Issue Description
iMessage or FaceTime fails to activate, sign in, or sync conversations.
Common Causes
- Apple ID sync issues
- Network problems
- Account authentication errors
Step-by-Step Solution
Step 1: Check Apple ID Status
- System Settings → Apple ID
- Ensure signed in correctly
Step 2: Enable Services
- Messages → Settings → iMessage
- FaceTime → Settings
- Confirm services enabled
Step 3: Sign Out and Back In
- Sign out of iMessage and FaceTime
- Restart Mac
- Sign back in
Step 4: Check Date & Time
- System Settings → Date & Time
- Enable automatic time
Explore Further
- Reset network settings
Prevention & Best Practices
Avoid frequent Apple ID sign-ins across devices.