Issue Description
Time Machine backups take hours or appear stuck.
Common Causes
- First backup after upgrade
- Large file changes
- Slow backup disk
Step-by-Step Solution
Step 1: Leave Backup Running
- First backups can take several hours
- Avoid interrupting initial backup
Step 2: Check Backup Disk Speed
- Use USB 3.0 / Thunderbolt drives
- Avoid USB 2.0 drives
Step 3: Exclude Large Folders
- System Settings → General → Time Machine
- Add large folders to exclusions
Step 4: Restart Backup
- Cancel backup
- Restart Mac
- Start backup again
Explore Further
- Verify disk health
Prevention & Best Practices
Back up regularly to reduce backup size.