Issue Description
macOS behaves erratically due to corrupted system files, failed updates, or incomplete installs.
Common Causes
- Interrupted macOS updates
- Disk errors
- Power loss during installation
Step-by-Step Solution
Step 1: Boot into macOS Recovery
- Apple Silicon: Hold Power → Options → Continue
- Intel: Hold Command + R
Step 2: Repair Disk First
- Open Disk Utility
- Select Macintosh HD
- Run First Aid
Step 3: Reinstall macOS
- From Recovery, select Reinstall macOS
- Do not erase the disk
- Follow on-screen steps
Step 4: Verify System Stability
- Restart and test apps, updates, and system settings
Explore Further
- Use clean install if corruption persists
Prevention & Best Practices
Never interrupt macOS installation processes.