Issue Description
Mac performance drops significantly after a macOS update.
Common Causes
- Background indexing
- Incompatible apps
- Login items restored
Step-by-Step Solution
Step 1: Allow Indexing to Finish
- Leave Mac plugged in for several hours
- Avoid heavy use
Step 2: Check Activity Monitor
- Identify apps using high CPU or memory
Step 3: Update All Apps
- Install app updates for compatibility
Step 4: Disable Unnecessary Login Items
- System Settings → General → Login Items
Explore Further
- Test in Safe Mode
Prevention & Best Practices
Wait a few days after upgrade before troubleshooting.