Released June 2012, Model A1278. Intel processor with Turbo Boost, Up to 512 MB DDR5 Video RAM

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Replaced HardDrive cable, Yet still have problem

MacBook Pro MID 2012, Unibody

Problem: In general, I have a problem with internal hard drive reading!

The problem started suddenly 1 month ago, the Macbook didn't boot and it showed a Question mark like here OR this one

I tried changing my hard drive 3 times, and one of them worked and solved my problem for 2 weeks.

In addition, I can boot from all of my hard drives when I make them external and they work perfectly.

Now, my computer starts freezing after completely boot and I can not do anything with my lap top. I bought the hard cable with the bracket from iFixit from here. Unfortunately, the new cable that I bought from ifixit has THIS PROBLEM ON IT.

Block Image

By the way, I replaced the hard cable but I still have the problem. I tried different hard drives but there is no differences, the computer starts freezing after login.

I am really confused right now and I don't know what should I do anymore. Please somebody help me -____-

MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable Image
Answered! View the answer I have this problem too

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Chosen Solution

See if it will start from the Repair partition. Hold down the option key on start up and select it. Then run Disk Utilities. Finally, reinstall your system. It could also be infected.

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You mean, format the hard drive and reinstall the os ? But the os used to work properly and I tried 3 different hard drives with 3 different os.

I have a question for you, is the scratch on the cable a problem?


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Mohammadreza Mohades will be eternally grateful.
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