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

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New hard drive doesn't show up in disk utility?

A couple of days ago, my hard drive, stopped working (flashing question mark). I bought a new 1tb sshd from Seagate, and have tried to boot using this, and a memory stick i have with os x yosemite, this does not work. The new drive doesn't show up in disk utility once i boot on the memory stick. Anyone know wether it's the sata cable, the firmware, or anything else that causes the problem, and a solution?

Thank you :)

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This series had a lot of problems with the SATA cable, I would start there.

This is such a common problem IFIXIT has a special guide just for it: MacBook Pro 13" Unibody Mid 2012 Hard Drive Cable Replacement. Here is the cable you need: MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable.

After you order the part you can also check the systems firmware following this Apple T/N: About EFI and SMC firmware updates for Intel-based Mac computers. Yosemite & El Capitan both upgrade the firmware so it might be newer than what Apple has listed here.

Imagen MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable


MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable


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Petter Thorsen estará eternamente agradecido.
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