iCloud verification error on your Mac device will not allow you to login into iCloud account or use other services. You cannot upload anything like photos, videos, notes, documents and contacts until you verify your iCloud account on your computer. If you have not verified your iCloud account your Mac will fail to connect to iCloud and show an error. Actually, iCloud verification error comes when you recently created iCloud account and not verified your account on Mac.
Figuring out and fixing this iCloud verification error is not a difficult task you just need to follow the few easy steps given below and fix this error. Once you have verified and updated iCloud with latest version you again need to verify the account for using the services offered by Apple iCloud. So, let us find out how to fix iCloud verification failed error on any Mac device.
Steps to fix iCloud Verification Error on Mac:
Step1: If iCloud verification code not working while verifying the iCloud account, then you can change a new Apple ID and try to log in iCloud account.
Step2: Now try to take the backup manually or automatically, if the problem persists again either turn-off iCloud backup or move to next step.
Step3: Here, you can test this error if it comes on another computer. Just try to log in iCloud on other Apple Mac devices like MacBook Pro, iMac or Mac Mini etc.
Step4: You can also fix this error by restoring the iCloud backup after factory reset. If this error comes again just call the iCloud support for online help.
Step5: Outdated Mac OS also creates such errors, so make sure your Apple Mac device is updated with latest version, if you need any kind of help for Mac OS update just get the help of professionals and update with the right instructions.
Step6: Weak wireless network connection also creates such issues hence you can use a better Wi-Fi network before using the iCloud on your device.
This could be the easiest way to deal with iCloud verification failed Mac, if you any other problem with iCloud or not able to fix this error, you can call at iCloud support phone number 1888-488-2930 and get online assistance by Apple Mac experts to fix the issues with right approach. The iCloud problem will be resolved remotely and if there is any issue in near future, you can again call at Apple customer support fix such issues online without any delay.
Source: http://www.apsense.com/article/how-to-fix-apple-icloud-verification-error.html