![]() ![]() Sometimes power issues can be caused by the SMC, so it makes sense to try resetting the SMC if you're having chronic shut down problems. The System Management Controller (SMC) is responsible for low-level functions on your Mac, including power management, battery charging, and keyboard backlighting. This will download the test from the internet, instead. The correct shortcut is as follows: press one or more keys in the combination, except the last one. Sometimes none of the options above works, and the app carries on hanging. What to do when an application wont force quit. See if that one works: hold down the Option key and right-click the apps icon. If Apple Diagnostics wont run, try restarting and pressing and holding Option+D on startup. If your MacBook Pro wont shut down properly, it might respond to a keyboard shortcut. If you hold down Option and click on an app in the Dock, you will see an extra option for Force Quit. A pop-up box will appear displaying all open apps. A gray screen and progress bar should appear that indicates your Mac is being scanned for problems. Press and hold down the following three keys at the same time: Option, Command, and Esc. Safe mode isn't the only alternative startup mode for your Mac, check out the full list of macOS boot modes and what they're used for. To do this, shut down (or restart) your machine, and then press and hold D while it boots. If left in this state it will sit indefinitely. A spinner is spinning in the middle of the screen. Every time I shut it down the same thing happens: All UI except for the Catalina background image disappears. When you restart your computer, it will boot back into regular mode. What to do if your Mac won’t shut down normally Shut down your Mac with a keyboard shortcut. My Microsoft managed and owned MacBook Pro (15-inch, 2018), macOS Catalina 10.15.7 (19H1419) lost the ability to shut down cleanly. Release the Shift key when you see the login window and log in as usual.Press the power button then immediately press and hold the Shift key (either one).Turn your Mac off (you may need to force shut down).If you dont see the Apple logo, learn what to do. On laptop computers that have Touch ID, press and hold Touch ID. To start up in safe mode: Start or restart your Mac, then immediately press and hold the Shift key. Safe mode also deletes font, kernel, and system caches, along with a few other things. If startup never progresses beyond an Apple logo or progress bar: Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. When you start your Mac in safe mode, the startup disk is scanned for issues and macOS will try to fix any problems that are detected. Restarting your Mac in safe mode may also help stop the problem from happening again in the future. ![]()
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