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기술: MacBook Pro 15" Unibody Mid 2012 Disable 2nd GPU to prevent white screen or green stripes during boot process

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How to fix MacBook Pro white screen, green stripes, GPU issue.

  • 작성자: Cherry
  • 예상 시간 5 - 10 분
  • 난이도: 보통

단계 1 MacBook Pro 15" Unibody Mid 2012 Disable 2nd GPU to prevent white screen or green stripes during boot process  ¶ 

1) Boot Macbook with keys pressed Command + S

단계 1 MacBook Pro 15" Unibody Mid 2012 Disable 2nd GPU to prevent white screen or green stripes during boot process  ¶ 

  • 1) Boot Macbook with keys pressed Command + S

  • 2) Wait for active command line

  • 3) Enter these 3 commands:

  • nvram fa4ce28d-b62f-4c99-9cc3-6815686e30f9:gpu-power-prefs=%01%00%00%00

  • nvram boot-args="-v"

  • reboot

  • System should boot without issues.

  • Source: https://forums.macrumors.com/threads/for...