Download and installation problems with macOS Catalina.Inability to log in to the computer after installing Catalina.Problems with peripherals.Problems running apps.Trouble using a keyboard or mouse.
These issues have a variety of causes and solutions. Try these fixes to get your computer up and running smoothly with macOS Catalina.
How to Fix macOS Catalina Issues During Download and Installation
If you’re trying to upgrade to macOS Catalina and can’t get the installer to download—or it won’t run if you can download it—here are some fixes to try.
How to Fix macOS Catalina Login Issues
Once you install macOS Catalina, you may encounter some issues logging in. Here are a few fixes to try if you can’t log in, or the computer logs you out of your account while you’re using it.
How to Fix macOS Catalina Issues With Peripherals
In some cases, you may have trouble using the mouse, keyboard, or features such as Bluetooth after you update macOS. You can fix many of these issues by removing preference files called plists.
/sbin/mount -uw /rm /var/db/.applesetupdone
Exit Terminal and log in to your account.
How to Fix macOS Catalina Issues With Applications
After you get Catalina up and running, you may have problems with the applications you installed. Some may not work at all, and others may not run as well as they did before. Here are some fixes you can try to get things working again.
com.apple.AppleMultitouchMouse.plist com.apple.driver.AppleBluetoothMultitouch.mouse.plist
com.apple.Bluetooth.plist
com.apple.finder.plist.
No fix is available for this problem unless the developers upgrade their apps to work in Catalina. If you lose the ability to use an app that you depend on, your only solutions are to find a suitable alternative app or downgrade to an earlier version of macOS.
com.developer_name.app_name.plist
