why can't I sign in to FaceTime

Hi tyese33,

Since you can't sign into FaceTime on your Mac, we recommend you try the steps in the link below.

If you can't sign in to your iMessage account or FaceTime on your Mac

To perform the steps in the article we suggested above, click and open the link, read the subheadings below, and try each step.

1) Check your internet connection

2) Check for a service outage

3) Check your Date & Time settings

4) Make sure that your software is up to date

5) Check your Apple ID

6) Reset NVRAM

7) Check for third-party software

We recommend the steps above because they will show you what to do if you need help signing in to your iMessage account or FaceTime on your Mac.

Please let us know the outcome after giving the above steps a try.

Thanks for using the Apple Support Communities.

Cheers!