Find macOS High Sierra and click Install. Launch the App Store app and go to the Purchases tab. If the download completes successfully but the installation doesn’t finish, force quit the installer using the same procedure as above. Re-launch the App Store and try downloading again. Select the App Store app and confirm you want to force quit. Press Cmd-Alt-Esc or go to the Apple menu and choose Force Quit. If you’ve done that, and managed to start the downloading process only for it to fail, force quit the App Store app. If you’re trying to download the macOS High Sierra installer, you’ll need to have signed up to App Store. Here’s how to fix the most common High Sierra issues. While most new versions of macOS are relatively problem-free, it’s not unknown for users to have issues – particularly with a beta or. Don’t have a Setapp subscription? Click here to sign up. You can use, for example, Get Backup Pro, which comes with your Setapp subscription. You can use any backup tool you like – Apple obviously favours Time Machine, but you don’t have to use it. If things go disastrously wrong at least you’ll be able to boot from macOS’ Recovery partition and migrate all your data back to your Mac. If you haven’t started the process of upgrading yet, check if the Mac is compatible with macOS High Sierra and make a bootable backup.ĭo it now, before you do anything else. Take a Test Drive: How to Install the macOS 10.The excitement of installing a new version of macOS, especially if its a High Sierra 10.13, is only tempered by the possibility of it not working properly or not being compatible with the apps you use most.īefore you begin upgrade to macOS make a bootable backup. How to Fix macOS Catalina Installation Issues. Using an External Drive as Your Startup Drive: Part 1. Whether the chimes are here to stay in the future is up to the whims of Apple. A later macOS update removed that terminal command, but it’s back again. An update to macOS in 2016 originally removed the chime, but a terminal command to bring it back was quickly discovered. While this definitely works with the 2019 16-inch MacBook Pro (I tested it), AppleInsider found that it doesn’t work with some other models. Press return, and the next time you reboot your Mac, the startup sound is back! It can be muted once again by using this code: sudo nvram StartupMute=%01 
Launch Applications > Utilities > Terminal, then copy the following line of code and paste it at the command line prompt: sudo nvram StartupMute=%00 It’s easy to bring back the startup chime. STARTUP SOUND /RP2YIkAKOO- chaysegr February 21, 2020
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