be enabled a number of different ways. These symptoms may also exist if you log in to a user account on a Mac where a different user account has Mouse Keys enabled. If you find that you are unable to type letters or numbers on your keyboard, it is very possible the Mouse Keys function has been enabled. Read further to get a resolution to this issue. 11.Written by Joe AimonettiSome users may experience issues with their keyboards not working as expected-possibly due to the Mouse Keys function being enabled on their Mac.
This mode is good for when you need to troubleshoot a startup issue, or modify a file or application that is preventing proper startup. This is a terminal interface that allows you to login and interact with your computer via text input only. Holding down Command + S during startup will boot your Mac into Single User Mode. Verbose mode exits automatically when the computer's startup process progresses sufficiently and the blue screen appears. It will contain information important to startup, allowing you to diagnose startup problems by seeing any errors that may be occurring during startup. Using this key combination will cause your Mac to become very verbose on startup and will show a terminal-like interface while booting.
Press Command + V During StartupĬommand + V boots your Mac into what is called Verbose Mode. Check out this article for more information about booting into Safe Mode. If you are having OS X boot problems, always try this first to check and see if you have a rogue piece of software preventing your Mac from booting properly. This Safe Mode feature is a great way to troubleshoot OS X applications and extensions that aren’t working properly. It will disable all non system fonts, all startup items, and login items. Start up your machine while holding down the Shift key to have OS X only load required kernel extensions and login items. OS X includes a boot option called Safe Mode. Follow our guide on Target Disk Mode for more information on how it works.
Sometimes it’s best to just retrieve those files and start fresh with a clean copy of OS X. Target Disk Mode is a great way to retrieve your files from your Mac if your machine refuses to boot properly.
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