MacBook Pro fails to boot. Most Likely failed GPU

Question

MacBook Pro 17" Unibody

모델 A1297 Unibody: 2009 상반기, 2009 중반기, 2010 중반기, 2011 상반기 & 2011 하반기

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Chrisy @chrisydev

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게시일: 2021년 9월 29일

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MacBook Pro fails to boot. Most Likely failed GPU

Hi,

I have this Early 2011 unibody MacBook Pro that fails to boot into macOS High Sierra but can boot into a Recovery Drive. During this the Mac is extremely slow and took about 5 minutes just to open terminal after me selecting it in the utilities dropdown menu.

I am not too sure what to do right now, and it seems as if the Mac struggles a lot on High Sierra. I got it working once however it did not boot up ever again into the OS.

Trying to downgrade to another operating system right now is not possible as downloading an OS such as Yosemite or Mavericks does not work as my MacBook Pro running Catalina 10.15 cannot open the .pkg to create the .app so I can use createinstallmedia to make a bootable drive.

If there are any suggestions please do help as I am clueless and have poured many hours into this machine.

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What does the onboard battery checker tell you? When you press the button do you get the tiny LED's to light? Who many and are the steady or blinking?

Dan 의 2021년 9월 29일

Hi there

Thanks for your reply.

The battery checker flashes with 1 green light

Chrisy 의 2021년 9월 30일

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What does the onboard battery checker tell you? When you press the button do you get the tiny LED's to light? Who many and are the steady or blinking? — Dan
Hi there

Thanks for your reply.

The battery checker flashes with 1 green light — Chrisy