My facetime is not working

Hi radblox,

Welcome to the Apple Community.

Re: I am not able to access my facetime in my mac book

You might want to check whether FaceTime is turned off or on:

On FaceTime app:

Turn on FaceTime: Choose FaceTime > Turn FaceTime On (from the drop=down menu)

Or

If you have changed your Apple ID or password lately you might need to update your sign-in information with any Apple services that you're using. The support page below can help in this situation:

(Eg: Scroll down to FaceTime)

What to do after you've changed your Apple ID or password – Apple Support

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Else, try the trouble-shooting tips in this article (link below) from Apple support:

If FaceTime isn't working on your Mac - Apple Support

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If needed:

FaceTime User Guide for Mac – Apple Support

All the best :-)