If you are a Mac user, you might see the error, “This Mac can’t connect to iCloud because of a problem”. Along with this error, you will be directed to open iCloud preferences. When you go to the iCloud preference panel, you might be able to log into the iCloud. However, the others will notice another error message, which indicates “An unknown error occurred”. In some cases, the iCloud preference panel will free and stop responding. That’s because your Mac goes into an infinite loop of login failures. In this kind of a situation, you will not be able to use any of the iCloud functionalities, which include Notes, Facetime, Messages, Calendars, Contacts and Mail.
Here are some of the steps that you can follow in order to resolve these issues.
Table of Contents
Check if iCloud is working
As the first step, you need to check if iCloud is working or not. You can visit https://www.apple.com/support/systemstatus/ and make sure that all the iCloud services offered by iCloud are running. If it is down, you need to try again after some time.
Quit all your iCloud apps and reboot
If iCloud is up, you can go to the second fix. In here, you will need to quit all the iCloud apps and then reboot your Mac. You need to make sure that you quit all the iCloud applications as stated above. If any of the applications are not responding, then you need to force quit them. If the reboot is not working, you can attempt a force reboot as well.
When your Mac boots up, you shouldn’t launch any apps. Instead, you need to go to Preference Menu, select iCloud and try to log into the iCloud account again.
Remove iCloud configuration files
If the reboot solution didn’t work, you can move to the next step, which is about removing the iCloud configuration files. Before you do this, it is important to take a backup of your Mac.
To begin, you need to access Finder and visit Go to Finder. Then you should enter this path:
Now you need to copy all the files in the location to a folder, which you can access easily. Now you need to remove all the files that are in this folder. Next, you should reboot the Mac and try to log into your iCloud account again.
Log out and Log in to iCloud
If any of the above-mentioned solutions are not working, you need to log out from the iCloud and log in back. To do that, you can access Preference Menu and select Sign Out from the iCloud account. Before you log in again, it is better to reboot your Mac. Then you will be able to fix the error messages that you are getting in your Mac.