Therefore, you need to free up some space on your Mac. When you see the ' macOS Catalina cannot be installed on Macintosh HD' message, this sometimes means that there is not enough disk space for the new macOS. MacOS Catalina takes up about 30 GB on your drive. Hold down Control + Shift + Option and press powerĪfter you’re done, repeat macOS Catalina installation from scratch. Hold down the keys until your Mac rebootsĢ. Immediately press Command + Option + P + R keysĤ. It isn’t something you should be doing regularly but in our case, it’s worth trying.ģ. It’s one of those last-ditch solutions that restore deep system settings including kernel information. You will see if it’s still active and the remaining time before completion. Tip: Press Command + L in the middle of the macOS installation. Hopefully, it reaches completion this time. After you entered the Safe mode, run the Catalina installer again. You will see the Apple logo on a grayish background with a progress bar. Now, hold down Shift while it’s booting up.Press and hold down the Power key to shut down your computer.

Though it’s perfectly normal for an installation to take some time (sometimes up to 10 hours), you can try a few workarounds. All you can see is a black screen and even a hard reboot doesn’t help it. You’ve unpacked the installer and now macOS Catalina install stuck on the initial reboot. Bluetooth not available on macOS Catalina.We’ve rummaged through the internet and collected all macOS Catalina issues known to date.

Looks like you’ve installed macOS Catalina knowing it’s not perfect and despite all warnings ended up here. Additionally, you can free up RAM to clean up some memory space.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. This app cleans temporary files, cache, and other junk. Try out CleanMyMac and give your MacBook a boost it needs.

If you experience some issues after updating to Catalina, don’t hurry to fix them all manually.

Catalina update issues