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Fixing Screen Flickering and Display Issues on Mac

Issue Description 

Mac display flickers, flashes, or shows visual artifacts. 

Common Causes 

  • Graphics driver issues 
  • Display refresh rate mismatch 
  • External display conflicts 

Step-by-Step Solution 

Step 1: Adjust Refresh Rate 

  • System Settings → Displays 
  • Set Refresh Rate → Default 

 

Step 2: Disable Automatic Graphics Switching 

  • Battery → Options 
  • Disable Automatic graphics switching (if available) 

 

Step 3: Test Without External Displays 

  • Disconnect all monitors 
  • Restart Mac 

 

Step 4: Update macOS 

  • Install latest updates for GPU fixes 

Explore Further 

  • Run Apple Diagnostics 

Prevention & Best Practices 

Avoid unsupported display adapters.